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Por qué ya no alcanza con descargar apps desde las tiendas oficiales — Transcript

by ESET Latinoamérica · 4,883 words · 785 segments · language es · Watch on YouTube

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  1. 0:00On July 14, 2026, the FBI arrested
  2. 0:02Siire don Tevius Samarion Wilkins,
  3. 0:05accused of distributing malware in
  4. 0:07Steam video games and infecting nearly
  5. 0:108,000 devices. During the nearly 2
  6. 0:13years this operation lasted, from May
  7. 0:152024 to February 2026, the
  8. 0:17cybercriminal stole $ 220,000 in crypto
  9. 0:19assets, according to the criminal
  10. 0:21complaint. The big question, then, is
  11. 0:24how did this happen if Steam has a
  12. 0:26review process and various controls?
  13. 0:28The truth is that neither Steam nor any
  14. 0:31other official download platform is
  15. 0:33infallible, and criminals know it. That
  16. 0:35is why they try to infiltrate those
  17. 0:37ecosystems, because they know they have
  18. 0:39something key and very valuable there:
  19. 0:40the trust of users.
  20. 0:42Connecting, connecting.
  21. 0:45Conexión Segura, the ESET Latin
  22. 0:47America podcast, your direct link to
  23. 0:49the world of cybersecurity.
  24. 0:53Hello everyone, welcome to a new
  25. 0:55episode of Conexión Segura. My name is
  26. 0:58Cristian Alibrando, and well, we are
  27. 0:59here as always; if you clicked play, we
  28. 1:01are here to talk about a topic linked
  29. 1:02to cybersecurity, but today we are
  30. 1:04going to talk about something more
  31. 1:05regarding trust. Specifically, about
  32. 1:09the trust that we as users often place
  33. 1:11in official download platforms and that
  34. 1:14perhaps can put us in a bind. Yes, in
  35. 1:18fact, a recent arrest made by the FBI
  36. 1:20reveals how a cybercriminal managed to
  37. 1:23sneak into an official platform like
  38. 1:25Steam. an infected video game and thus
  39. 1:29infect more than 8,000 computers and
  40. 1:31obtain various financial gains. Do I
  41. 1:34mean by this that you should no longer
  42. 1:36download applications from these
  43. 1:38official platforms? No, not at all. The
  44. 1:42advice will always be to use those
  45. 1:44repositories, but what we are going to
  46. 1:46analyze is why some of these controls
  47. 1:48are not infallible and why we should
  48. 1:50not trust 100%when we are downloading
  49. 1:52something, even if it is from an
  50. 1:54official platform. But to analyze this,
  51. 1:58I am not alone; I don't know, I don't
  52. 2:00want to say you are a guest because you
  53. 2:01are already part of this house. Mario
  54. 2:03Mikuchi, security researcher for Latin
  55. 2:05America. Well, Mario, a very important
  56. 2:08and everyday topic. We are going to
  57. 2:10analyze today
  58. 2:11an important topic, an everyday topic
  59. 2:14that involves all of us users who use
  60. 2:18mobile devices, basically, right? Uh,
  61. 2:23and that we use uh platforms in general
  62. 2:26, I mean, all users, basically.
  63. 2:28Totally. It is a general topic that
  64. 2:30impacts us daily. So well, specifically
  65. 2:33today what we are going to analyze is
  66. 2:35how cybercriminals manage to perhaps
  67. 2:37sneak a malicious application into an
  68. 2:39official repository. Why can't an
  69. 2:43official store guarantee that what is
  70. 2:45there is 100%reliable? And obviously,
  71. 2:48as users, what can we do in this
  72. 2:50scenario? So, well, without further ado
  73. 2:53, let's start the episode.
  74. 2:55For more information about today's
  75. 2:57episode, visit our website
  76. 2:58eset.com/atam. You can also visit our
  77. 3:02cybersecurity blog.
  78. 3:03welivesecurity.com/en.
