What is Data Loss Prevention (DLP)?

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What is Data Loss Prevention (DLP)?


DLP helps organizations shield their delicate knowledge. Learn about one of the best practices and instruments out there to organize for and stop knowledge loss.

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Image: Adobe Stock/alvaher

Data loss prevention allows organizations to guard their delicate knowledge. Learn extra about finest practices and instruments out there to guard companies from knowledge loss.

While no group is totally proof against cyber threats, there are some instruments that may assist mitigate this danger. One class of such instruments is DLP, which is changing into an more and more widespread part of an general knowledge privateness and safety technique.

SEE: Learn easy methods to select the proper DLP software program in your group.

Not solely is DLP necessary to guard knowledge from cyber threats, but it surely additionally permits organizations to satisfy their compliance mandates. A correctly designed and applied DLP additionally helps organizations meet their auditing necessities. In this text, we spotlight how DLP works, the kinds of DLP, and a few finest practices to comply with.

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How does DLP work?

Data loss prevention (DLP) is a set of software program instruments, processes and knowledge safety practices that assist forestall unauthorized entry, misuse or lack of delicate or vital knowledge. It can also be known as extrusion prevention or info loss prevention.

Corporations usually embody DLP of their general knowledge safety technique. It helps them determine makes an attempt by malicious actors to realize unauthorized entry to their programs. A typical knowledge breach prices $4.25 million, and contemplating the elevated danger of cyberattacks, DLP is changing into more and more in style with firms searching for strategies to safeguard their digital knowledge.

Types of information loss prevention

DLP is classed into three classes: community DLP, endpoint DLP and cloud DLP. While all three varieties have the identical general goal of stopping knowledge loss, there are some key variations within the methods used to attain this goal.

Network DLP

Network DLP is used to observe and shield knowledge on the corporate’s servers. This consists of knowledge that’s at relaxation and in movement. Network DLP analyzes knowledge visitors on the cloud and on conventional community programs to determine any violation of an organization’s safety insurance policies. This kind of DLP screens file uploads and transfers, emails and messaging on the corporate community. If any consumer tries to realize approved entry to delicate info on the corporate servers, community DLP will provoke predefined steps to stop the consumer from accessing the information.

With community DLP, admins can even view who accessed the delicate knowledge, when it was accessed and whether or not the information was moved to a different location. This elevated visibility helps mitigate the dangers of information loss on the community.

Endpoint DLP

Endpoint DLP is designed to guard knowledge that’s in transit or in movement. It is particularly designed to observe the endpoints of the community, such because the cloud repositories, computer systems, cell telephones and different units which are related to the community. With endpoint DLP, admins can monitor knowledge saved on endpoints on and off the corporate community.

While endpoint DLP presents extra complete safety in comparison with community DLP, it does require extra administration. For instance, DLP instruments have to be put in on all units that should be protected. The admins additionally want to make sure the DLP instruments are maintained by way of common updates.

Cloud DLP

As the title suggests, cloud DLP presents safety for knowledge within the cloud. It scans and audits knowledge and robotically flags any anomalies that require consideration. In addition, cloud DLP maintains a listing of approved cloud units, functions and customers which were supplied with permission to entry knowledge.

Cloud DLP additionally maintains a log to report when knowledge was accessed and who accessed it. Rather than constructing a fringe across the community, cloud DLP interfaces with cloud functions to encrypt knowledge.

Data loss prevention software program

Data loss prevention options work by classifying kinds of knowledge, both on-premises or within the cloud, into completely different classes, akin to confidential or enterprise vital, and figuring out any violations of predefined guidelines or insurance policies configured into the software program. The use of DLP software program helps organizations meet their compliance and regulatory necessities, akin to GDPR and HIPAA.

Data loss prevention finest practices

Identify and classify knowledge

It is significant for organizations to determine and classify delicate knowledge in order that they know precisely what kind of information they’ve and what’s required to guard it. An awesome device for figuring out and classifying knowledge is to make use of an information discovery know-how that scans knowledge repositories and generates a report on the kind of knowledge.

Automate DLP processes

Automation permits customers to dump repetitive and recurring duties. It additionally helps with a broader DLP implementation throughout the group. While handbook DLP processes are necessary within the preliminary setup to assist configure the system in response to the particular wants of the group, automating the processes helps maximize the dimensions and scope of DLP implementation.

Use knowledge encryption

All business-critical knowledge and delicate info must be encrypted, together with knowledge that’s at relaxation and in transit. With knowledge encryption, organizations have an added layer of protection towards cyber assaults. This signifies that even when an intruder good points entry, the encryption helps maintain knowledge protected. There are numerous knowledge encryption applied sciences out there, akin to Encrypting File System (EFS) and Microsoft BitLocker.

Define consumer roles

Determine the extent of entry required by completely different customers in your group and configure these guidelines within the DLP instruments. The consumer roles ought to clearly outline the duties of various customers, together with the position of stakeholders if knowledge loss happens.

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