How to Check Whether a TLS Connection Is Already Post-Quantum
Your browser, openssl s_client and curl can all show whether a connection negotiated X25519MLKEM768. Here's where to read the group name, what hybrid key…
Public-Key and Symmetric Cryptography: Which Half a Quantum Computer Breaks
A quantum computer running Shor's algorithm would break RSA, Diffie-Hellman and elliptic-curve cryptography. AES and SHA-2 only lose some margin to Grover's algorithm. Here's…
Third-Party Cryptographic Risk at Enterprise Scale
Regulators require an inventory of cryptography your suppliers are not obliged to disclose. Four governance artifacts that close the gap and keep third-party PQC…
Pick One Layer: Choosing the PQC Migration That Protects Most
Nested encryption composes in the defender's favor. One quantum-safe confidentiality layer protects the payload underneath it, which makes the first migration decision a choosing…
Mosca’s Theorem: Working Out Your Own Quantum Deadline
Mosca's Theorem is one line of arithmetic, and most organizations get two of its three variables wrong. Here is how to estimate each one…
When a Full Cryptographic Inventory Isn’t Possible
Enterprise-wide crypto discovery stalls in predictable places. Here is how to scope an inventory you can finish, and how to make the unexamined remainder…
What the Quantum Threat Means for the Board
The 2030 and 2035 deadlines are already written down. What quantum computing actually breaks, the arithmetic that fixes your date, and ten questions for…
Quantum Computing in Healthcare: A Field Guide for Health System Executives
Three quantum clocks run at different speeds in healthcare. Only one has a deadline attached. A field guide to sorting the budget item from…
Quantum in Government and Defense: A Field Guide to Three Decisions
Quantum in government and defense is mostly a procurement and workforce problem. A field guide to the migration deadlines, the claims worth grading, and…
Quantum Computing in Finance: What Has a Deadline and What Does Not
Quantum work in finance splits into two programs with different evidence, different owners and different urgency. A field guide to funding both correctly.