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How To Detect Data Leakage?

data leakage
data leakage

How to detect data leakage? Data leakage is the biggest threat in a system. The use of cloud-based systems and mobile devices is increasing day by day. As a result, it has become even more difficult to protect the security of systems by traditional methods.

Of course, each system takes certain measures to prevent the leakage of private data. They even make high investments by allocating significant budgets. However, despite the measures taken, data leakage still occurs. The biggest cause of data loss is the human factor. To prevent this, you should conduct routine training for employees. In addition, it is thanks to the training that employees become conscious users.

Another problem is that companies do not know how to behave against data leaks. Every company is like a recording device that collects data from the day it was founded. Documents, contracts, and confidential data are transported both electronically and on storage devices. At this stage, data security issues arise.

The security of the system needs to use systems and adjustments that will detect data leaks. To prevent a data leak that may occur in a hacker attack on a system very quickly, you need to have a ready-made plan.

As a result, knowing where data is located and which employees have access to this data allows you to take the necessary precautions for data leaks.

Some Methods Used to Detect Data Leaks

  • Devices with active USB usage
  • Who are the most authorized users on devices such as computers or tablets?
  • Access permissions to the Internet
  • E-mail control software
  • Stolen devices belonging to the system(USB, disk, computer, etc.)
  • Screen capture programs
  • Instant messaging applications
  • Database access permissions

In general, you should find data leaks using the methods I listed above. Situations arise that cause data leakage. You will get an idea of how data leakage occurs through these items. In addition, knowing the math of cybersecurity will further increase your analysis power.

How To Detect A Security Breach Related To A Data Leak?

Detect and Monitor Threats

Our main goal should be to detect data leaks. We need to shape solutions accordingly. In addition, the fact that users know that they are being monitored is a deterrent for the company. Users who know that they are being monitored in general cannot take steps to leak data.

However, there will certainly be users who still want to leak data. Therefore, it makes more sense to take all measures in advance. Each measure taken reduces the problems that may arise in the future. In fact, according to studies, the measures taken in advance reduce data leakage by 80%. This is a high rate.

I also recommend that you read the data tenders made up to this time via the link below.


Look For The Solution

Let’s say you’ve identified threats and found ways to leak data. What should you do in this case? Simple solutions will not work for you, and only he will save your day. However, tracking threats will not lead you to a result. You should install systems to block existing threats.

In addition, reporting is very important for proving data leaks. Because evidence becomes very important in data hijacking attempts. Therefore, having a reporting system will prevent these problems. Using good software that has proven itself at this point will take you one step forward.

The Appropriate Solution is DLP

DLP prevents data from falling into the hands of others in information security. DLP detects the location of critical and confidential data.

Thanks to the DLP software, each user has a better understanding of the security parameters. There are 3 different states of the data in the DLP system. These are defined as stationary data, data in use, and data in motion.

Data at Rest

It is the type of data that is stored in various storage units or databases when necessary. Thus, with DLP, sensitive data is revealed according to certain parameters. In this way, it provides visibility according to the privacy of the data.

Data in Use

Refers to data used by more than one user on a network. DLP products take action according to the type of transactions performed by users. For example, it allows copying to be performed only on certain files. In this way, copying of critical data is prevented.

Data in Motion

It is a type of data that is constantly moving on the network. It is a type of data belonging to applications such as email or instant messaging, for example. In particular, data on the move is vulnerable to various threats, such as human errors, network errors, or malicious actions. DLP products also address these threats in general, preventing data leakage.

Types of DLP

The Network

It monitors network traffic and protects sent data using certain protocols over the network. For example, it prevents data leakage in case of data breaches that occur via e-mail, website or other applications.


It ensures the protection of data stored on computers.


This DLP model monitors unprotected exposed information in environments such as databases and file servers. In this way, it detects problems by sending warnings against bad activities that are likely to occur.


It ensures that important data does not enter cloud servers without encryption. Because it allows processing only in authorized applications. In addition, this DLP model protects organizations that adopt cloud server usage.


I hope that we have answered enough of our readers who have asked how to detect a data leak. Recently, DLP software has become one of the most indispensable software for an organization.

You should pay attention to the damage caused by data leaks. You should also definitely use one of the monitoring and blocking options.

As a result, almost all DLP models allow you to learn how to detect a data leak using various methods. This way, your users always follow certain security rules wherever they are. Because DLP prevents important data from falling into the hands of other people at this point.

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