Frank Rietta, founder of Rietta Inc. and editor of Rietta on Security, smiling.

Rietta

Rietta on Security

A newsletter on policy and technical trends in web application security, written from decades in the online trenches.

Rietta on Security is edited by Frank Rietta, M.S. Information Security. It's the newsletter companion to The Rietta Blog: my own take on what actually mattered, delivered straight to your inbox.

Recent From The Blog

09/04/2026

Government Rails Site Hit Hours After CVE Patch

Rietta patched a government client running a Ruby on Rails website within hours of a 9.5 CVSS ActiveStorage CVE. Exploit attempts began before business hours resumed.…

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08/18/2026

Generate OpenSSL Elliptic Curve Key Pair from the Command Line

How to generate an OpenSSL elliptic curve (P-256) key pair from the command line, and why NIST-backed ECC beats scaling RSA past 3072-bit.…

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