Security insights & guides
Shadow Mode: Testing Security Automation Before Trusting It
Design shadow mode for security automation: comparison queues, sample size, disagreement analysis, and per-action exit criteria before enabling execution.
How to Uninstall a Windows Update Across Hundreds of Endpoints
How to remove a bad Windows update from hundreds of endpoints with wusa, DISM and PowerShell, block reinstallation, and verify every build…
How to Clear a Vulnerability Backlog Nobody Wants to Touch
A practical method to clear a stalled vulnerability backlog: triage freeze, grouping by fix action, capacity-based burn-down, and intake gates.
Passive DNS: Mapping the Subdomains Nobody Documented
How passive DNS subdomain discovery works, why it never touches the target, and the validation criteria that keep stale records out of…
GDPR DPIA: When It Is Required and What Belongs Inside
GDPR DPIA requirements explained: Article 35 triggers, the nine WP248 criteria, required sections, prior consultation, and when to redo an assessment.
Nmap Timing Templates: Picking -T for Real Networks
How nmap's -T0 to -T5 templates actually change parallelism, retries, and timeouts, and how to tune scan-delay and RTT flags for real…
Why Your Security GPO Is Not Applying: Precedence Rules
A gpo not applying troubleshooting guide: precedence order, security filtering, WMI filters, gpresult analysis, replication delay, and registry checks.
A KEV Entry With No Patch: Your Options Before the Fix
A KEV entry with no vendor patch still demands action: the mitigation ladder, stopgap detection, and a risk acceptance record that survives…
The Real Cost of Sitting on a Vulnerability Backlog
How to price the cost of unpatched vulnerabilities: breach expectancy, audit cost, engineer hours, and deal friction, rolled into one finance-ready figure.
Why Container Scanners Report CVEs You Cannot Exploit
Container scanners flag CVEs in code that never runs. Learn to prove exploitability, handle distro backports, and write suppressions auditors will accept.