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 Online's Editor's Choice Secures against internal and external attacks Blocks internet access to malicious Trojan programs Safeguards your Personal data against theft Delivers total end-point security for Personal Computers and Networks