One careless click.
One copied file.
One lost laptop.

Sensitive company data can be lost in a heartbeat. Many data breaches happen at endpoints such as laptops, desktops, and mobile devices and not at servers. Simply put, this is due to the fact that endpoints are the location that employees work, share files, download files, and move files to/from on a daily basis. Therefore, the bottom line is: Your company’s data is only as safe as the endpoints accessing that data.

It’s here that Endpoint Data Loss Prevention (DLP) becomes extremely important. This blog will provide information on what endpoint data loss prevention is, how endpoints represent a high risk, how endpoint DLP protects your company, and specific ways to secure endpoint data. This blog is the road map for anyone who is concerned with protecting sensitive company data.

What is Endpoint Data Loss Prevention?

Endpoint data loss prevention (DLP) refers to solutions designed to monitor, detect, and stop users from unintentionally or maliciously sending sensitive endpoint data outside the device via unauthorized channels.

These solutions help to ensure that confidential information is not:

• Copied onto a USB drive
• Sent in unauthorized email messages
• Uploaded to a personal cloud
• Shared through instant messaging
• Printed or screen captured inappropriately

Thus, the goal of endpoint DLP is to stop the leakage of sensitive data at the endpoint.

Why Are Endpoints High-Risk Zones?

Real-world experience shows that endpoints are vulnerable due to the combination of both data & human action.

Examples of these risks include:

• an employee mailing the wrong person by mistake
• a remote employee using an unsecured Wi-Fi connection
• credential theft via phishing scam
• lost or stolen laptops
• insider threats (intentionally or unintentionally)

One example is an employee in healthcare who saved patient records onto a personal laptop using a personal drive. This laptop was later lost. The following consequences involved financial penalties and damage to the company’s reputation.

Network security cannot prevent these risks; therefore, protecting the data on endpoints is critical.

How to Secure Data on Endpoints?

Following are the ways to secure the data on endpoints: 

1. Deploy Endpoint DLP Solutions

A DLP endpoint protection tool monitors data movement and applies security rules.                      It can:

• Block unauthorized transfers
• Alert admins of suspicious activity
• Enforce company data policies

This is the foundation of endpoint data protection.

 2. Encrypt Sensitive Data

Encryption ensures that even if a device is stolen, data remains unreadable.

Examples:

• Full-disk encryption
• File-level encryption
• Email encryption

3. Control External Devices

Limit data transfer through:

• USB restrictions
• Device control policies
• Blocking unknown peripherals

4. Apply Strong Access Controls

Use:

• Multi-factor authentication
• Strong password policies
• Auto-lock screens

If access is controlled, data exposure reduces.

5. Keep Systems Updated

Outdated systems are easy targets.

Regularly update:

• Operating systems
• Applications
• Security patches

6. Train Employees

Technology alone is not enough.

Train users to:

• Recognize phishing
• Avoid unsafe downloads
• Handle sensitive data responsibly

Security awareness is a major layer of endpoint data protection.

Best Practices for Effective Endpoint DLP

Implementing endpoint data loss prevention is much more than merely installing a software solution; it also requires developing a sustainable strategy to safeguard sensitive data in order to maintain the pace of business operations. Listed below are some core best practices for achieving effective endpoint DLP use cases across the enterprise.

1. Establishing a Clear Data Classification Policy

Not all data is created equal with regard to its protection requirements. Determining what constitutes an organization’s sensitive data will provide an initial differentiation between customer information/financial records/intellectual property/Human Resources documents, etc. Defining the various classifications of data (i.e., public/internal/confidential/highly confidential) enables one’s endpoint data-loss prevention systems to implement appropriate controls according to the classification of the data itself. When employees understand which pieces of data are considered ‘sensitive’, the likelihood of the employee handling sensitive data appropriately increases. Thus providing for better alignment of data loss prevention policy to business objectives and fewer overly-restrictive data loss prevention policies.

2. Track Data Movement on a Continuous Basis.

An essential part of having effective data loss prevention at the endpoint is having visibility into how data travels from one location to another. Organizations need to maintain a continuous check on the movement of data across endpoints to ensure that the employees are using it in an appropriate fashion. Organizations do not need to invade their worker’s privacy, so tracking how data is moving across endpoints will allow organizations to determine what action is being taken on sensitive data. Such as large amounts of files being transferred or uploaded onto unknown platforms, before they are the victim of a data breach.

3. Find a Balance Between Endpoint DLP Security and Employee Productivity.

Being overly restrictive when implementing data loss prevention at the endpoint will typically result in employees finding ways around the security controls. Therefore it is essential for organizations to find a balance between data protection and employee productivity. Providing employees with an opportunity to provide an explanation or warning when implementing a security control may be more effective than just restricting access to sensitive information through the implementation of a data loss prevention security control at the endpoint.

4. Review Endpoint DLP Policies on a Routine Basis.

Businesses evolve and so do the threats they face. Thus, it is essential for an organization to periodically review its data loss prevention policies to ensure they are still appropriate and relevant. Allowing organizations to establish a routine review of data loss prevention policies will allow them to keep their data loss prevention policy up to date with new business processes, regulations, and risks. Moreover, this reduces the effects of false positive returns on the user.

5. Integrate DLP with a broader Cybersecurity Strategy For Endpoints

Integrating DLP with encryption, access control, employee education/training, and network security provides maximum protection to data through a multi-layered approach. Endpoint DLP is one of the core pillars of an organization’s overall security framework; therefore, it does not work alone but rather relies on multiple layers of protection. .

Final Thoughts

With organizations becoming more mobile and remote-friendly, data security is now on the front lines of the organization through endpoints. If you ignore your endpoint risks you have locked your front door but left your windows wide open.

Having a solid endpoint data loss prevention strategy will help organizations:

• Prevent expensive breaches of their data
• Keep their customers trust in them
• Meet compliance regulations
• Keep their company in good standing (reputation)