Winter Vivern Exploits RoundCube Zeroday Exploit
Winter Vivern (aka TA473 and UAC-0114), a threat actor strongly aligned with Russia, is once again making headlines for targeting government organizations in Europe. The group was found to exploit…
Winter Vivern exploits Zimbra Vulnerability
Researchers have spotted a phishing campaign from the Russian APT group known as Winter Vivern, TA473, and UAC-0114 exploiting a vulnerability in Zimbra Collaboration software to hack the emails of government…