Module 14 · Cleartext Is Forever

Manish Garg
Manish Garg Associate of (ISC)² · RingSafe
Apr 27, 2026
1 min read
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Last updated: April 29, 2026

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An adversary records your encrypted traffic today. Stores it. Years later, quantum computer breaks the key exchange. Decrypts.

An adversary records your encrypted traffic today. Stores it. Years later, quantum computer breaks the key exchange. Decrypts.

This isn’t hypothetical. Nation-state adversaries have been recording for years. Long-lifespan secrets — IP, state secrets, banking credentials — are exposed even when transmitted over modern TLS today.

The mindset: data with multi-decade sensitivity needs post-quantum protection now, not in 2035.

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