Security

Security

1. Passwords

   • Needs to be made up of
     • Letters
     • Numbers
     • Characters
     • Symbols
   • An example of a secure password is
     • 7paSSworddrowSSap7
     • SwA(nSE)Aja(ck)6
     • (M)(i)PHILLIPS(l)(l)(y)

2. Encription

   • Caeser Shift Cipher is a simple cipher which moves the letters to the left or right by a specific amount of placs
   • Morse code is a digital signal transmitted by light, radio waves and electrical pulses. Letters and numbers are represented by dots and dashes. A dash lasts three times longer than a dot,
   • Steganography means the hiding of a secret message within an ordanary message and the extraction of it at its destination.
   • Cryptography means the art of solving a code.
   • To decipher you need a key.
     • The key is called Cypher.

3. Anti Virus

   • A software designed to detect viruses and destroy them

4. Firewall

   • In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
   • Proxy Firewall
     • Proxy firewalls are considered to be the most secure type of firewall because they prevent direct network contact with other systems. (Because a proxy firewall has its own IP address, an outside network connection will never receive packets from the sending network directly.)
     • A proxy firewall is a network security system that protects network resources by filtering messages at the application layer. A proxy firewall may also be called an application firewall or gateway firewall.