5 lessons from vulnerability management's front lines

**Executive summary:** Semgrep's analysis shows that high-performing AppSec teams achieve much higher fix rates by embedding security into development workflows (PR scanning), applying calibrated PR-blocking and custom rules, using reachability analysis to prioritize exploitable findings, leveraging AI to reduce triage burden, and preventing findings from aging in backlogs — the gap between leaders and the field is primarily systematic execution rather than detection capability.