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

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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

09/28/2026

When to Involve Legal Counsel in an ADA/WCAG Audit

ADA/WCAG audit findings on a government's documents can become discoverable. Why state and local agencies should consider looping in legal counsel first.…

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09/20/2026

Document Provenance: Finding the Common Ancestor of Inaccessible Documents

How we trace inaccessible government documents back to a common ancestor, that is the shared template, tool, or workflow behind their ADA/WCAG defects.…

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