  79. 3:09Well, Mario, and I apologize to the
  80. 3:11whole audience, sorry if I'm being
  81. 3:13repetitive, but in this first section,
  82. 3:15I want to make it clear that the advice
  83. 3:17was, is, and will always be to download
  84. 3:19any type of application and software
  85. 3:21from official repositories. Yes, I want
  86. 3:24to make this very clear. Now, what we
  87. 3:26must not confuse is that it is the
  88. 3:29safest option; we must not confuse it
  89. 3:31with it being infallible. Right,
  90. 3:35because although any type of official
  91. 3:37repository like Google Play, Apple
  92. 3:40Store, or even Steam, they have their
  93. 3:42controls, those controls are not even
  94. 3:45close to a real security audit. So, it
  95. 3:49will never be infallible. What I want
  96. 3:52to ask you, Mario, taking advantage of
  97. 3:54your expertise, is where does the flaw
  98. 3:56in this review process lie? Or what is
  99. 3:58it that the initial review process that
  100. 3:59these platforms have can detect and
  101. 4:01what things can they not? Okay. Well,
  102. 4:05in principle, there is no single way in
  103. 4:08which these review processes are
  104. 4:10carried out. Let's say it depends on
  105. 4:14each of the developers who upload the
  106. 4:17applications. It is not the same as
  107. 4:20someone who has their first application
  108. 4:23to upload, whether we are talking about
  109. 4:26the App Store, Play Store, or
  110. 4:28marketplaces in general, because that
  111. 4:31also includes Steam and so on. In this
  112. 4:35case, the processes are slow because
  113. 4:38the platforms verify the reputation of
  114. 4:40this new developer. However, the
  115. 4:44developer goes through a lot of
  116. 4:46bureaucracy, let's say, fiscal, etc.,
  117. 4:49because they also validate their
  118. 4:52country of residence, if they invoice
  119. 4:55or not. Well, this is like a particular
  120. 4:59case that we are talking about, new
  121. 5:01developers, so to speak. In the past,
  122. 5:04you only needed to have an account, for
  123. 5:06example, on the App Store or Play Store
  124. 5:08when talking about mobile applications,
  125. 5:09and you could upload the app. Well,
  126. 5:11that changed because today if one wants
  127. 5:13to be an official developer, you have
  128. 5:15to get involved in a whole program and
  129. 5:17so on. Now, assuming that the developer
  130. 5:21already has a reputation and a track
  131. 5:24record in the world of application
  132. 5:26development uploading to the stores,
  133. 5:29well, the processes are more lax, so
  134. 5:31they focus more on the reviews of the
  135. 5:34applications themselves.
  136. 5:38And, well, they are done a bit more
  137. 5:40quickly. Why? Because the developer
  138. 5:43already has a reputation that validates
  139. 5:45them, right? Which doesn't mean that,
  140. 5:49well, someone might perhaps do their
  141. 5:52homework for a while, only to upload
  142. 5:55malicious code or applications with
  143. 5:58suspicious behaviors once they've
  144. 6:01reached that reputation, we could say,
  145. 6:04right? So, given this situation, what
  146. 6:08the platforms do is validate, well,
  147. 6:11whether the uploaded applications have
  148. 6:15malicious code, if they respect the
  149. 6:17terms of the privacy policy; the
  150. 6:20various marketplaces also validate the
  151. 6:23type of content that these applications
  152. 6:27will process. When we talk about the
  153. 6:30type of content, we are talking about,
  154. 6:33well, age rating, meaning that, for
  155. 6:35example, if there is a device that is
  156. 6:38configured to be used by minors,
  157. 6:41well, on that device, an application
  158. 6:44that doesn't, let's say, respect the
  159. 6:46content rules, won't be able to be
  160. 6:49installed, right? In other words, there
  161. 6:54are several checks that are performed
  162. 6:59regarding, let's say, the generation of
  163. 7:03new applications, right?
  164. 7:05Very well. In fact, why do we say that
  165. 7:07this initial control you just detailed,
  166. 7:09Mario, is insufficient? Apple, last
  167. 7:12year, in a report it released regarding
  168. 7:15what was 2025, acknowledged having
  169. 7:17removed almost 60,000 applications that
  170. 7:19, at first, seemed legitimate, that
  171. 7:22initially had passed all the checks,
  172. 7:24and that they, after subsequent reviews
  173. 7:26, realized were software that actually
  174. 7:29intended to commit financial fraud. So,
  175. 7:32does this mean that Apple and Google
  176. 7:34Play are insecure, right? But the
  177. 7:37review process is not perfect, it's not
  178. 7:39infallible, because an application can
  179. 7:41have a certain behavior that seems
  180. 7:43legitimate and real at one moment, but
  181. 7:45then change it later. And that's where
  182. 7:48I want to introduce, Mario, what we are
  183. 7:50going to see in the next section: the
  184. 7:52term "bait and switch," which I think
  185. 7:54is a bit of what will explain to us how
  186. 7:56cybercriminals manage to sneak an
  187. 7:57application into official repositories.
  188. 8:03Well, the term "bait and switch" is
  189. 8:05currently used to describe that
  190. 8:07technique we were just talking about,
  191. 8:09where an application presents itself as
  192. 8:11legitimate and, let's say, authentic
  193. 8:13during the platform's validation
  194. 8:15process, but then changes its behavior.
