Curtain e‑locker Review 2026: Pricing, Features, Pros & Cons, Ratings & More

Curtain e‑locker is an advanced data loss prevention (DLP) solution designed to stop internal users from leaking sensitive data outside an organization—without disrupting normal work.

Instead of a one-size-fits-all physical isolation, Curtain e-locker creates protected zones that combine safeguarded systems on servers with secure local directories on user workstations. Within these zones, users can read and edit files as needed, while policies can block copying, printing, screen captures, or sending files beyond the protected perimeter unless explicitly authorized.

Unlike many conventional DLP tools, Curtain e-locker does not restrict network usage. Employees can continue to access the internet, run browser applications, and use outbound messaging tools as they normally would, preserving seamless external collaboration.

Management can also apply flexible outbound messaging controls—from full restriction, to approval requirements, to automatic event logging and administrator notifications—tailored to different roles or teams. Multiple policy groups can be defined to suit varied employee needs, and even screen watermarking can be adjusted independently for each group.

What's New in Curtain e-locker?

Recent enhancements to Curtain e‑locker focus on expanding protection coverage and enforcing finer control:

Support for Over 500 Applications

Covered applications now include not only general office tools but also multimedia, CAD/CAM, ERP, CCTV, and design software.

Online / Offline Protection

Protection applies whether or not the workstation is connected to the network.

On‑screen Watermarks & Print‑Snapshot Logging

Adds visual deterrents and audit trails for printed or screen‑captured content.

Curtain e‑locker uses licensing models based on either Perpetual or Subscription licensing. You purchase licenses per workstation (Office Suite or Universal) depending on which applications need protection. For backend systems (e.g. file servers), you buy the relevant server protection module. The “Office Suite” license protects general office applications; the “Universal” license extends to more advanced/design/CAD/CAM applications.

The licensing allows mixing types: for example, you can deploy Universal licenses in one department and Office Suite for others, depending on usage needs. The price is not publicly listed; interested buyers are prompted to request a demo or trial to receive specific licensing cost details.

What Sets Curtain e‑locker Apart?

Curtain e‑locker differentiates itself by offering a DLP solution that is both granular and flexible. The Protected Zone model means that users can continue typical workflows within trusted environments, while unauthorized exfiltration of data (copying, printing, screen capture, etc.) is blocked outside of subset zones. This allows organizations to maintain both security and usability.

Another distinguishing feature is its wide support across application types—office tools, CAD/CAM, multimedia, CCTV, ERP, and more—along with both “Office Suite” and “Universal” license types. This means protection isn’t limited to basic office work but spans into specialized, design‑ and engineering‑heavy departments.

Here are several of the strengths Curtain e‑locker brings to organizations wanting to secure internal data:

Extensive Application Coverage

Supports over 500 applications, including office, multimedia, CAD/CAM, ERP and CCTV tools, so protection spans across diverse workflows.

Granular Policy Control

Administrators can define different control policies per user/group and system combination via the Policy Server and apply restrictions such as save, send, print, screenshot, and copy‑out.

Protected Zone Architecture

Combines server and local protected directories to create zones where data can be safely handled without risk of internal leakage. This can prevent unauthorized access, prevent external casual access, and prevent data exposure, such as preventing re-access by former employees.

Audit & Forensic Capabilities

Comprehensive file activity logs, application logs, print watermarks, and screen watermarks allow for traceability and accountability. Compared to Windows, searches are quick and easy with just a keyword, allowing you to easily identify key information. There are also features such as automatic notification of relevant logs to administrators, log export, and log statistics.

Even the best DLP tools have trade‑offs; here are some for Curtain e‑locker:

Cost Not Transparent

License pricing isn’t published; organizations need to request trials or demos to get quotes.

Workstation Client Requirement

The Curtain Client must be installed on each workstation to enforce policy, which means overhead in deployment and maintenance.

Possible Usability Friction

Restrictive controls (print, copy, send) might slow legitimate workflows if not finely tuned.

Curtain e‑locker includes the following central capabilities:

Control Over File Actions

Restricts save, print, send, copy, copy‑file, copy‑content, print‑screen, and print‑out‑snapshot actions based on policy.

Protected Zone (Server + Local Directory)

Defines safe environments combining server systems and local protected directories; within which users retain standard workflows but leaving the zone triggers restrictions.

Support for 500+ Applications

Enables protection across a wide spectrum of software, including general office, design/CAD/CAM, multimedia, CCTV, and enterprise tools.

Offline and Online Protection

Ensures that protected content remains safeguarded even when workstations are disconnected from the network.

Audit Trails & Watermarking

Tracks file/print logs, offers on‑screen watermarks, snapshots on print‑out, and encrypted local storage.

Flexible Licensing Models

Offers perpetual or subscription options; mixes Office Suite & Universal licenses; single server protection module for backend systems.

Here are key business outcomes Curtain e‑locker delivers:

Balanced Security and Efficiency

Curtain e-locker offers a perfect balance between security and efficiency, ensuring strong protection of sensitive data while allowing everyday operations to run smoothly.

Reduced Data Leakage Risk

By restricting unauthorized file actions and enforcing protected zones, sensitive information is less likely to leave the company inappropriately.

Regulatory Compliance Support

With logs, encrypted drives, and control over copy/print/screen actions, Curtain e‑locker helps organizations meet relevant data protection regulations.

Operational Flexibility

Users can continue normal work within protected zones without heavy restrictions, preserving productivity while maintaining security.

Broad Application Protection

Because over 500 diverse apps are supported, departments with specialized software aren’t left vulnerable.

Auditability and Accountability

Detailed logs, watermarks, approval rules, and snapshots provide the documentation needed for internal audits and investigations.

Curtain e‑locker is especially useful in industries where internal data protection is critical, used in the following ways:

Design & Engineering Firms: Protect intellectual property in CAD/CAM applications and ensure designs cannot be copied or leaked.

Manufacturing & R&D Departments: Secure technical drawings, engineering documents, and sensitive project files across both offices and labs.

Legal/Financial Services: Prevent unauthorized distribution of contracts, financial reports, or client information even when internal access exists.

Media & CCTV Operations: Protect video files, recordings, or visual content from being exported or screen‑captured.

Enterprises handling Confidential Data: Companies with regulatory obligations or sensitive assets (trade secrets, proprietary documents) use it to enforce least‑privilege and data‑boundary policies.

What Are the Top 5 Alternatives to Curtain e‑locker?

If you’re considering other DLP or file protection tools, these are comparable options:

1. Symantec Data Loss Prevention

Symantec Data Loss Prevention is a long‑standing enterprise‑grade DLP solution with broad regulatory recognition.

2. Digital Guardian

Digital Guardian offers deep‑level control over endpoints, network, and cloud.

3. McAfee Total Protection for Data

McAfee Total Protection for Data combines antivirus, endpoint security, and DLP features.

4. Microsoft Purview Information Protection

Microsoft Purview Information Protection is a software integrated into Microsoft 365 ecosystem, good for organizations using MS tools heavily.

5. IBM Trusteer

IBM Trusteer is focused more on email/data exfiltration protection and policy enforcement.