Telefonica Breach Exposes Jira Tickets, Customer DataThe Hellcat ransomware group has stolen roughly 5,000 documents, potentially containing confidential information, from the telecom giant's internal database.#darkreading#EN#2025#Data-Breaches#Telefonica#Hellcat#ransomware·darkreading.com·Jan 15, 2025Telefonica Breach Exposes Jira Tickets, Customer Data
