Противодействие утечкам данных и защита от сотрудника: как защищают DLP и NDA и чем уменьшить ущерб — Transcript
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- 0:00Many companies come to us with requests
- 0:03to identify data leaks. This can be
- 0:06either the machinations of competitors
- 0:08bribing your own employees to steal
- 0:11valuable company data, or it could be,
- 0:13uh, let's say, the employee's own
- 0:16initiative, wanting to harm the company
- 0:18for some reason. The reasons can vary.
- 0:21by an employee. Even if you have a
- 0:24non-disclosure agreement in place, it
- 0:26doesn't effectively, technically, or
- 0:29physically prevent them from causing
- 0:31this kind of self-inflicted damage to
- 0:33the company. Therefore, in most cases,
- 0:36organizations are just left to, well,
- 0:38let's say, wait, in quotes. So, is it
- 0:40possible to somehow prevent this
- 0:42unauthorized activity by employees? Can
- 0:45you avoid the machinations of
- 0:47competitors and data leaks from your
- 0:49companies? Of course, you can. And in
- 0:51this video, I will tell you how to do
- 0:54it. Here with you in the studio, as
- 0:57always, your host from the Business
- 0:58Security Development channel, Dmitry
- 1:00Ushakov, from the Gladiator Information
- 1:02Security company. Subscribe to the
- 1:04channel, like the video, leave comments
- 1:07below, and let us know what else you
- 1:09would like to learn regarding corporate
- 1:11information security or what topics we
- 1:14haven't covered in this video. Well, we
- 1:17are starting by analyzing situations
- 1:20involving company data leaks. Let's go.
- 1:23We will divide counteracting corporate
- 1:25data leaks and the spilling of valuable
- 1:27information, trade secrets, or client
- 1:29databases into two parts. The first
- 1:32part is, let's say, the organizational
- 1:34component, and the second is the
- 1:35technical one. Let's start from the
- 1:37beginning. The organizational component
- 1:40of protecting a company from data leaks
- 1:42or countering fraud by your own
- 1:44employees involves having every
- 1:46employee sign a non-disclosure
- 1:48agreement regarding confidential
- 1:49information. It is usually called an
- 1:52NDA. Also, besides everything else, the
- 1:55contract with this employee—or
- 1:57directly in their job description—
- 1:59must specify the employee's actual
- 2:02duties and outline exactly what is
- 2:04permitted and what is prohibited within
- 2:07the company. Basically, it must be
- 2:09stated that it is forbidden to disclose
- 2:11confidential information. And what
- 2:13exactly constitutes confidential
- 2:15information and how to work with it is
- 2:17established in the confidentiality
- 2:19policy, which is implemented by order.
- 2:22By the head of the organization,
- 2:24usually the General Director. Actually,
- 2:26this confidentiality policy and the
- 2:28confidentiality regime in the
- 2:29organization are implemented at a
- 2:31specific moment in time, and you should
- 2:32be prepared for this as well. Within
- 2:34the framework of this confidentiality
- 2:36order, a list of confidential
- 2:38information is created, and all
- 2:40information is categorized by so-called
- 2:42confidentiality stamps. For instance,
- 2:45trade secrets or know-how might carry a
- 2:48higher level of confidentiality.
- 2:51Whereas information on deals or
- 2:53contacts of specific clients, which
- 2:55likewise represents valuable commercial
- 2:57or at least confidential information
- 2:59for your company, may have a much lower
- 3:01priority. After all, you might lose a
- 3:04client, but if you lose a trade secret,
- 3:07you effectively leak or hand over your
- 3:10business to competitors—or some other
- 3:12company that was trying to buy or steal
- 3:15this trade secret through an employee
- 3:17in your organization. Accordingly, when
- 3:21you have signed an updated contract
- 3:23with an employee, signed a
- 3:25non-disclosure agreement with them, and
- 3:27introduced a confidentiality regime at
- 3:30the enterprise—that is the moment
- 3:32when the employee’s obligations to
- 3:34you arise: formally established,
- 3:36legally sound obligations for the
- 3:38employee not to disclose that
- 3:40confidential information, for which
- 3:43they will face very clear consequences
- 3:46that you will also specify in the
- 3:48agreement with that employee. All these
- 3:51so-called organizational measures
