Comodo Internet Security - Software Details

Comodo claim that their firewall is unique in that it passes all known leak tests to ensure the integrity of data entering and exiting your system

Comodo has put firewall through all kinds of sophisticated tests to ensure its firewall powerful enough to ward off these attacks with default settings. No other firewall has had to work this hard.

PC Magazine Onlines Editors Choice
Secures against internal and external attacks
Blocks internet access to malicious Trojan programs
Safeguards your Personal data against theft