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ServiceMaster of Ottawa Data Breach: The Gentlemen Ransomware Claim (Oct 2026)

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HookPhish team
Target organization ServiceMaster of Ottawa svmottawa.ca Professional Services

Summary

In the latest cybersecurity news, ServiceMaster of Ottawa — an organization based in CA — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-10-16T09:32:12.716140+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.

Incident Report

Attribute Information
Target Organization ServiceMaster of Ottawa
Threat Group thegentlemen
Summary svmottawa.ca ServiceMaster of Ottawa Canadian property restoration and commercial cleaning company (legal entity 1351120 Ontario Inc.), a ServiceMaster franchise since 1969 — owned since 2006 by John Cooke. HQ at 180 Wescar Lane, Ottawa (Carp/Richmond), ~140 staff, 24/7/365 emergency service across the National Capital Region. Core: water/fire/mold remediation, asbestos removal, reconstruction, odor control, janitorial — backed by IICRC techs, HCRA license B62544, Tarion, WSIB+liability, Restore 365/Xactimate. Record: 40,000+ customers served; Cooke won ServiceMaster’s “Brand Ambassador of the Year” 2026, “Mid-Market Business of the Year” (Ottawa Chamber, 2008). Reputation mixed (3.8–4.3/5, 313+ reviews) — excellent on small jobs and named techs (Ryan Potestio, Jeff Jerome)
Date of Breach 2026-10-14T20:12:03+00:00
Discovery Date 2026-10-16T09:32:12.716140+00:00
Region CA
Target Domain svmottawa.ca
Business Sector Professional Services

 

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Disclaimer

HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.

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