Canada Post Customers Affected by Ransomware Attack at Supplier

October 26, 2022


Canada Post disclosed that a third-party supplier named Commport Communications suffered a ransomware attack where threat actors accessed data stored in their systems. This accessed data includes shipping manifest data for large parcel business customers, including sender and receiver contact information, names, and mailing addresses.

In total, the breach affected 44 Canada Post commercial customers and 950,000 receiving customers.

Incident Date

May 26, 2021



Estimated Cost


Type of Malware

No Malware identified