Security Attacks - Computer Security

Attacks are known as the unnecessary and unwanted activities are done by hackers or attackers. Which can cause the huge loss in information and data processing system? There are two types of Attacks #1 Passive Attack, #2 Active Attack. 

#1 Passive Attack: It is the process of miss using information but it doesn't affect any system resources. In passive attacker will monitor each and every transmission of the information and it doesn't harm the system. 

#Active Attack: It doesn't pretend to be a threat they directly affect the operational systems and resources. Inactive attack the goal of the attacker will be monitoring information and modification of the information and they will pretend they are the right user.