Security · 7h ago
MTTR vs. SLA Breach Rate: Which Security Metric Actually Matters?
A deep dive argues that Mean Time to Remediate (MTTR) is a flawed metric that hides risk, while SLA breach rate better exposes vulnerabilities. The 2026 Verizon DBIR shows exploitation overtook credential abuse, with median patch time rising to 43 days. CISA has retired its flat 14-day deadline, aligning with the shift toward SLA-based metrics.
Meridian48 take
The article makes a strong case that MTTR's averaging can mask dangerous backlogs, but the real test is whether teams can actually enforce SLA compliance at scale.
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MTTR vs. SLA Compliance: Which Security Metrics Actually Matter? →
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