Digital security

Question 1

Anti-malware

Answer 1

An antivirus software that scans a system that removes viruses to prevent deleted/corrupted data and unauthorised access.

Question 2

Permissions

Answer 2

The creation of different levels of file access so that only authorised people can access and change files e.g. no access, read only, read write

Question 3

Encryption

Answer 3

The conversion of data into an unreadable format so that it cant be understood if intercepted. Can only be understood using a decryption key.

Question 4

Firewall

Answer 4

They prevent unauthorised access to or from a network. They filter data packets and block any thing harmful, specific websites and programs

Question 5

Usernames and passwords

Answer 5

Usernames must be matched with a password to minimise chances of unauthorised access. Passwords must have and upper and lower case, number, punctuation, special characters and over 8 characters