Kiteworks Urges Customers to Shut Down Systems Over Imminent Threat

Kiteworks urged customers on September 25, 2026 to shut down Kiteworks file-transfer systems before the weekend amid an imminent cyberattack threat. CISO Frank Balonis cited credible law enforcement threat intelligence. The company reported no known compromise. Central European customers were advised to go offline September 26, 4 a.m. to 10 a.m.