Att Hacked 2025 Update 2025. Techrepublic looks back at the biggest cybersecurity stories of 2025, from record data breaches to rising ransomware threats and ciso burnout. Amid an unprecedented cyberattack on telecommunications companies such as at&t and verizon, u.s.

An at&t store in new york. In 2025, at&t faced significant data breaches that exposed sensitive customer information, including personal details and telecom data.