
Preventing Content Capture and Blocking DRM Bypass – Introduction of LIAPP & LISS
Hello!
Today, we'd like to share a real-world example of how LIAPP and LISS (screen capture prevention service) were implemented together to safely protect high-definition video content in a mobile environment.
As mobile-based content provision expands across various industries, including OTT, education, film, and broadcasting, the threat of illegal content capture, duplication, and leakage is rapidly increasing. The damage caused by illegal distribution is particularly significant for high-quality videos, making strengthening content security in mobile environments a critical priority.
Why is content protection important?
The widespread adoption of mobile streaming services has significantly improved user convenience, but at the same time, security threats, such as the following, are also rapidly increasing.
Real-time recording using a screen recording app
Source extraction using DRM (Digital Rights Management) bypass tools
Memory capture on rooted/jailbroken devices
Unauthorized storage and leaks using third-party recording and hooking apps
These threats not only harm content copyright holders, but can also negatively impact service providers' credibility and partnerships.
Background for the Introduction of LIAPP + LISS
Establishing a Two-Track Security System for Mobile Content Protection
Rather than blocking content security in isolation, we have established a systematic protection environment by applying application security (LIAPP) and a screen capture prevention service (LISS).
The combination of these two services creates a robust content security system that protects the entire app chain: app → playback → screen.
Key Applications
1. Screen Recording Detection and Blocking
- Real-time detection of OS API-based recording and capture operations
- Video playback is paused or the screen is blanked when recording begins
- Immediately displays a warning message to the user
2. Prevents DRM Bypass Attempts
- Automatically terminates the app when detecting DRM disabling or bypassing attempts
- Blocks DRM bypass attempts in rooted and jailbroken environments
- Encrypted streaming and playback control through LISS DRM
- All security events are linked to server logs
3. Blocks external capture apps and hooking tools
- Detects mirroring, hooking, and debugging tools
- Strongly blocks API hooking and memory access attempts
- Ensures security for content output areas
4. App forgery and integrity verification
- Prevents APK tampering and repackaging
- Blocks execution if integrity is violated
5. Enhanced streaming security
- DRM Encrypted streaming
- Session-based access control
- Customized watermark application
- Automatic application of security policies based on playback environment
Effects after implementation
After implementing LIAPP and LISS together, we observed the following benefits:
- A significant reduction in piracy and unauthorized recording attempts
- Increased security evaluation scores for affiliated companies, including video companies and broadcasters
- Increased positive mentions of "safe content provision" in user reviews
- Smooth passage of DRM compliance and security audits
Among other benefits, the fact that both security services operate automatically in the background, with no impact on the content playback UX, was a significant advantage.
In conclusion
Content is a core asset of a service.
Especially in areas directly related to copyright, such as video, broadcasting, and educational content, the strength of mobile security directly impacts service reliability.
The integrated security system of LIAPP and LISS goes beyond simple detection to provide real-time protection against capture, recording, DRM bypass, hooking, and tampering attempts.
If you want to safely deliver high-quality content on mobile platforms, now is the time to strengthen your content security system.
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