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Feisty Duck’s Cryptography & Security Newsletter is a periodic dispatch bringing you commentary and news surrounding cryptography, security, privacy, SSL/TLS, and PKI. It's designed to keep you informed about the latest developments in this space. Enjoyed every month by more than 50,000 subscribers. Written by Ivan Ristić.

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Recent Issues


  • #126 Internet PKI to Integrate DNSSEC 30 Jun 2025
  • #125 Passkeys Gain Momentum 29 May 2025
  • #124 Certificate Lifetimes to Shrink to Just Forty-Seven Days 30 Apr 2025
  • #123 Mozilla Fixes Certificate Revocation Checking 31 Mar 2025
  • #122 QWAC Technical Details Emerge 28 Feb 2025
  • #121 The Slow Death of OCSP 30 Jan 2025
  • #120 Short-Lived Certificates Are Coming in 2025 31 Dec 2024
  • #119 NIST Publishes Roadmap for Post-Quantum Transition 28 Nov 2024
  • #118 Apple Wants to Limit Certificates to Forty-Five Days 31 Oct 2024
  • #117 Smart TVs Are Watching You 26 Sep 2024
  • #116 Post-Quantum Cryptography Arrives 29 Aug 2024
  • #115 RADIUS/UDP Considered Harmful 30 July 2024
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