  195. 8:19In other words, to put it plainly, the
  196. 8:21"bait" is the app that presents itself
  197. 8:23as good, as something that will deliver
  198. 8:25what it promises, and the "switch" is
  199. 8:28when the change happens. Mario, what is
  200. 8:30that change about? How can malicious
  201. 8:33developers make that change? How do
  202. 8:35they manage to do it on a more
  203. 8:37technical level? Let's say,
  204. 8:39well, it's simply about incorporating
  205. 8:43these new malicious functionalities
  206. 8:46through the updates that are made
  207. 8:51to the applications, right? As you
  208. 8:55correctly say, the cybercriminal's
  209. 8:57first step is to earn the store's trust
  210. 9:00, for the store to consider them a,
  211. 9:02well, a legitimate developer free of
  212. 9:08fraud, basically, right? Once this is
  213. 9:12achieved and the cybercriminal can
  214. 9:15finally upload the app, well, it is
  215. 9:18well known that apps are constantly
  216. 9:21regenerating because they incorporate
  217. 9:23new features, fixing bugs; that is,
  218. 9:26they are also, uh, fixing security
  219. 9:29issues, let's say, in the traditional
  220. 9:32world, right? And this is where the
  221. 9:36cybercriminal takes advantage of these
  222. 9:39modifications to, well, change the
  223. 9:42rules of the game and add, well,
  224. 9:44perhaps, let's say, fraudulent
  225. 9:47behaviors, right? Which can, that can
  226. 9:51obviously range from, uh, establishing
  227. 9:54communication with external servers
  228. 9:57that download files to the device, or,
  229. 10:00uh, espionage. That is to say, there
  230. 10:06are multiple options that can occur in
  231. 10:09this situation of, well, installing an
  232. 10:12update. And what is important to
  233. 10:15highlight is the difference in the
  234. 10:17review processes. We were talking
  235. 10:20before about how the different, uh, uh,
  236. 10:25platforms carry out reviews that are,
  237. 10:28of course, very far from performing a
  238. 10:30penetration test audit, for example;
  239. 10:32they are not, it is a review
  240. 10:34That is done, in general terms, we
  241. 10:37could say, uh, that verifies the
  242. 10:39essentials, and when updates are made,
  243. 10:42a bit of the same thing happens, only
  244. 10:45the review times change. And well, uh,
  245. 10:50the problem is, as you rightly said,
  246. 10:53that the cybercriminals for those, uh,
  247. 10:56platforms, well, uh, are legitimate,
  248. 10:58they earned their trust, and so on,
  249. 11:01right?
  250. 11:02Anyway, well, going back to, let's say,
  251. 11:05the example of Apple, which we said
  252. 11:07acknowledged having removed 60,000
  253. 11:09fraudulent apps that initially did pass
  254. 11:11that first check. Well, what Apple also
  255. 11:15does is continue verifying the
  256. 11:17different apps, and if there is a new
  257. 11:19update, what Apple does is compare
  258. 11:21version 1.0 with 1.1. I mean, platforms
  259. 11:24are already incorporating this, I don't
  260. 11:26know if it's a second stage of review,
  261. 11:28but they are expanding the review
  262. 11:29process a bit. And Google perhaps
  263. 11:31doesn't talk about concrete data like
  264. 11:34Apple does, but Google does. Through
  265. 11:36Google Play Protect, what it ensures
  266. 11:38are instances of subsequent reviews
  267. 11:40even after an app has been approved,
  268. 11:42and clearly, if they are conducting
  269. 11:44subsequent reviews, it's because the
  270. 11:46app can change. So today, is it a
  271. 11:49challenge that these types of platforms
  272. 11:51face, the fact of perhaps adding more
  273. 11:53controls, reviews, I mean, is it really
  274. 11:55a challenge for these platforms?
  275. 11:59Without a doubt it is, and the
  276. 12:01differences are perhaps biased by the
  277. 12:04type of operating system on which the
  278. 12:07applications are, let's say, going to
  279. 12:09be installed. iOS is a very different
  280. 12:14operating system to, let's say, Android
  281. 12:17basically, right? Already, in and of
  282. 12:23itself, well, iOS has a very different
  283. 12:25security structure; so, that is why
  284. 12:28there is a difference in the protocols
  285. 12:30for carrying out the verifications. But
  286. 12:34it is a fact, the need to verify the
  287. 12:37differences between versions, eh, and
  288. 12:39well, and to increasingly apply more
  289. 12:42layers of security, even at a physical
  290. 12:45level, because every time new, um, new
  291. 12:50devices come out. Basically, in the
  292. 12:52case of iOS, we understand that, well,
  293. 12:54it is Apple who develops these devices.
