NETWORK SECURITY

NETWORK SECURITY

1. ENCRYPTION

   • CIPHER
     • A cipher is any method of encrypting text It is also sometimes used to refer to the encryption
   • it is most widely used symmetric-key cipher. Symmetric-key encryption is much faster than asymmetric encryption.
   • This means that every time you power your phone on, you'll need either a numeric pin or password to decrypt the device.
   • encrypt a message

2. PHYSICAL SECURITY

   • Physical security is the protection of personnel, hardware and software

3. ANTIVIRUS

   • is to protecte or remove viruses

4. FIREWAL

   • used protect a computer network from intruders.
   • used when program is trying to connect to another network

5. PASSWORD

   • PASSWORD IS A DEFENCE OR LOCK SO THAT PEOPLE CANT USE OR ACCESS YOUR STAFF