Kiteworks urges 6-hour server shutdown over potential zero-day attacks

September 25, 2026 · BleepingComputer · Severity: CRITICAL

Secure file-sharing software company Kiteworks is urging customers worldwide to temporarily shut down their servers on Saturday for a six-hour window after receiving threat intelligence warning of a potentially imminent cyberattack.

Key Takeaways

According to BleepingComputer, this cybersecurity development warrants attention from teams monitoring the evolving threat landscape.
Given the CRITICAL severity rating, organizations should prioritize remediation in their vulnerability management workflow.
Security teams should review their exposure to this development and implement appropriate defensive controls.