  294. 12:58They are constantly adding security
  295. 13:00layers at the hardware level, that is,
  296. 13:02when applications are signed, well,
  297. 13:04they are verified at the hardware level
  298. 13:07to see if the certificates are
  299. 13:09compatible, if not, if they are
  300. 13:11legitimate. And in the case of Android,
  301. 13:15where obviously a range of device
  302. 13:18brands will come into play, eh, it is
  303. 13:21also seen how these security layers are
  304. 13:24being applied more and more. Eh,
  305. 13:28although we have to assume that
  306. 13:30security is always relativized by this
  307. 13:32factor that we mentioned before, which
  308. 13:35is trust, right?
  309. 13:40Everything we have been recounting in
  310. 13:42the previous sections, eh, we can
  311. 13:44perhaps anchor and develop through a
  312. 13:46real and recent case that happened very
  313. 13:48shortly ago. I'm going to read a bit
  314. 13:50here because there are difficult names.
  315. 13:54Well, in July of this year, Sairebius
  316. 13:56Samario Wilkins was arrested by the FBI
  317. 13:59because he was accused precisely of
  318. 14:01distributing an info stealer through
  319. 14:03video games that he managed to get
  320. 14:05published on Steam. Yes, this campaign
  321. 14:09itself lasted almost 2 years, from May
  322. 14:112024 to February 2026. In the process,
  323. 14:15he infected more than 8,000 computers
  324. 14:18and stole $ 220,000 in cryptocurrencies
  325. 14:20. Yes, I also want to read the short
  326. 14:23list here to be clear. Uh, the FBI saw
  327. 14:27that these video games are being
  328. 14:29distributed on platforms like Telegram
  329. 14:31and Discord, and we are talking about
  330. 14:34games like Blockblaster, Chemia, Dash
  331. 14:36FPS, Lampi, Lunara, and a few others. I
  332. 14:41mean, and although some details about
  333. 14:44this specific campaign are unknown,
  334. 14:46similar ones allow us to understand
  335. 14:49that the malicious actor managed to
  336. 14:51pass the initial checks so the games
  337. 14:53would be published on Steam. They
  338. 14:58published them, let's say, they spread
  339. 15:00them through these channels like
  340. 15:01Discord, Telegram, and others. And once
  341. 15:04the person, the victim, downloaded the
  342. 15:06game, they were immediately executing
  343. 15:09the malware. And on top of that, as an
  344. 15:12extra detail, which is also in the
  345. 15:15FBI's criminal complaint, the
  346. 15:17cybercriminal used chatbots to detect
  347. 15:20some victims with lucrative
  348. 15:21cryptocurrency wallets. So I say: it is
  349. 15:25a quite interesting case. I hope I
  350. 15:28pronounced the names correctly, but
  351. 15:30well, what we want to convey with this
  352. 15:32specific and current case is that the
  353. 15:34validation processes of platforms like
  354. 15:36Steam, which is one of the biggest in
  355. 15:38video games, are not infallible, and
  356. 15:40today cybercriminals don't really try
  357. 15:42to convince you, as a victim, to
  358. 15:44download an .exe, but rather to
  359. 15:46download an application. It is much
  360. 15:49simpler. Today, today cybercriminals
  361. 15:51are abusing this trust. But Mario, to
  362. 15:53go a little further, we are always
  363. 15:55talking about applications, but it
  364. 15:57seems to me, or rather, I want to ask
  365. 15:59you, the scenario is a bit broader
  366. 16:01because, can we include extensions,
  367. 16:03plugins, mods, and cheats in this? I
  368. 16:05mean, can all these types of software
  369. 16:08also be used to distribute malware,
  370. 16:10right?
  371. 16:11Exactly, exactly. As you rightly say,
  372. 16:15we don't have to limit the context to
  373. 16:18the mobile universe; we were mentioning
  374. 16:21the marketplaces of, well, the App
  375. 16:24Store or Play Store, which are the
  376. 16:27popular repositories where one is
  377. 16:29downloading applications all the time,
  378. 16:32right? Yes.
  379. 16:35But as you say, there is the gamer
  380. 16:38universe, which is currently
  381. 16:40popularized by the Steam platform, and
  382. 16:43in turn, the universe of plugins or
  383. 16:46add-ons that we use in browsers as well
  384. 16:49. Yes. We recently published a post on
  385. 16:52WeLiveSecurity, and I personally had to
  386. 16:55analyze a Chrome extension that
  387. 16:57promised to be a security tool, and
  388. 17:00instead, it was an info-stealer, that
  389. 17:03is, malicious software that steals
  390. 17:05credentials, right?
