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Hackers exploit Roundcube webmail flaw to steal email, credentials

Threat actors have been exploiting a vulnerability in the Roundcube Webmail client to target government organizations in the Commonwealth of Independent States (CIS) region, the successor of the former Soviet Union. An attack was discovered by Russian cybersecurity company Positive Technologies in September, but the researchers determined that the threat actor activity had started in June. Roundcube Webmail is an…