Case Study

Rapid Detection and Containment of a Qilin Ransomware Attack

A three-week dwell period, 45 encrypted devices, and a backup infrastructure under active destruction — see how Critical Start's SOC isolated the environment and severed C2 in just 7 minutes.
Critical Start
July 31, 2026
3 min read
Case Study

PowerShell Backdoor Containment & Mitigation

A phishing email, a PowerShell backdoor built to evade detection, and 23 minutes standing between initial access and full containment — see how Critical Start's SOC shut down an advanced C2 channel before it could exfiltrate data.
Critical Start
July 31, 2026
2 min read
Case Study

Legitimate Website Compromise Averted

A trusted domain, a malicious Word doc, and a "low priority" alert that almost got closed — see how Critical Start's SOC recognized the real threat and shut it down in 18 minutes.
Critical Start
July 31, 2026
2 min read
Case Study

Email Bombing & Account Compromise

Four employees, one lookalike "IT Support" account, and a chain of Microsoft-signed tools built to slip past every file-reputation check — see how Critical Start's SOC untangled a coordinated social engineering campaign in 13 minutes.
Critical Start
July 31, 2026
3 min read
Case Study

AiTM Credential Harvesting Attack Contained in 17 Minutes

When an attacker bypassed MFA with a proxy-based phishing kit, Critical Start's SOC turned a low-priority alert into a full containment — revoking sessions, resetting credentials, and shutting the door in just 17 minutes.
Critical Start
July 31, 2026
2 min read
Press Release

Critical Start Appoints Francine Geist as Chief Executive Officer

Critical Start announces the appointment of Francine Geist as Chief Executive Officer, effective immediately. Geist succeeds Scott White as part of a planned leadership transition.
July 22, 2026