The number of security threats via e-mail is increasing again, according to a new study by Trend Micro.
The company’s latest report, based on data from products that complement native protection along with platforms like Microsoft 365 and Google Workspace, states that more than 33.6 million cloud email threats were blocked in 2021 – an increase of 101% compared to the previous year.
Over the past year, the largest increase was observed in emails containing previously unidentified malware – 221%. For known malware, email security services blocked 3.3 million malicious files, up 134% compared to 2020. For phishing, 16.5 million attacks were blocked, a 138% increase over the previous year. Credential phishing attacks increased 15% to 6.3 million cases.
Ransomware in retreat
The bright spot in the news is the drop in ransomware detections. Year over year, the number of ransomware detected has decreased by 43%, the report says, although the authors suggest that the decrease…