When less is more: the growing impact of low-volume email attacksDescription : Here at Websense® Security Labs, we often blog about big malicious campaigns and how our products protect our customers from them. But what about smaller campaigns that are no less dangerous?
Broad campaigns often spoof notifications from well-known businesses, establishments, organizations, and agencies, and are very widespread these days. However, smaller volume campaigns sometimes can be as (or even more) dangerous by bypassing the victim's defenses.
Last week, the Websense ThreatSeeker® Network intercepted one such campaign. This small-volume, malicious campaign targeted businesses with legitimate-looking email that refer to items like purchase orders, quotes, and supply information. All of these email had attachments that install variants of the popular Zeus malware on the victim's computer.
Websense Cloud Email Security quarantined these email as containing a potential virus before most of the malicious attachments were detected by antivirus (AV) engines. ACE, our
<span style="color: #25528b;"]Advanced Classification Engine</span>, provides the extra layers of protection that help Websense Cloud Email Security protect customers against a wide array of threats.
<img alt="" border="0" src="http://community.websense.com/resized-image.ashx/__size/550x0/__key/CommunityServer.Blogs.Components.WeblogFiles/securitylabs/7610.mal_5F00_attached_5F00_PO_5F00_blur.jpg" />...(
read more)
Lien : http://community.websense.com/blogs/securitylabs/archive/2012/10/04/When-less-is-more-the-growing-impact-of-low-volume-email-attacks.aspx