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HQC mathematical construction on dark navy, showing key generation, encryption and decryption for NIST backup KEM.

HQC: Why NIST's Backup KEM Belongs in Your Crypto-Agility Plan Now

NIST selected HQC as the backup KEM for post-quantum cryptography, built on code-based mathematics independent of lattices. Plan for substitution now.

Brian Couzens

2 hours ago9 min read

NIST IR 8547 executive comparison briefing cover — what changed between the November 2024 draft and the October 2026 final report. Analysis by SITG-Consulting. It covers the document identity, the subject matter, and the authorship, which is what both screen readers and AI engines extract from alt text. Concise enough that it will not get truncated in search indexing.

NIST IR 8547: What Changed Between the Draft and the Final Report

Five material changes between the November 2024 draft and the October 2026 final. Federal milestones, wider algorithm scope, hardware dependencies. Independent analysis.

Brian Couzens

5 hours ago7 min read

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Home
About
About SITG
Our Team
Transformation Portfolio
81bb8809-8acc-438f-aa63-edbe6b798f54
About SITG
Our Team
Transformation Portfolio
PQC & Cryptographic Services
PQC Discovery Sprint
PQC Readiness Assessment
Quantum Trust & PQC Assurance Services
Cryptographic Agility Services
QCAS - The Standard
Crypto Transformation & Modernisation Methodology
FAQ - Quantum Risk, PQC Governance & Cyber Resilience
85740bf9-b133-401c-a0ed-6370f7636938
PQC Discovery Sprint
PQC Readiness Assessment
Quantum Trust & PQC Assurance Services
Cryptographic Agility Services
QCAS - The Standard
Crypto Transformation & Modernisation Methodology
FAQ - Quantum Risk, PQC Governance & Cyber Resilience
Cyber & Compliance
Cyber Discovery Sprint
Cyber Risk & Resilience
SOC 2 Readiness Assessment
NIST: CSF2.0
FIPS 140-3 Gap Analysis
2690fa10-f55c-4f6d-b3a3-909c1e764f69
Cyber Discovery Sprint
Cyber Risk & Resilience
SOC 2 Readiness Assessment
NIST: CSF2.0
FIPS 140-3 Gap Analysis
Resources
White Papers
Thematic Reviews
Authoring & Executive Publications
FAQ
The Lexicon
Plain English Translator
a3df4e2f-f26a-46bc-973f-d3843e59ac3e
White Papers
Thematic Reviews
Authoring & Executive Publications
FAQ
The Lexicon
Plain English Translator
Blog
Founder Programme
Founder Validation
Startup Advisory
4fec5681-d386-451c-b973-bf1c88905bb2
Founder Validation
Startup Advisory

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