LO6 6.6 Logical protection

Question 1

Tiered levels of access to data

Answer 1

-grant different types of permission to certain users
different access file levels
1 no access
2 read only - view not edit
3 read/write - view and edit

Question 2

Firewall

Answer 2

-prevent unauthorised access to or from a network
-filter data packets and block anything that is harmful
used to block access to specific sites and programs
can be form of a physical device which is connected to network
or software installed

Question 3

Anti-Malware

Answer 3

scans a system and removes viruses
anti spyware removes spyware so hackers cannot view data
organisations should install and update regularly

Question 4

Obfuscation

Answer 4

data is deliberately changed to be unreadable to humans but still understandable by computers
specialist software can be used for this

Question 5

Encryption

Answer 5

conversion of data into an unreadable format
can only be understood by an authorised system with a decryption key

Question 6

Encryption at rest

Answer 6

data is encrypted while it is being stored on a system or storage device

Question 7

Encryption in transit

Answer 7

is to secure data as it is being transferred between systems or on a network

Question 8

Usernames and passwords

Answer 8

usernames must be watched with a secure password to minimise unauthorised access from hackers
should contain letters, punctuation and numbers
needs to be regularly

Question 9

Electronic data shredding

Answer 9

removing data securely from access if hard drives or systems are passed on
required to comply with data protection act