Currently, there are many firewalls, but not one is on par with the most popular and powerful of the lot, ZoneAlarm. The free version of the most acclaimed firewall of recent times reaches the public.
ZoneAlarm Free, as you well know, is a tool meant for protecting computers against possible hacker attacks. This excellent utility controls access to any kind of data in the computer.
With respect to its operation, it is possible to point out its amazing versatility of states, this means that it brings the possibility of selecting different security levels and also will monitor the permissions of each programme relating to the Internet.
Also, it has an extremely simple graphical interface and we can consult it any time, because ZoneAlarm is in a latent state in the task bar.
This is a must-have utility on any computer.