CHARONSecurity Notes

Security, without the noise.

Short, practical notes on the controls that actually stop attacks, from people who spend their days testing them.

AccessOctober 21, 2026

Least privilege: the cheapest control you are not using

Most breaches get worse because an account could do far more than its job required. Trimming access is unglamorous and it works.

ResilienceOctober 9, 2026

Backups are a security control, not an IT chore

Ransomware turned backups into the last line of defence. Here is how to make sure yours survive the same attack that hits production.

Human factorSeptember 24, 2026

Phishing still works. Train for the click that will happen

No awareness program gets the click rate to zero. Design your defences for the day someone types their password into the wrong page.

OperationsSeptember 8, 2026

Why patching still decides most breaches

Zero-days get the headlines, but known vulnerabilities with available fixes remain the most reliable way in. A boring process beats a heroic one.