Most antivirus programs use "Default Allow," meaning they let files run unless they are known to be bad. Comodo uses , which only allows known safe files to run. Everything else is sandboxed until it is proven safe, providing a massive advantage against "zero-day" attacks. 3. Advanced Firewall and HIPS
Pro versions typically require purchase. Options usually include: Download Comodo Internet Security Pro
Comodo includes one of the industry's most highly-rated firewalls. It offers: Makes your PC invisible to hackers. Most antivirus programs use "Default Allow," meaning they