Passive Attacks And Active Attacks Essay

Passive Attacks And Active Attacks Essay

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Active Attacks
This is in contrast to passive attacks and in such a type of attack the attacker would not just intercept the message, but even modify it. An active attack can be defined as an attack where unauthorized individuals make modifications to messages, data streams or files (Tom Karygiannis, 2002). One of the main reasons for such attacks to be deadly is that even if we can detect them we are not always sure about how to avoid them. Active attacks are follows under this category:

1. Masquerading
In such type an attack an unauthorized, user would pose as a genuine user and would gain access to private information about the organization. In this, the attacker gain access of the system or will have more privileges then they are actually authorized for the data. Attacks can be made from someone inside the organization (employee) or either by taking advantage of a poorly configured access point. Such attacks are pretty common and now there are more advanced like cryptography, which can be used to avoid them.

2. Replay
In this the attacker monitors or gains unauthorized access of transmissions and then retransmits the message back. By monitoring this transmission the attacker could be able to gain more sensitive information and then it’s made unauthorized use such kind of the information. The main concern here is that when the organizations transmit sensitive information from one location to another an unauthorized user could intercept the message gain more knowledge and then retransmit back to the system as if nothing has happened to the data.

3. Message modification
In such a type of attack an unauthorized user would pose as a genuine one and then send messages to other authorized users. An unauthorized user would intercep...


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...ome almost inexpensive, it is gaining more popularity in all type of businesses. The inexpensive device brings the threat of security into the system and it becomes of utmost importance that no information leak happens in any form. The strength of a computer system’s security is always measured by its weakest component (Loo, 2008). Thus all the users should be given appropriate training on how to use secure their data when they are at home or at the corporate premises. A combined effort of users, employers and system administrators is required in order to fight against such malicious activities. Appropriate countermeasures in every form can help the organization minimize the risk of illegal penetration. Up to date tools, constant monitoring, proper management and appropriate countermeasures are all the ultimate weapons to fight against the wireless security attacks.

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