Trusence Technology, daily
Last updated 26 September 2026 Türkçe
← All stories
Security

Kiteworks asks customers to shut down servers over possible cyber threat

A precautionary six-hour outage aims to head off a potential attack, despite no confirmed breach or zero-day flaw.

After receiving threat intelligence about a possible attack on customer systems, Kiteworks advised users worldwide to take their servers offline for six hours on Saturday. In Central Europe, the requested shutdown ran from 4:00 a.m. to 10:00 a.m. on September 26. Kiteworks says it knows of no system compromise and describes the shutdown as a precaution rather than a response to a confirmed breach. The warning addresses possible zero-day attacks, but no unknown flaw has been confirmed as discovered or exploited; Kiteworks says release 9.5.1 fixes all known vulnerabilities. The company has not identified the law-enforcement agency behind the warning or a suspected attacker.

Why it matters

Kiteworks customers face planned downtime and uncertainty after being told to take systems offline worldwide based on a law-enforcement warning about a possible attack. The company frames this as a preventative step, says it has no evidence of a compromise, and points to its current release as fixing all known vulnerabilities, but it has not confirmed any zero-day flaw or disclosed who raised the alarm or which group might be behind the threat. This leaves organizations balancing service availability against caution while details remain scarce.

Sources

  • TechCrunch
  • BleepingComputer