Trans-Northern Pipelines investigating ALPHV ransomware attack claims

Trans‑Northern Pipelines reported a November 2023 cybersecurity incident involving a limited number of internal systems; the ALPHV/BlackCat ransomware group claims to have stolen and published 183GB of company documents and added TNPI employee contact information to its leak site. TNPI says operations remain safe while third‑party cybersecurity experts investigate; ALPHV/BlackCat is a highly active ransomware operation linked to many prior breaches and large ransom demands.