McCarthy Tétrault security incident history
Hacking, data breaches and other security incidents involving McCarthy Tétrault, with related coverage.
Phishing attacks breach client data at four major Canadian law firms
Impact: Four major Canadian law firms breached; approximately 31,000 files stolen from McCarthy Tétrault
Four major Canadian law firms had employee accounts and client-related data compromised through phone and Microsoft Teams phishing attacks impersonating internal IT support staff. At McCarthy Tétrault, approximately 31,000 files, including client-related data, were stolen, and the firm discovered the incident on October 22 and notified affected parties, law enforcement, and regulators. At Bennett Jones, two employee accounts were compromised, resulting in the theft of client-related revenue reports and some work description documents, while Borden Ladner Gervais brought in Mandiant to investigate a cloud breach.
Related reports: 17 · last report →