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 pointed out that is a different vulnerability than CVE-2020-35730, that the group exploited in other attacks. The Winter […]
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 multiple Ukrainian organizations. The APT28 group (aka Fancy Bear, Pawn Storm, Sofacy Group, Sednit, BlueDelta, and STRONTIUM) has been active since at least 2007 […]