Network security

Network security

1. Firewall

   • A firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules.

2. Antivirus

   • Something that is design to kill viruses in the computer.

3. Password

   • Something that keeps your files and everything you want safe in your computer.
   • You should use symbols and Capital letters to make a good and safe password.

4. Encryption

   • Encryption is the most effective way to achieve data security. To read an encrypted file, you must have access to a secret key or password that enables you to decrypt it. Unencrypted data is called plain text ; encrypted data is referred to as cipher text.

5. Cryptography

   • Cryptography is used to protect digital data. It is a division of computer science that focuses on transforming data into formats that cannot be recognized by unauthorized users.

6. Lock up

   • A hang or freeze occurs when either a computer program or system ceases to respond to inputs. ... Often the cause is an interaction of multiple factors, making "hang" a loose umbrella term rather than a technical one.