...unlikely to ever be blacklisted. The fact that the service has such a huge number of pages overall also helps the spam sites stayundetected longer. According to Websense, the specially coded instructions the spammers send to their bots tell...
http://www.itworld.com/security/56209/captcha-ready-retirement
...disallowing APs that do not broadcast SSIDs in an enterprise LAN. Thus, given the above strategy, an unauthorized AP may stayundetected for a short time by spoofing an existing AP X near X’s location, beacon a valid SSID in the organization, and...
http://research.microsoft.com/users/ranveer/docs/diagnostics.pdf