Programs to secure and protect Windows PC

There are many different computer security programs available. Here are some of the most common types of computer security programs and their functions:

1. Antiviruses - protect your computer from viruses, Trojans, worms and other malware, scan files and monitor your system for threats.
2. Firewalls - control incoming and outgoing Internet traffic, blocking unwanted connections and protecting your computer from network attacks.
3. Antispyware - detects and removes spyware that might gather information on user activities without user consent.
4. Encryption - protect data from unauthorized access by encrypting it so that it can only be read with the appropriate key.

These types of programs are the most common and are used by many users to protect their computers.