Just when malware design seemed to have reached a plateau, new and more complex attack techniques have now emerged. For a while, security controls designed to manage spam, viruses, and malware were working, but as a result of this success, the threats they protected against were forced to change. Learn about today’s key security trends and how you can fight against the sophisticated new generation of Internet threats.
Usually consisting of a GIF or JPEG file, and often touting low-priced stocks to buy or a toll-free number to call for ordering drugs, these non-text attachments easily slipped by anti-spam engines that relied on keywords and text classification to sort out good content from bad. 2007 has seen a proliferation of different attachment types used in spam. Spammers are using these different attachments in order to try and get past email security gateways that are unable to look into complicated file types