The quantum-safe
cybersecurity blog.
Post-quantum cryptography, NIST standards, encryption and practical security — written so a founder and a CISO both get it. No fluff, no fear-mongering, just what's coming and what to do about it.
CNSA 2.0 Compliance: The Post-Quantum Deadline Explained
CNSA 2.0 is the NSA's post-quantum algorithm suite for national security systems. Here is what it requires, who it affects, and how to prepare.
Read the guide ↗Crypto-Agility: Why It Matters More Than Picking Any Single Algorithm
Crypto-agility lets you swap cryptographic algorithms through a policy layer without rewriting apps. Here's why it beats betting on any single cipher.
Harvest Now, Decrypt Later — The Quantum Attack Already Targeting Your Data
Harvest Now, Decrypt Later is the quantum threat where attackers steal encrypted data today to crack it once quantum computers mature. Here's how to defend.
What Is ML-KEM (FIPS 203)? A Plain-English Guide to Quantum-Safe Key Exchange
ML-KEM (FIPS 203) is NIST's quantum-safe key-encapsulation standard that replaces RSA and ECDH key exchange. A plain-English guide.
The NIST Post-Quantum Standards Explained: FIPS 203, 204, 205 and 206
A plain-English guide to the NIST post-quantum standards — FIPS 203, 204, 205 and the draft FIPS 206 — and what they mean for your business.
Post-Quantum Cryptography Explained — The Complete 2026 Guide for Businesses
What post-quantum cryptography is, why quantum computers threaten RSA and ECC, and how to make your business quantum-safe. A plain-English 2026 guide.
How to Migrate to Post-Quantum Cryptography: A Step-by-Step 2026 Roadmap
A practical post-quantum cryptography migration roadmap for 2026 — inventory, prioritize, deploy hybrid edges, migrate PKI, and monitor.
Is Your TLS Quantum-Safe? How to Test Your Website's Encryption
Learn whether your site's TLS is quantum-safe by checking its key exchange group, and test it yourself in seconds with OpenSSL or a free scan.
The Small Business Cybersecurity Checklist for 2026
A practical small business cybersecurity checklist for 2026 covering identity, devices, data, email, network, incident response, and quantum readiness.
Symmetric vs Asymmetric Encryption, Explained Simply
Symmetric encryption uses one shared key; asymmetric encryption uses a public/private key pair. Here is how they differ, and why each matters.
USB Implant Attacks: How Malicious Cables Like the O.MG Cable Work — and How to Defend
How USB implant attacks and the O.MG cable hide malicious hardware in ordinary cables — and the practical defenses that keep you safe.
When Will Quantum Computers Break RSA Encryption?
When will quantum computers break RSA? Honest timelines, the Shor's algorithm threat, and why you must act now to protect long-lived data.
What Is Zero Trust Architecture? A Practical Guide for 2026
Zero Trust Architecture replaces the old perimeter with "never trust, always verify." A practical 2026 guide to NIST 800-207 for security leaders.