- 3:54certainly create certain moral and
- 3:56ethical constraints, but they in no way
- 3:58technically prevent the leaking of
- 4:00information or the theft of trade
- 4:02secrets, client databases, or deals
- 4:05from your company. Therefore, this is
- 4:07definitely not enough. Technical
- 4:09restrictions are necessary. So what
- 4:11could these restrictions be? And how to
- 4:15technically prevent information leaks
- 4:17and data theft by your own employees,
- 4:19who, by the way, are sometimes called
- 4:21insiders in threat models. Technical
- 4:24countermeasures boil down to three
- 4:27simple actions. Well, they certainly
- 4:29sound simple. In reality, this is a
- 4:31fairly complex technical operation, but
- 4:33let's break them down. The first
- 4:34technical measure is restricting
- 4:36employee access rights when working
- 4:38with the organization's information
- 4:40systems. This is the so-called
- 4:43principle of least privilege. Least
- 4:45privilege principle. It consists in the
- 4:48fact that an employee, when working
- 4:50with an information system, has access
- 4:52only to the information they actually
- 4:55need to perform their job duties. And
- 4:58as a consequence of implementing this
- 5:01principle, even in the event of an
- 5:03incident, we, let’s say, limit the
- 5:06scale of the damage. That is, the data
- 5:09that could theoretically leak from the
- 5:10company constitutes only a small part,
- 5:12exactly the part that the given
- 5:14employee is responsible for. But if you
- 5:16have 10 managers in a department, and
- 5:18only one actually leaked information,
- 5:20then in the worst-case scenario, you
- 5:22can only lose one part of that
- 5:24information. Whereas in the usual
- 5:27scenario, what we observe in most
- 5:28companies when we conduct information
- 5:30security audits for them, we see that
- 5:32access rights are effectively not
- 5:34restricted at all, and the full
- 5:36spectrum of employees actually has full
- 5:38access to all information in the
- 5:39company. This, of course, must not be
- 5:43allowed. Limiting employee privileges
- 5:46only to the scope of operations,
- 5:48actions, and information truly
- 5:50necessary for them to perform their job
- 5:52duties. The second important technical
- 5:56measure is a regular audit of data
- 5:58access rights. Why is this necessary?
- 6:01Well, in any company, let’s not hide
- 6:03it, there is always at least some staff
- 6:06turnover. Plus, as a company grows, new
- 6:09data emerges, including new information
- 6:12systems that process this data, store
- 6:15trade secrets or have access to them,
- 6:17and handle an increasing number of
- 6:20transactions and client contacts. In
- 6:23short, they process the very
- 6:24confidential information you are trying
- 6:26to protect. So, the system is alive and
- 6:29evolving. And it is equally necessary
- 6:32that the information security system,
- 6:34which controls access to this data,
- 6:37limits manager privileges, and
- 6:39ultimately limits the potential damage
- 6:42to your company, must also evolve.
- 6:46Therefore, a regular access audit—
- 6:49either manually following procedures
- 6:51and written algorithms that an external
- 6:54consultant can draft for you (like our
- 6:57company), or using a specialized
- 7:02information security system—scans all
- 7:05employee accounts and information
- 7:07systems to provide you with a
- 7:09ready-made access matrix that reflects
- 7:12the current state of your company. Then
- 7:17you, or your company's security officer
- 7:20, can visually compare what is
- 7:23currently implemented in terms of
- 7:26access matrices with what should be on
- 7:29paper—the theoretical model of access
- 7:32and threats that your company should
- 7:36apply—and align the actual model with
- 7:39the theoretical one, ensuring real-time
- 7:43security control on a regular basis.
- 7:47Finally, the third technical measure is
- 7:49the data leak prevention system itself.
- 7:51A DLP system, or Data Loss Prevention
- 7:54system. As the name implies, it is a
- 7:57system that allows you to prevent data
- 8:00leaks. What does it do? It monitors all
- 8:03communication channels used by an
- 8:05employee. Based on a set of rules—
- 8:09typically keywords or specific behavior
- 8:12patterns—it isolates suspicious
- 8:15activity that either directly indicates
- 8:18a leak in progress or acts as a warning
- 8:21sign of a leak about to happen.