  391. 17:07Exactly. This leads us to, uh,
  392. 17:11double-check our attention when
  393. 17:14downloading software from the various
  394. 17:17platforms, even if they are official.
  395. 17:22Yes. Uh, because, well, we can never
  396. 17:25rule out everything we've been
  397. 17:27mentioning, right? Now that we
  398. 17:31understand that criminals can manage to
  399. 17:34gain trust and reputation in these
  400. 17:36applications and upload, well,
  401. 17:39different versions, let's say, of code
  402. 17:41that may have fraudulent activities,
  403. 17:44that is where, well, we have to pay
  404. 17:46more attention and not limit ourselves
  405. 17:49to one context, as I said before, which
  406. 17:52could be the mobile world, but whenever
  407. 17:55we have to install applications,
  408. 17:58double-check, well, the verification of
  409. 18:01the sources and so on, right?
  410. 18:04Well, without meaning to, you're almost
  411. 18:05setting me up for what we're going to
  412. 18:07talk about in the next section.
  413. 18:08Great. Well, as we were just saying,
  414. 18:13there is a big question that might
  415. 18:15serve to open this section, this new
  416. 18:16section, which is: how can we protect
  417. 18:18ourselves? We are presenting a scenario
  418. 18:22that is quite, let's say, worrying and
  419. 18:23real. So, well, perhaps a very good
  420. 18:27answer at first is a security solution.
  421. 18:31And I justify it, as they told us when
  422. 18:33we were studying, and I justify it
  423. 18:35because if official stores today have
  424. 18:37an initial security check, it is what
  425. 18:39we talked about: they check the
  426. 18:40application in question at that
  427. 18:42specific moment and then, what happens
  428. 18:44after, is kind of lost. Well, what a
  429. 18:47security solution allows today, thanks
  430. 18:49to advances in technology and the
  431. 18:51layers that the security solution
  432. 18:52involves, is to say, well, today this
  433. 18:54app is doing this, but I am going to
  434. 18:56monitor what it will do tomorrow, what
  435. 18:58it will do in 6 months. So, I want to
  436. 19:01bring it down to earth so it's
  437. 19:02understood. Although the security
  438. 19:05solution says: "Great, I know this app,
  439. 19:08it was approved, it is acting well," if
  440. 19:10in 6 months that app starts asking you
  441. 19:13for strange permissions, doing some
  442. 19:15behavior out of the ordinary, to this
  443. 19:17that you were saying, requesting
  444. 19:19connections with external servers and
  445. 19:22so on, well, it is the security
  446. 19:24solution that will sound the alarm for
  447. 19:26you. It is like a very good defense for
  448. 19:29this term we were just mentioning, the
  449. 19:31bait-and-switch. So, specifically,
  450. 19:34Mario, since with your expertise and
  451. 19:36technical background you'll explain it
  452. 19:38much better than I can, what exactly
  453. 19:40can a security solution detect that
  454. 19:43will help us if, at first, we thought
  455. 19:45we were installing a real and
  456. 19:46legitimate application, but then we say
  457. 19:49, "Hey, wait, it's doing something
  458. 19:51different now." It either wants to
  459. 19:54steal your cryptocurrency or it wants
  460. 19:56to install malware. I mean, what are we
  461. 19:58going to say? What specific warning
  462. 20:00signs can a security solution detect?
  463. 20:03Well, in principle, it's the behavior,
  464. 20:06right, of the applications.
  465. 20:10And often this behavior is biased by a,
  466. 20:18let's say, a, yes, a situation of
  467. 20:20privilege abuse in the system, as you
  468. 20:23rightly say, right? It asks you for, I
  469. 20:26don't know, confidential information or
  470. 20:29credentials all the time, et cetera.
  471. 20:32What is important to understand is that
  472. 20:35there isn't just one single
  473. 20:37cybersecurity solution that we can use
  474. 20:40on our device.
  475. 20:42There are basic solutions, that is,
  476. 20:45they detect malware; in the presence of
  477. 20:49malicious code, the solution will
  478. 20:52directly, well, quarantine that
  479. 20:55application or delete it outright. This
  480. 20:59depends on how we configure it, right?
  481. 21:02But then we have applications that come
  482. 21:05with add-ons, right? Where we can
  483. 21:08detect, for example, phishing, we can
  484. 21:10detect, I don't know, situations
  485. 21:12related to browsing malicious sites and
  486. 21:15that type of situation. Yes, it's
  487. 21:19important to highlight that in security
  488. 21:21, we have to bet on a layered model.
