Difference between Active Attack and Passive Attack

Prerequisite – Types of Security attacks | Active and Passive attacks
Active Attacks:
Active attacks are the type of attacks in which, The attacker efforts to change or modify the content of messages. Active Attack is danger for Integrity as well as availability. Due to active attack system is always damaged and System resources can be changed. The most important thing is that, In active attack, Victim gets informed about the attack.





Passive Attacks:
Passive Attacks are the type of attacks in which, The attacker observes the content of messages or copy the content of messages. Passive Attack is danger for Confidentiality. Due to passive attack, there is no any harm to the system. The most important thing is that In passive attack, Victim does not get informed about the attack.







Difference between Active Attack and Passive Attack:

S.NO Active Attack Passive Attack
1. In active attack, Modification in information take place. While in passive attack, Modification in the information does not take place.
2. Active Attack is danger for Integrity as well as availability. Passive Attack is danger for Confidentiality.
3. In active attack attention is on detection. While in passive attack attention is on prevention.
4. Due to active attack system is always damaged. While due to passive attack, there is no any harm to the system.
5. In active attack, Victim gets informed about the attack. While in passive attack, Victim does not get informed about the attack.
6. In active attack, System resources can be changed. While in passive attack, System resources are not change.



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