Ukraine Says Russian Hackers Breached Telecom Giant Months Ahead of Cyberattack

Ukraine Says Russian Hackers Breached Telecom Giant Months Ahead of Cyberattack – Reuters

“For now, we can say securely that they were in the system at least since May 2023,” Ukraine's cybersecurity chief was quoted as saying.
https://www.themoscowtimes.com/2024/01/04/ukraine-says-russian-hackers-breached-telecom-giant-months-ahead-of-cyberattack-reuters-a83638