  489. 21:24Yes. To say that
  490. 21:26the security solution isn't going to
  491. 21:29solve all our problems; basically, we
  492. 21:32have to think of it as one more layer
  493. 21:35of security. We talked about how app
  494. 21:39stores have their own security systems.
  495. 21:42Well, that is the first line of defense
  496. 21:44when downloading an application. Well,
  497. 21:48then the other is our own behavior as
  498. 21:53users. Then we have the solutions we
  499. 21:58are highlighting, right? Meaning that
  500. 22:01if one of the layers fails, we have
  501. 22:03contingency with another that can, well
  502. 22:06, reverse a cybersecurity problem. But
  503. 22:10focusing on cybersecurity applications,
  504. 22:13it is important to consider them
  505. 22:15because they won't just protect us when
  506. 22:18downloading potentially malicious
  507. 22:20software, but it's about the entire
  508. 22:23context of the device. Uh, I don't know
  509. 22:27, if we are trying to connect to a
  510. 22:29public network, well, the security
  511. 22:31solution will limit access because it
  512. 22:33understands that you are connecting to
  513. 22:36Wi-Fi at an airport or a café. Right.
  514. 22:40If you are looking at emails, well, it
  515. 22:43will automatically detect if, well,
  516. 22:46it's talking about potential phishing
  517. 22:50or a fraudulent site. If you are
  518. 22:54downloading attachments, for example,
  519. 22:57from messaging systems, whether it’s,
  520. 22:59I don't know, WhatsApp or even social
  521. 23:01media messaging systems, well, that
  522. 23:04attachment will also be intercepted and
  523. 23:06analyzed by the solution. Meaning the
  524. 23:09solution is holistic, that is, it is
  525. 23:11integral across all layers of the
  526. 23:13system, right?
  527. 23:15Well, Mario, I’ll take that last
  528. 23:16concept of layers because we’re going
  529. 23:17to talk about that in the next section,
  530. 23:19but I think that’s where you’re
  531. 23:20headed. I mean, a security solution
  532. 23:23might not guarantee 100%of everything,
  533. 23:25but it will undoubtedly add certain
  534. 23:27necessary layers to build upon other
  535. 23:29actions we’ll review in the coming
  536. 23:31section, which are just as important as
  537. 23:33the ones we just went over. Well, as is
  538. 23:39usual in our episodes, the idea is
  539. 23:41always that those who listen to us take
  540. 23:44away, I don't know if a toolkit, but at
  541. 23:46least some useful tips for daily life,
  542. 23:49so their digital life is increasingly
  543. 23:51secure. And well, obviously this
  544. 23:53won’t be the exception. And well, I'm
  545. 23:56going to be repetitive today, but the
  546. 23:58first piece of advice we give is: keep
  547. 24:00downloading any type of application
  548. 24:03from official repositories. That is key
  549. 24:06. Uh, obviously I think the most
  550. 24:09important invitation is to distinguish
  551. 24:11between it being the safest option and
  552. 24:13it being infallible. They are two
  553. 24:16different concepts, but from our side,
  554. 24:18the advice will always be to download
  555. 24:20from official sources, read reviews,
  556. 24:22comments from other users, because I
  557. 24:24think that is perhaps the best
  558. 24:26yardstick to understand if we are
  559. 24:28looking at a truly legitimate app or
  560. 24:30not. And obviously, always avoid
  561. 24:34downloading pirated software, cheats,
  562. 24:37and the like from non-official
  563. 24:39repositories. Mario, while I have you,
  564. 24:41I want to take a walk down memory lane
  565. 24:43or take a trip to the past. The last
  566. 24:46time we chatted, we talked about
  567. 24:48hacking emotions, about, well, issues
  568. 24:49clearly linked to the emotional, and I
  569. 24:51think this, this episode also goes
  570. 24:53hand-in-hand because trust is at stake,
  571. 24:55which is also something that you have,
  572. 24:57that you earn, or that you don't. I
  573. 25:00mean, and it's, it's very interesting,
  574. 25:02and I say: the invitation is perhaps
  575. 25:04for us as users to change our mindset
  576. 25:06and say: "Yes, let's see, it's a good
  577. 25:08decision to keep downloading from
  578. 25:10official apps, uh, platforms, sorry,
  579. 25:12but I don't have to deposit all my
  580. 25:15security there, right?". And I think
  581. 25:17that's an invitation for this episode.
