In cybersecurity, the industry has long been obsessed with detection. Companies have invested millions in next-generation firewalls, Endpoint Detection and Response (EDR), and SIEM to ensure no intrusion goes unnoticed. Yet ransomware continues to cripple multinationals. For what ? Because seeing the fire break out is not enough to put it out.
The ultimate indicator of an organization's cyber maturity is not how many attacks it blocks, but how quickly it neutralizes those that get past initial defenses. This velocity is measured by a king indicator: theMTTR (Mean Time to Respond). Let’s decipher why this metric is vital and how to manage it effectively.
What is MTTR in cybersecurity?
MTTR (Mean Time to Respond or Resolve) represents the average time that elapses between the moment when a security alert is generated by the system and the moment when the threat is definitively neutralized by the Security Operations Center (SOC) team.
This deadline encompasses several critical phases:
- Time to Acknowledge:The time it takes for an analyst to take charge of the ticket.
- Time to Investigate:Time to analyze the logs, understand the Kill Chain and check if it is not a false positive.
- Eradication (Time to Remediate):Time to trigger the correct action (eg: isolate the machine, revoke the session).
Ransomware: The race against time
Why is MTTR so crucial today? Due to the automation of attacks. Modern ransomware (like LockBit or BlackCat) is no longer deployed manually by hackers who take their time. As soon as a user clicks on a phishing link and a PowerShell script runs, hard drive encryption or data exfiltration to an external server begins within minutes.
If your MTTR is measured in hours (because your SOC analyst has to juggle Microsoft Defender, Intune, and Entra ID, then ask permission to isolate the post), the battle is lost. The cost of a high MTTR is in the millions of euros (operating loss, ransom, GDPR fines).
Measure MTTR accurately with Akuity SOC
To improve a metric, you must first be able to measure it reliably. Unfortunately, extracting MTTR from a traditional SIEM or standard IT ticketing tool (like ServiceNow or Jira) is often biased. These tools do not distinguish between a false positive archived in 2 seconds and a real investigation lasting 45 minutes.
THEAkuity SOC Analysis Dashboardwas designed for cyber directors (CISO) and MSSPs.
1. The Dynamic Scorecard
At the top of the platform's KPIs page, a "Scorecard" displays the overall MTTR of the workspace, measured precisely in minutes. This calculation relies on strict timestamps from the database audit logs. It takes the exact delta between the alert being ingested via the Microsoft API and the status changing to “Resolved” by the analyst.
2. The Multi-Tenant filter
For an MSSP managing multiple businesses, overall MTTR doesn't always make sense. The “Dynamic Tenant Filter” allows you to target a specific customer. The system recalculates the MTTR on the fly. An MSSP can thus contractually prove (SLA) to its client that critical incidents affecting its tenant are resolved in less than 15 minutes.
How to drastically reduce your MTTR?
Measuring a 3 hour MTTR is one thing; reducing it to 5 minutes is another. To bring this metric down, you need to eliminate human friction (Operational Asymmetry). This is the promise of SOAR:
- Reduce investigation time:Gemini AI reads the raw JSON file and generates an instant summary. The Visual Kill Chain draws the attack. The analyst saves precious minutes.
- Reduce remediation time:Instead of changing interfaces, the analyst clicks on the action
isolateDevicedirectly in the Akuity evidence tab. The order is sent via the Microsoft Intune API in a fraction of a second, validated by its MFA.
Conclusion: Take control of time
Time is the only asset that attackers cannot steal from you, provided you know how to control it. By rigorously measuring your MTTR and lowering it with SOAR orchestration, you regain the tactical advantage.
Want to divide your response time by ten?> Manage your cyber performance with ourDashboards and SOC KPIsand finally reduce your MTTR.