Integrity

Question 1

What is Unauthorised Modification? How to avoid this?

Answer 1

• Data has been changed without permission by unauthorised users.
• Assigning permission to users can ensure that only certain users can access and make necessary modifications.

Question 2

What is Impersonation Attack? How to prevent this?

Answer 2

• Where the individual trying to access sensitive information or system is pretending to be an authorised user.
• Educating users and adhering to anti-social engineering practices.

Question 3

What is the MITM attack and Replay attacks? How can they be avoided?

Answer 3

• Man in the middle attack is when an hacker has interecpeted communication between two hosts, and alters communications send between users without them realising or passively listen.
• A replay attack involves capturing a valid response or data exchanged between two parties (such as a client and a server) and then maliciously reusing that same response or data later on to access a computer system or network.
• Using encryption such as Transport Layer Security protocols when communicating between hosts can prevent two attacks.