ESET Threat Report: Attempts to exploit MS Exchange and massive waves of password guessing were the most frequent intrusion vectors

The exclusive research included in the report provides previously unpublished information about APT group operations: ProxyShell exploitation; OilRig campaign and activities by the infamous cyberespionage group the Dukes (aka Cozy Bear). ProxyLogon vulnerability was the second most frequent external attack vector in ESET’s 2021 statistics, right after password-guessing attacks. Microsoft Exchange servers fell under siege … More ESET Threat Report: Attempts to exploit MS Exchange and massive waves of password guessing were the most frequent intrusion vectors