About Q-Day Check
Q-Day Check (qdaycheck.com) is an independent technical and educational publication focused on primary-source verification, practical diagnostic tools, and vendor-neutral guidance.
We process your email address (and business contact details if you use the contact form) solely to deliver requested post-quantum cryptography engineering runbooks, NIST FIPS 203/204/205 standards updates, and responses to your technical or partnership inquiries.
Editorial Review
Lead Reviewer: Callum Reid (Principal Infrastructure & Cryptography Editor). Reviews transport-layer security configurations, OpenSSL/Nginx hybrid key-exchange benchmarks, and CycloneDX CBOM documentation.
Editorial & Privacy Contact: corrections@qdaycheck.com · privacy@qdaycheck.com
Related Resource
Companion publication: Q-Day Audits (qdayaudits.com) (Enterprise PQC audit scoping estimators, CNSA 2.0 and OMB M-23-02 mandate matrices, and vendor-neutral RFP builders for GRC and procurement teams.)