Case Study: Stamm Tech achieves rapid detection and prevention of business email compromise with Huntress MDR for Microsoft 365

You’ve Not Got Mail The Strange Case of Missing Letters and Multi-Factor Authentication

Stamm Tech, a Milwaukee-based IT services firm, faced a sophisticated business email compromise that included malicious inbox rules created on a CEO’s account and coincident physical mail going missing — signs an attacker was targeting specific bank relationships. Within the first week of rolling out Huntress MDR for Microsoft 365, Huntress flagged the suspicious rules and triggered an investigation.

Huntress’ MDR and 24/7 SOC automatically removed the malicious rules, alerted Stamm Tech (the client was contacted within five minutes), and guided reset of logins and MFA device cleanup, limiting downtime to about an hour. By uncovering targeted bank-focused activity early, Huntress helped prevent potential unauthorized bank access and wire transfers, delivering rapid remediation and averting significant financial damage.

Stamm Tech

Bryan Heindel

Director of IT