Kiteworks Urges 9-Hour System Shutdown After Federal Threat Intelligence Warning

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Secure file transfer company Kiteworks has asked its customers to shut down their systems for a nine-hour window this weekend after federal intelligence authorities warned that a threat actor may attempt to target some of its systems. The company, formerly known as Accellion, says no customer breach has been confirmed and describes the measure as purely precautionary. Kiteworks has not disclosed which agency issued the warning, the identity of the threat actor, or the specific vulnerability or attack vector involved. Customers were notified via email and are also advised to upgrade to software release 9.5.1, which the company says resolves all known vulnerabilities. Subsidiaries including Zivver, DRACOON, ownCloud, and 123FormBuilder are reported to be unaffected by the advisory.

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