  582. 25:19It could go that way, right? It's more,
  583. 25:20it's more emotional the
  584. 25:22exactly, it's, uh, it's exactly as you
  585. 25:25say. In fact, to be even more general,
  586. 25:31any cyberattack in its life cycle has a
  587. 25:35trust violation factor. I mean, we can
  588. 25:40even see, uh, I don't know, 70%of
  589. 25:43attacks have a social engineering
  590. 25:46technique involved in their life cycle
  591. 25:49that violates a user's trust. Yes. And
  592. 25:53that we have to start reviewing most of
  593. 25:55the techniques that are used. Well, uh,
  594. 26:00there's always, let's say, the value of
  595. 26:03, of, of trust, of the violation of
  596. 26:05trust as a radical element for any
  597. 26:08cyberattack to be successful, right? So
  598. 26:13, well, regarding what you're proposing
  599. 26:16to me, which makes perfect sense, uh,
  600. 26:18when we go to download an application,
  601. 26:21as you rightly say, we have to do it
  602. 26:23from an official repository. But if,
  603. 26:27after finishing the download, we open
  604. 26:30the application and we're talking about
  605. 26:33a calculator that suddenly starts
  606. 26:36asking for access to the camera, the
  607. 26:38Bluetooth, and a bunch of permissions,
  608. 26:41well, uh, something doesn't add up.
  609. 26:44Be, be alarmed.
  610. 26:46Right, there's something that doesn't
  611. 26:47make much sense, does it? Why would a
  612. 26:49simple calculator ask me for access to
  613. 26:52my contact list, for example?
  614. 26:54Totally.
  615. 26:56And so on with the type of, I mean, or
  616. 26:58the different types of applications
  617. 27:00that we are going to download, right?
  618. 27:03It's about having, uh, common criteria,
  619. 27:06yes? uh, common sense when starting to
  620. 27:11interact with applications that, well,
  621. 27:13often require these types of
  622. 27:15permissions, which in many cases are
  623. 27:18justified, but in many others are not.
  624. 27:22And that is where we have to pay
  625. 27:23attention. The same as we said before,
  626. 27:26it could be that we download a perfect
  627. 27:29application and then, I don't know,
  628. 27:31when we go to perform an update, that
  629. 27:33update suddenly comes with strange
  630. 27:35little things that ask for new
  631. 27:37permissions, and why does this
  632. 27:39application now ask for permissions
  633. 27:41that it didn't ask for before? Yes. So,
  634. 27:45having that common sense, right?
  635. 27:48Totally. Well, looking at the path
  636. 27:50we've been taking, I was thinking, we
  637. 27:52shouldn't just rely on saying, "Well, I
  638. 27:54downloaded it from an official
  639. 27:55repository," as that might be just the
  640. 27:57first step of control. Saying, okay, I
  641. 28:00got the first step right, which was
  642. 28:02downloading it from an official
  643. 28:03platform. Now, the second is to always
  644. 28:06keep an eye on what we said about how
  645. 28:08the application behaves. Whether what
  646. 28:11it's asking for is logical, if what
  647. 28:13it's proposing makes sense with what it
  648. 28:15does. Mario, you just gave me some tips
  649. 28:19to keep in mind, but I mean, what other
  650. 28:21things or what other strange behaviors
  651. 28:23should catch our attention as users? I
  652. 28:26think the example you gave about the
  653. 28:28calculator is great, like, why is it
  654. 28:30asking for this? Beyond that, is there
  655. 28:32any other alarm or signal that allows
  656. 28:34us to identify and say, hey, this isn't
  657. 28:36right, this isn't correct? Well, in
  658. 28:40principle, it's the behavior, right?
  659. 28:42What we mentioned before.
  660. 28:45Then it's important to understand that
  661. 28:47applications are dynamic, they are
  662. 28:49organic, meaning an application is
  663. 28:51changing all the time. Yes. We might
  664. 28:54tend to think that WhatsApp is just
  665. 28:57WhatsApp, but WhatsApp is actually
  666. 29:00changing all the time because with
  667. 29:03every new update, we basically have a
  668. 29:06new application.
  669. 29:07Totally.
  670. 29:08Right? That adds features or removes
  671. 29:11features. That is, this warns us that
  672. 29:16with every new update, every new
  673. 29:20download, well, we are facing a
  674. 29:24scenario that merits some, well,
  675. 29:29consideration. In principle, what we
  676. 29:32can detect most is, as we said before,
  677. 29:34behavior. Yes. Well, precisely the
  678. 29:38permissions it asks for. Then we can
  679. 29:42look at other subtleties that have to
  680. 29:44do with saying, "Ah, after I installed
  681. 29:46this app, the device runs slower."
  682. 29:49No, that's more useful.
  683. 29:51Right. But well, it's still a situation
  684. 29:54we have to notice, or after installing
  685. 29:57this, my battery doesn't last at all.
