Compare the Top Data Loss Prevention Software for Windows as of October 2026

What is Data Loss Prevention Software for Windows?

Data loss prevention (DLP) software is designed to protect sensitive information from being accidentally or maliciously exposed, shared, or lost. It monitors and controls data transfer across endpoints, networks, and storage systems to prevent unauthorized access or leaks. DLP tools can detect patterns, keywords, and encryption to identify and block the movement of confidential data, such as financial records or personal information. The software often integrates with email systems, cloud storage, and file-sharing platforms to enforce security policies. By preventing data breaches and ensuring compliance with regulations like GDPR and HIPAA, DLP software helps safeguard an organization's valuable data assets. Compare and read user reviews of the best Data Loss Prevention software for Windows currently available using the table below. This list is updated regularly.

  • 1
    Curtain MonGuard Screen Watermark
    Curtain MonGuard Screen Watermark is an enterprise solution that displays watermarks on users' screens, showing information like PC name, and username. It captures user attention and serves as a reminder before taking screenshots to share sensitive information. Key features: - On-screen watermark - Full screen-watermark - Application screen-watermark - Supports over 500 Applications - Self-defined content of watermark - Screen-watermark by condition - Central administration - Integration with Active Directory - Uninstall password for client - Password management - Admin delegation - Self protection for the software Licensing: Curtain MonGuard is shareware. You can download and use the software for free on a trial basis or commercial use. If you want to display [username] and [IP address] in screen watermark and some advanced features, you need to activate the software to paid version.
    Starting Price: Free with limited functions
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  • 2
    CurrentWare

    CurrentWare

    CurrentWare

    Protect your business with our simple employee monitoring & security solutions. Protect your sensitive data with the robust data loss prevention and user activity monitoring features in the CurrentWare suite. Block unauthorized USB devices to prevent data theft, proactively block high-risk websites, monitor computer activity for anomalous behavior, and more. CurrentWare’s workplace internet filtering and monitoring software prevents the misuse of the internet in the workplace. Effortlessly restrict internet access and track employee web browsing to enforce your internet use policies. Use CurrentWare’s remote workforce management software to improve the productivity and security of your employees, no matter where they work. With CurrentWare you can monitor remote employee internet usage, block websites, and restrict USBs even when PCs disconnect from your network. Whether on-campus or taken home, CurrentWare’s computer monitoring and web filtering for schools ensures student safety.
    Starting Price: $14 PUPM
  • 3
    Curtain LogTrace File Activity Monitoring
    Curtain LogTrace File Activity Monitoring is an enterprise file activity monitoring solution. It tracks user actions: create, copy, move, delete, rename, print, open, close, save. Includes source/destination paths and disk type. Perfect for monitoring user file activities. Key features: - File log (create & delete file) - File log (copy & move file) - File log (print & rename file) - App log (save, open & close file) - Support MySQL & MS SQL - Watermark for printout - Central administration - Integration with Active Directory - Uninstall password for client - Password management - Admin delegation - Self protection for the software Licensing: Curtain LogTrace is shareware. You can download and use the software for free on a trial basis or commercial use. If you want to log more file events (e.g. print, rename, save, open and close) and some advanced features, you need to activate the software to paid version.
    Starting Price: Free with limited functions
  • 4
    OctoWatch DLP

    OctoWatch DLP

    KOLIBRI LLC

    OctoWatch DLP is Windows employee monitoring and data loss prevention software for office, remote, and hybrid teams. Track apps, websites, screens, time, and user activity; enforce DLP rules; investigate Risks in the Web Console. Cloud or On-Premise.
    Starting Price: $15/month/user
  • 5
    Teramind

    Teramind

    Teramind

    Teramind provides a user-centric security approach to monitoring your employees’ digital behavior. Our software streamlines employee data collection in order to identify suspicious activity, improve employee productivity, detect possible threats, monitor employee efficiency, and ensure industry compliance. We help reduce security incidents using highly customizable Smart Rules that can alert, block or lockout users when rule violations are detected, to keep your business running securely and efficiently. Our live & recorded screen monitoring lets you see user actions as they’re happening or after they’ve occurred with video-quality session recordings that can be used to review a security or compliance event, or to analyze productivity behaviors. Teramind can be installed in minutes and can be deployed either without employees knowing or with full transparency and employee control to maintain trust.
    Starting Price: $12/month/user
  • 6
    AccessPatrol

    AccessPatrol

    CurrentWare Inc.

    AccessPatrol is a data loss prevention and USB device control software that provides a proactive solution for preventing data breaches caused by illicit data transfers. AccessPatrol controls a variety of peripherals, including… - Storage devices such as USB flash drives and external hard drives - Wireless Devices such as Bluetooth, Infrared, and WiFi - Communication Ports such as Serial and Parallel ports - Imaging Devices such as Scanners or Cameras, and… - Other Devices such as network share drives, printers, and mobile phones File operations alerts and permissions can be configured to alert IT administrators to suspicious file operations and proactively prevent data transfers to unauthorized users. The security policies are enforced by a software agent that is installed on your user’s computers. This keeps devices restricted and monitored even when the computers are taken off of the network.
    Starting Price: $6 PUPM
  • 7
    Risk Monitor

    Risk Monitor

    SearchInform

    SearchInform Risk Monitor controls your maximum quantity of information channels as well as featuring built-in analytical tools. Provides your business with multifaceted protection against financial losses caused by internal threats in several stages: •Detecting incidents involving corporate fraud and profiteering •Controlling the human factor and predicting HR risks •Protecting confidential data from leaks during its storage, use and transfer •Facilitating regulatory compliance and investigation processes The system operates on two levels. It keeps track of the data leaving the network while at the same time monitors employee activities on computers. SearchInform Risk Monitor keeps an eye on the company’s assets 24/7 even if the employees are outside the office (field work, WFH or while on the business trip) but using corporate devices.
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