Expired50% confidenceFactTime unknown
Tencent's slider CAPTCHA (TDC), also known as Tencent Waterproof Wall, protects its core encryption logic through JS obfuscation and VM sandboxing, and identifies automated tools through environment fingerprint detection.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
Sources
Related Claims
UnverifiedConfidential computing creates encrypted Trusted Execution Environments (TEEs) at the hardware level, ensuring that data remains under encryption protection throughout the entire process of use69% similarUnverifiedAuthenticated encryption (such as AES-GCM mode) can detect whether ciphertext has been tampered with while ensuring confidentiality.66% similarUnverifiedtfsec专注于安全漏洞检测，能识别过于宽松的安全组规则、未加密的存储等安全隐患64% similar
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