Contributor: Satnam Narang
Attackers behind malicious spam campaigns have shifted their tactics in recent months and are increasingly attempting to infect victims by luring them into clicking on links rather than sending them malicious attachments.
Since late November, Symantec Security Response has seen a spike in the number of malicious emails using this tactic. Over the last six months, there were relatively few spam emails containing malicious links. For example, in October, only seven percent of malicious spam emails contained links. That number jumped to 41 percent in November and has continued to climb in early December.
While many malicious emails come with an attachment, organizations can block and filter these types of messages. Symantec believes that the Cutwail botnet (...