perimeter security
3 posts
Article
Nginx patched. Assume breach.
NGINX issued the nginx-poolslip patch. Operator analysis of what is confirmed, what is not, and what must change at the proxy boundary.
Article
Microsoft Exchange zero-day hits unpatched servers
Microsoft Exchange zero-day under active exploitation. What failed, why vendor trust is a perimeter control, and what operators must do now.
Article
Why Your Firewall Rules Are Already Outdated
Most firewall rule sets have 30-60% dead rules. Here's why rule bases decay, what encrypted traffic and cloud migration did to perimeter security, and what to do about it.