The Winter Vivern Russian hacking group has been exploiting a Roundcube Webmail zero-day in attacks targeting European government entities and think tanks since at least October 11. The Roundcube ...

New Cyberattack From Winter Vivern Exploits a Zero-Day Vulnerability in Roundcube Webmail Your email has been sent After reading the technical details about this zero-day that targeted governmental ...

A vulnerability in the Roundcube email server platform is being actively exploited, the US government warns, urging its bodies to apply the patch and secure their instances sooner, rather than later.

According to ESET Research, Winter Vivern is a Russian hacking group that has been operating since 2020. The notorious cybercriminals reportedly target governments across Central Asia and Europe. The ...

A threat group tracked as APT28 and linked to Russia's General Staff Main Intelligence Directorate (GRU) has breached Roundcube email servers belonging to multiple Ukrainian organizations, including ...