5.5 digital security Flashcards
1
Q
what is digital security
A
works on the computer system
e.g. usernames and passwords
e.g. file permissions
2
Q
what does antivirus do
A
scans devices to look for viruses and removes any it finds
needs to be frequently updated so the latest viruses are included in the database
3
Q
what does antispyware do
A
scans devices to look for spyware and removes any it finds
4
Q
what is encryption
A
data is made unreadable to unauthorise viewers
only those with the key can decrypt - this limits the impact of interception
5
Q
what does a firewall do
A
monitors networks and filter messages based as rules
can be hardware or software
