bpost

bpost was compromised in a ransomware attack attributed to tridentlocker in December 2025. The organization, operating in the Telecommunications sector in Belgium, was added to the group's data leak site as part of an extortion campaign.

tridentlocker operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.