Emails containing malicious URLs made up 88 % of all messages with malware-infested hyperlinks and attachments, underscoring the dominance of URL-based electronic mail threats.

The findings — disclosed in cybersecurity firm Proofpoint’s quarterly threat report for the month ending September — reveal the evolving sophistication of social engineering assaults concentrating on customers and organizations.

“E mail-based threats are among the many oldest, most pervasive, and widespread cybersecurity threats hitting organizations worldwide,” Chris Dawson, Menace Intelligence Lead at Proofpoint, advised TNW.

“From huge malware campaigns concentrating on hundreds of thousands of recipients with banking Trojans to rigorously crafted electronic mail fraud, the e-mail menace panorama is extraordinarily various, creating a variety of alternatives for menace actors to assault organizations,” Dawson added.

Another key traits to notice are the prevalence of sextortion campaigns, and the notable absence of Emotet botnet spam and ransomware assaults propagated through malicious emails.

“Ransomware remains to be a menace,” Dawson said. “Nonetheless, with quickly dropping cryptocurrency valuations, menace actors are having a tougher time monetizing their ransomware campaigns. As a substitute they’re turning to ‘quieter’ infections with banking Trojans and downloaders that may doubtlessly sit on contaminated machines for prolonged intervals, accumulating knowledge, mining cryptocurrency, sending spam, and extra.”