Russia-Linked APT28 Exploited MDaemon Zero-Day to Hack Government Webmail Servers The Hacker [email protected] (The Hacker News)

A Russia-linked threat actor has been attributed to a cyber espionage operation targeting webmail servers such as Roundcube, Horde, MDaemon, and Zimbra via cross-site scripting (XSS) vulnerabilities, including a then-zero-day in MDaemon, according to new findings from ESET.
The activity, which commenced in 2023, has been codenamed Operation RoundPress by the Slovak cybersecurity company. It has A Russia-linked threat actor has been attributed to a cyber espionage operation targeting webmail servers such as Roundcube, Horde, MDaemon, and Zimbra via cross-site scripting (XSS) vulnerabilities, including a then-zero-day in MDaemon, according to new findings from ESET.
The activity, which commenced in 2023, has been codenamed Operation RoundPress by the Slovak cybersecurity company. It has 

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