A malware group has been busy creating a dangerous new vulnerability in the Roundcube webmail service, which is popular in European government circles. What makes this issue so important is that is a ...

ESET Research has been closely tracking the cyberespionage operations of Winter Vivern for more than a year and, during our routine monitoring, we found that the group began exploiting a zero-day XSS ...

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 ...

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 ...

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 ...