Threat intel, DFIR
and security notes
Deep-dives, investigation write-ups, tooling notes and transparent product updates from the Mlab team. Written for analysts who want the indicators, the method and the fix.
#detection-engineering
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Alert Fatigue Is a Design Problem, Not a Staffing Problem
SOCs do not drown because they lack analysts. They drown because the alert pipeline was never designed. Here is a framework for fixing it end to end.
Sigma Rules: The Complete Guide for Detection Engineers
Master Sigma from rule anatomy to SIEM conversion: logsources, field modifiers, condition logic, correlation rules and real detection examples for PowerShell abuse, LSASS access and persistence.
YARA vs Sigma: Which Detection Language for Which Job?
YARA matches bytes in files and memory. Sigma matches patterns in logs. A decision framework with side-by-side Mimikatz examples showing when to use each, and when to use both.
Mapping Your Detection Coverage to MITRE ATT&CK (Honestly)
Most ATT&CK heatmaps flatter the SOC that made them. Here is how to build a coverage map that measures depth, survives scrutiny, and tells you which gaps to close first.
A 421M decision model in front of our MCP output? Not yet
Studies, benchmarks and build notes. Method first, numbers included, losses too.
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