Case Study: Private Equity Firm achieves threat visibility and reduced admin overhead with Proofpoint

How Tessian Helped a Private Equity Firm Achieve Threat Visibility Through a Platform Approach

A Boston‑headquartered private equity firm with nearly 200 employees and more than 35 years of investment history struggled with fragmented email security and high admin overhead—security staff had to log into multiple tools and lacked a single view of outbound risk, accidental data loss, and advanced impersonation attacks.

By deploying Tessian Guardian and Enforcer, the firm gained an ML‑driven platform with Risk Hub visibility plus Azure AD and SIEM integrations, enabling automated prevention of misdirected emails and data exfiltration and faster, group‑level incident response. The result was unified threat visibility, reduced admin effort, far fewer and more accurate user warnings (about two per employee per month), and an improved security posture with lower false positives and increased user trust.