This rivets marketers, but riles privacy advocates, who argue Yahoo and other Web sites must do more to shield their customers from unauthorized and overly intrusive tracking techniques.

FORBES: The Killer Ad Machine

Security Shield: This scareware is particularly tricky because the web crooks have created fake reviews on Facebook and Twitter that say the product works as advertised.

FORBES: Oscar Night Could Be An Award-Winner For Computer Viruses

Although Gordian had only purchased a single Web program from eDoc4u, Smith designed a customized program with wider capabilities for Blue Cross Blue Shield, anticipating that the larger company could afford and would need more services.

FORBES: Lost In Transaction