- 8:26Accordingly, the main task of a DLP
- 8:28system is to promptly warn a manager,
- 8:31an information security officer, or
- 8:34even the CEO—if you have a small
- 8:37company—that something bad, i.e.,
- 8:39that very leak of confidential
- 8:42information, is either happening at
- 8:44this moment or is about to occur. These
- 8:48warnings are generated either by the
- 8:50system itself or by an analyst working
- 8:52with it. And you don't even need
- 8:55technical expertise to implement and
- 8:57maintain such a system. Such an
- 9:00implementation can be done using an
- 9:02outsourcing model, where a specialized
- 9:04integrator, for example, an information
- 9:06security pro, installs this kind of
- 9:08system in your company and subsequently
- 9:11maintains it, providing the
- 9:12organization's head with a ready-made
- 9:15report on leak indicators regarding
- 9:17employees who should be kept under
- 9:19watch. Or regarding all employees in
- 9:22your company. When using a DLP system,
- 9:24it is important to follow a number of
- 9:26rules, let's call it the hygiene of
- 9:28using a DLP leak prevention system. The
- 9:31first recommendation is not to use the
- 9:33blocking mode of this system, despite
- 9:35the fact that it is called a leak
- 9:37prevention system. An effective mode
- 9:41for using this system is when it allows
- 9:44for passive monitoring of employee
- 9:46communication channels, let's say, with
- 9:48the outside world, with potential
- 9:50competitors or other scammers who are
- 9:52trying to steal your confidential data
- 9:54through them, and simply notifies you
- 9:56of these facts in a timely manner. Why
- 10:00is this mode more effective than
- 10:02blocking everything? Well, first of all
- 10:05, if we start blocking communication
- 10:08channels—messengers, email, or
- 10:11certain websites—then an employee, if
- 10:15they are a truly motivated scammer or
- 10:18someone who has decided they will steal
- 10:21information from your company at any
- 10:24cost or tamper with it, will not be
- 10:27stopped by these restrictions. They
- 10:30will simply find another way. They
- 10:33always exist. Where there's a will, as
- 10:35they say. So, motivated employees
- 10:37usually have that will. And therefore,
- 10:39they will find a communication channel
- 10:41that is not currently being monitored
- 10:43by this system. And it is much more
- 10:47effective, as I said, not to force the
- 10:50employee to think creatively, but to
- 10:52try to relax them, make them act in
- 10:55their usual way, so that they use the
- 10:58standard, controlled, and convenient
- 11:00communication channels. In this case,
- 11:03it will be much easier to identify them
- 11:05. Also, to comply with all legal
- 11:08procedures, it is necessary to include
- 11:11a clause in the employee’s contract
- 11:13explicitly stating that the company
- 11:15monitors the communication channels the
- 11:18employee may use for their work. And
- 11:21that this does not in any way limit
- 11:23their right to privacy or personal life
- 11:26. And that this is required to maintain
- 11:29the organization's confidentiality
- 11:31regime and is aimed at ensuring the
- 11:33security of the company's business
- 11:35processes. After that, the employee
- 11:38will either object to such monitoring,
- 11:40which serves as an additional signal to
- 11:42the security department regarding the
- 11:44true reasons for the employee’s
- 11:46objections. Perhaps you shouldn't hire
- 11:49them at all. But if they sign the
- 11:52contract and agree to the implemented
- 11:55control mechanisms, then most likely—
- 11:57and this would be more appropriate—
- 11:59you will have to provide the employee
- 12:02with equipment, such as a laptop or
- 12:04desktop computer, which will be
- 12:06monitored by a data leak prevention
- 12:09system, through which you will
- 12:11effectively monitor the employee's work
- 12:13and be able to do so completely
- 12:16legitimately. By the way, another
- 12:19interesting fact we have encountered
- 12:21when consulting our clients during the
- 12:24implementation of leak prevention
- 12:26systems is that employees often refuse
- 12:29such monitoring tools. They justify
- 12:32this by saying that their personal
- 12:34correspondence—which they don't
- 12:36hesitate to use during the workday,
- 12:38even though they technically shouldn't
- 12:41—is somehow valuable information to
- 12:43them. But at the same time, for some
- 12:47reason, they undervalue all trade
- 12:49secrets, all know-how, the client base,
- 12:52and ultimately, information about deals
- 12:55or other valuable company data. In
- 12:57other words, they believe it is somehow
- 12:59unimportant. This is an additional
- 13:02indicator and a reason to talk with the
- 13:05employee about how much they truly
- 13:08value the company’s information,
- 13:11understand what their duties entail,
- 13:14what the company requires of them, what
- 13:18it permits them to do, and what it
- 13:21restricts—such as transferring,
- 13:24modifying, copying, sharing externally,
- 13:28or even deleting information within the
- 13:30company's systems. Remember that just
- 13:34one data leak, one instance of sharing
- 13:37trade secrets with competitors during
- 13:39the company's growth phase—especially
- 13:42in the early stages—can be critical
- 13:45and even fatal for a young business.
- 13:48Therefore, be careful, keep your
- 13:50information secure, and keep your
- 13:52employees under supervision. If you
- 13:55need a detailed consultation, visit our
- 13:58website via the link in the description
- 14:00, submit a request, and our specialists
- 14:02will contact you to provide expert
- 14:04advice and even demonstrate this system
- 14:07in action. They can advise on using the
- 14:11algorithms or help with the
- 14:12organizational aspects of monitoring
- 14:14employees and ensuring confidentiality
- 14:16within your company. I wish you
- 14:20security and growth for your business.
- 14:23The Gladiators of Information Security
- 14:25are ready to be your reliable partner
- 14:27on this challenging journey. Good luck
- 14:30and have a great day. Don't forget to
- 14:32subscribe to the channel and leave your
- 14:34comments. Let us know what else you
- 14:36would be interested in learning
- 14:38regarding information security for your
- 14:40business. Share this video with your
- 14:42colleagues. Let more companies develop
- 14:45successfully and securely. And let’s
- 14:48all work together to build successful
- 14:50businesses in our country. These are
- 14:53challenging times. Have a good day. See
- 14:55you in future videos. Bye.
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