[CS-FSLUG] Unleash the BlackSheep

Fred A. Miller fmiller at lightlink.com
Thu Nov 11 23:38:51 CST 2010

Researchers from security firm Zscaler have published free software that 
detects when users' web connections are being monitored by a 
controversial tool that steals log-in credentials from Facebook, Google 
and dozens of other websites.

Dubbed BlackSheep, the Firefox extension alerts users when computers on 
a local area network are using FireSheep to steal unencrypted cookies 
the websites use to grant users access to their account pages. When 
BlackSheep detects the snoop software in a hotspot or other open Wi-Fi 
network, it displays a message that reads "Somebody is using FireSheep 
on this network." It then displays the LAN IP address of the offending 


"Those who hammer their guns into plows will plow for those who do not."
Thomas Jefferson

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