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ownCloud Users Urged to Enable MFA Amid Credential Theft Reports

ownCloud Users Urged to Enable MFA Amid Credential Theft Reports

First seen 7 Jan 2026, 16:46 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

ownCloud has advised its users to activate multi-factor authentication (MFA) following reports of credential theft that could allow attackers to access sensitive data. The warning comes as a threat actor, Zestix, is reportedly selling stolen corporate data from multiple companies, including ownCloud instances, after gaining initial access through info-stealing malware. The malware is typically distributed via malvertising campaigns or ClickFix attacks.

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