What is decryption? Meaning, keys and examples
Decryption turns ciphertext back into readable data with the right key. A worked AES-GCM example, the kinds of keys involved, and why attackers target the moment of decryption.
#video security
9 articles tagged #video security
Articles
Why DRM alone can't stop piracy
DRM protects video on its way to the screen, not after it. The leak routes it leaves open, from phone cameras and shared logins to weak devices, PDFs and insiders.
Keep your LMS, secure your videos: SDK or migration?
For institutes with their own LMS and apps: when an SDK beats migrating, where leaks slip through after an integration, and what to ask a video security vendor.
How to prevent video downloads from your website
Most course video downloads use ordinary gaps: plain file links, download tools, keys any session can fetch and shared logins. What fails, the warning signs and what to ask.
Secure video hosting for online courses: what to look for
Where 'secure' video hosting falls short: keys any session can fetch, shareable links, untraceable copies, unchecked recording and lock-in, plus a vendor scorecard.
Signed URLs and hotlink protection for video, explained
How signed links and hotlink protection get bypassed: links shared before expiry, valid sessions, leaked secrets, public storage and faked Referer headers.
How do Netflix downloads work? Secure offline video
Netflix downloads are encrypted, app-only, device-bound and time-limited. How they work, why offline copies are a target, and what to ask before offering downloads.
DRM vs encryption: what's the difference?
All DRM uses encryption, but the two fail differently: captured keys, software-only devices, recording and shared logins. What each stops, and what to ask vendors.
Widevine L1 vs L3: security levels explained
Widevine L1 keeps keys in hardware; L3 keeps them in software and was publicly broken in 2019. Why that matters, why apps cap L3 quality, and what to ask.
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