Protecting Data: Tools and Techniques

Question 1

File permissions

Answer 1

this ensures access is restricted to those who need it.

Question 2

Physical access control

Answer 2

these prevent unauthorised access using locks, biometrics,etc.

Question 2

Passwords

Answer 2

passwords limit access by ensuring users keep a secure password to access system.

Question 2

Digital Certificates

Answer 2

allow secure data transfer using public key encryption.

Question 3

Backup and recovery procedures

Answer 3

these ensure that data can be recovered following any loss of data

Question 4

Protocols

Answer 4

define data transfer processes to ensure secure transfer

Question 5

Data protection tool: Antivirus

Answer 5

detects and removes viruses and other malware from a computer system, must be regularly updated as new viruses are created regularly

Question 6

data protection tool: Firewalls

Answer 6

Monitor network traffic into and out of an IT system; block suspicious traffic to prevent unauthorised access, they are however not 100% effective- security holes can be exploited, e.g in outdated software

Question 7

Data protection tool: Encryption

Answer 7

the conversion of data into an unreadable code known as ciphertext, encryption keys must be maintained and kept secure, A lost key means the data is irretrievable.