The Decryption Dilemma
With over 90% of web traffic encrypted with TLS 1.3, firewalls without decryption capabilities operate virtually blind. Malware droppers, ransomware command-and-control channels, and data exfiltration scripts regularly exploit HTTPS encryption to evade detection.
However, organizations must balance perimeter visibility with employee privacy and regulatory mandates such as HIPAA and GLBA.
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Architecture for Privacy-Compliant Decryption
1. Automatic Compliance Bypass Lists
4CGuard includes pre-configured, continuously updated category bypasses for financial institutions, healthcare providers, and government services. Traffic destined for these domains is validated at the TLS SNI and certificate level but left completely undecrypted.
2. Hardware Cryptographic Offloading
Decryption of modern TLS 1.3 ciphers (AES-256-GCM, ChaCha20-Poly1305) is accelerated using CPU hardware instructions (AES-NI), ensuring zero user-perceptible latency.
3. Certificate Revocation & Health Verification
4CGuard verifies upstream SSL certificates using real-time OCSP stapling and CRL checks, preventing man-in-the-middle attacks from compromised intermediate certificate authorities.