Mapa mental
Encryption

Mind map: encryption
Contenido del mapa
Encryption
To create an encrypted message you need to make a cipher so you can work out what each letter/word is.
An encryption is where data is scrambled up into an unknown sequence of numbers, symbols and numbers.
To decrypt a message you need the key so you can work out what it says.
The point of having encrypted message is so it can protect personal data, so that nobody can access your data.
A firewall is an action taken place by seperating all the bad virus' which try and attack your device. This is good that you don't have to deal with it yourself.
An anti-virus software is a software is an action taken place to report any virus' to you so you can get rid of it, this is good so that you can see what virus it is and not to fall for the same thing again
We need both fire wall and anti-virus because they both do different jobs which are very important to us which stop us from getting hacked or receiving viruses.
You need to control which programmes can send and recieive data packets, this is because you can act on what viruses come into your device. Also if you don't you won't know what virus is affecting you.