Proofpoint researchers identify a new ransomware variant known as Hades Locker sent via the same spam botnet as recent CryptFile2 and MarsJoke campaigns.
Proofpoint researchers uncover a new ransomware variant called MarsJoke in a large campaign targeting government and educational institutions.
Proofpoint researchers track new tools and techniques for evading sandboxes and improving targeting while an actor distributes personalized lures and the Ursnif banking Trojan to Australian targets.
A newly patched zero-day vulnerability discovered by Proofpoint researchers demonstrates how threat actors are increasingly filtering out researchers and sandboxes in their attacks.
Proofpoint researchers track a phishing campaign that demonstrates far more sophistication than the vanilla financial and credential phishing attempts with which most users are familiar.
In early 2016, Proofpoint researchers identified a new form of social media-based phishing attack, called angler phishing. The attack technique takes its name from the anglerfish, which uses a glowing lure to entice and attack smaller prey.
Proofpoint researchers track recent significant updates including Tor network and P2P communications in one of the most active Ursnif variants exploring campaigns across multiple geographies.
Proofpoint researchers have been tracking numerous small Dridex campaigns over the past few months, as well as a mid-sized campaign this week that point not to the displacement of Dridex by Locky but rather far more targeted distribution of the infamous banking Trojan, as well as potential impact in new geographies.
Proofpoint researchers track a large 2-day campaign employing the Zeus Panda banking Trojan to target banks in Europe and Australia, international online payment systems, and, interestingly, UK online casinos.
Proofpoint researchers take a closer look at current trends in malicious email messages and spam related to the upcoming election.