Winter Vivern APT exploited zero-day in Roundcube webmail software in recent attacks

Russia-linked threat actor Winter Vivern has been observed exploiting a zero-day flaw in Roundcube webmail software.

Russian APT group Winter Vivern (aka TA473) has been observed exploiting a zero-day flaw in Roundcube webmail software on October 11, 2023.

ESET researchers …

Russia-linked APT28 hacked Roundcube email servers of Ukrainian entities

Russia-linked APT28 group hacked into Roundcube email servers belonging to multiple Ukrainian organizations.

A joint investigation conducted by Ukraine’s Computer Emergency Response Team (CERT-UA) and Recorded Future revealed that the Russia-linked APT28 group hacked into Roundcube email servers belonging to …

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