Kiteworks six-hour shutdown advisory
Advisory/Mitigation
Summary
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Kiteworks issued a worldwide precautionary shutdown advisory after receiving credible threat intelligence that a potential attack on Kiteworks systems may be imminent. Customers were told to take servers offline for six hours on Saturday, September 26, including systems that are not directly exposed to the internet. The company said the warning is preventative, not a response to a confirmed breach, and urged customers to keep running version 9.5.1 with all known vulnerabilities addressed.
Timeline
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26.09.2026 00:41 1 articles · 2h ago
Kiteworks warns customers to shut down servers for six hours
Initial DisclosureKiteworks told customers worldwide to shut down Kiteworks systems for six hours after receiving credible threat intelligence from law enforcement and federal authorities indicating a potentially imminent attack on Kiteworks systems; the company said the advisory was preventative and not a response to a confirmed breach.
Show sources
- Kiteworks urges 6-hour server shutdown over potential zero-day attacks — www.bleepingcomputer.com — 26.09.2026 00:41
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26.09.2026 00:41 2 articles · 2h ago
Kiteworks sets a Saturday shutdown window for worldwide customers
Untyped PhaseKiteworks set a six-hour precautionary shutdown window for customers worldwide on Saturday, September 26, instructing them to take Kiteworks systems offline before the scheduled window even if the systems are not directly accessible from the Internet.
Show sources
- Kiteworks urges 6-hour server shutdown over potential zero-day attacks — www.bleepingcomputer.com — 26.09.2026 00:41
- Kiteworks urges 6-hour server shutdown over potential zero-day attacks — www.bleepingcomputer.com — 26.09.2026 00:41