The U.S. government and its allies said hackers have been exploiting the newly identified bug in Cisco networking gear around the world for years, and urged organizations to patch.
The two-line letter to the CIA’s director is the latest warning in recent years from a long-serving Democratic senator with knowledge of secret government programs and intelligence operations.
TechCrunch looks back at the biggest data breaches, disruptive cyberattacks, and damaging hacks of 2025, from the raiding of U.S. government databases to a hack every month in South Korea.