Summary: Telefónica, a major Spanish telecommunications company, confirmed a breach of its internal ticketing system after data was leaked on a hacking forum. The breach was executed using compromised employee credentials, leading to the theft of approximately 2.3 GB of sensitive documents and tickets.
Threat Actor: Hellcat Ransomware Group | Hellcat Ransomware
Victim: Telefónica | Telefónica
Key Point :
- Telefónica’s internal ticketing system was accessed unauthorizedly, leading to a data leak.
- The breach was attributed to compromised employee credentials, with attackers scraping sensitive data.
- The attackers, linked to the Hellcat Ransomware operation, did not attempt to extort Telefónica before leaking the data.