  686. 30:00Or the phone consumes more data, for
  687. 30:03example,
  688. 30:03or it uses more data, right? So, those
  689. 30:05are things that should make us
  690. 30:08suspicious. Of course, the context
  691. 30:11changes if we already have a security
  692. 30:13solution on the device or not.
  693. 30:17Uh, because the security solution can
  694. 30:19start, it can warn us, right? Well, if
  695. 30:23this is, uh, strange, or if it’s
  696. 30:26malicious code or a fraudulent
  697. 30:29application, the solution can take
  698. 30:32action directly. But today we still see
  699. 30:36that a number of users don’t have
  700. 30:38security solutions on their devices. So
  701. 30:42, in a context like this, you have no
  702. 30:45choice but to say, "Okay, let's analyze
  703. 30:48using the metrics that devices give us
  704. 30:51today, which application is consuming
  705. 30:54the most, I mean, consuming space,
  706. 30:57consuming data." We can check the
  707. 31:02activity of each one, but that is
  708. 31:04undoubtedly a tedious task, especially
  709. 31:07for people who aren't technical and
  710. 31:09aren't interested, which they have
  711. 31:11every right to be.
  712. 31:14Where I think we conclude on the
  713. 31:16importance of having security solutions
  714. 31:19, right?
  715. 31:20Very well. So, as a summary, I’d like
  716. 31:23to say that to be, I don't know if
  717. 31:25prepared, but at least much safer in
  718. 31:28this scenario, first, always download
  719. 31:30from official repositories. Second,
  720. 31:34don't trust the initial installation
  721. 31:36100%, but always keep an eye on what
  722. 31:39the app is doing, and obviously, in
  723. 31:41what you said, keep our device
  724. 31:43protected, whether through a security
  725. 31:45solution or by keeping it updated. I
  726. 31:48think with that combo, returning to the
  727. 31:50idea of multiple layers, we can
  728. 31:52significantly reduce the risk of being
  729. 31:54surprised by a malicious one on our
  730. 31:56phone.
  731. 31:57Absolutely. Well, to close this episode
  732. 32:02, we want to reinforce the golden rule
  733. 32:05again, which is that any type of
  734. 32:07application and software you download
  735. 32:09must be downloaded from official
  736. 32:11repositories. Now, the invitation is
  737. 32:14not to confuse the fact that an
  738. 32:17official download platform is the
  739. 32:19safest with it being infallible. So
  740. 32:23also, as users, we have to do our part
  741. 32:26with follow-up checks, having a
  742. 32:28security solution, and being attentive
  743. 32:31to the updates the device requests;
  744. 32:34because, as we said, today,
  745. 32:36cybercriminals no longer want to
  746. 32:38convince you to install malware, but an
  747. 32:41app. So, we have to be alert because
  748. 32:45they continue to exploit trust today
  749. 32:47through these new methodologies, and I
  750. 32:49always say, cybercrime is always
  751. 32:51looking for new ways, and we have to
  752. 32:53update ourselves too; we can't stick
  753. 32:55with how things were a decade ago. So,
  754. 32:58well, that is the invitation. Mario, as
  755. 33:00always, thank you. Like I always say,
  756. 33:03you're part of the family, but still,
  757. 33:05we appreciate the time and the
  758. 33:06knowledge you shared with us today.
  759. 33:08It’s always a pleasure for me to
  760. 33:10share this space, so thank you very
  761. 33:12much.
  762. 33:13Very well. And for those listening, we
  763. 33:15invite those of you in Argentina, Chile
  764. 33:17, Colombia, Mexico, and Peru to take
  765. 33:19advantage of the discount code
  766. 33:21CONEXION20. Specifically, you will get
  767. 33:24a 20%discount on ESET Home Security
  768. 33:26Essential in our online store. So,
  769. 33:28since you’ve listened this far, just
  770. 33:30pause, click, and go visit the store.
  771. 33:33And, well, obviously, we invite you to
  772. 33:34browse and visit our social media
  773. 33:36channels. We are on Facebook, Instagram
  774. 33:39, and Twitter as ESETLA, and on
  775. 33:40LinkedIn as ESET Latinoamérica. So, I
  776. 33:43hope you enjoyed it. If you liked it,
  777. 33:46share it, leave a like, and any
  778. 33:48constructive comment, idea, or proposal
  779. 33:50is always welcome. So, until next time.
  780. 33:53Until next time.
  781. 33:54See you later.
  782. 33:58This was Conexión Segura, the ESET
  783. 34:00Latinoamérica podcast and your direct
  784. 34:02link to the world of cybersecurity.
  785. 34:05We’ll connect in the next episode.

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