encryption

Question 1

What can I do to protect my data?

Answer 1

• A good password is easy to remember, but hard for someone else to guess it
• If your password is your pets name, your birthdate etc. it will be easy to guess
• Use multi factor identification

Question 2

what are the 3 levels of password protection

Answer 2

Singe factor identification - something you know, your password might be ‘password’
* Two factor identification - something you know + something you possess (for example, your phone sending you a code)
Multi factor identification - something you know + something you possess +something you are (for example, your fingerprint, your face ID)

Question 3

how do you protect your device from viruses

Answer 3

• Virus software scanning
• Updating system software
  Data protection is a moving target! It’s important to keep your software up to ate and use the best authentication

Question 4

what is the ceaser cipher

Answer 4

· Julius Caesar is reported to have encrypted messages to his soldiers by using a simple alphabetic shift.
· Shift of 4
· Need to agree in advance so people know - like a protocol
· Used for hundreds of years after Caesar died.
· Check the letter frequency analysis.
· They count up the frequency.
· It was a blow to the security g the Caesar cipher.
Always go’s to the right

Question 5

what is brute force

Answer 5

· Keep kicking the house until the door falls down.
· If you brake unto a locker - use description

Question 6

whats encryption

Answer 6

Many of the ideas we use to keep secrets in the digital age are far older than the internet. It helps to protect users’ information, using “walls.”

· The process of encoding a plain text message in some secret way is called encryption.
· The process that reverses encryption, taking secret message and reproducing the original plain text is called decryption.
· We turn it in to cyphertext.