Symantec Hosted Services News Release Sample

Analysis of the domains used to form these hyperlinks show that there are some domains more frequently used than others, many of which are actually legitimate and appear several times. Others are registered and used within a few days for particular short-lived spam runs; these may perhaps be considered as disposable domains.

Of the most frequently occurring domains found in spam URLs, the top four are legitimate and belong to major well-known websites used for social networking, blogging, file-sharing and other forms of user-generated content.