ESET researchers, during their regular monitoring of the cyberespionage operations of Winter Vivern, discovered that the group recently began exploiting a zero-day XSS vulnerability in the Roundcube Webmail server. In an XSS attack, malicious scripts are injected into otherwise trusted websites.Read More…

ESET researchers have uncovered a mass-spreading phishing campaign aimed at collecting Zimbra account users’ credentials. The campaign has been active since at least April 2023 and is still ongoing. Zimbra Collaboration is an open-core collaborative software platform, a popular alternative to enterprise email solutions. The campaign’s targets are a varietyRead More…