Email security systems miss thousands of malicious links

A new study from email security company Mimecast shows that malicious links in emails are being missed by many security systems. Mimecast examined more than 142 million emails that had passed through organizations' email security vendors. The latest results reveal 203,000 malicious links within 10,072,682 emails were deemed safe by other security systems -- a ratio of one unstopped malicious link for every 50 emails inspected. The report also finds an 80 percent increase impersonation attacks in comparison to last quarters' figures. Additionally, 19,086,877 pieces of spam, 13,176 emails containing dangerous file types, and 15,656 malware attachments were all missed… [Continue Reading]