A file with an appetising name, a false credential, a DNS that does not answer: none of this protects an asset, and yet it tells you who got in. The story and use of canary tokens, from cartographers to AWS containers.
Honeypot, honeynet, honeytoken, deception technology: one continuous line running from Cliff Stoll to dynamic microsegments. Why lying to the attacker remains one of the cheapest countermeasures we have.
No software is immune, but almost everything we discover does not concern us. A practical guide to triage: reachability, exposure, real exploitability and the moment when the patch really goes before everything else.