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 variety of small and medium businesses and governmental entities. According to ESET telemetry, the largest number of targets are located in Poland; however, victims in other European countries such as Ukraine, […]