Types Of Network Attacks(Video)

Apr 15, 2009

Denial-of-Service Attack:
In DOS Attack after gaining access to your network, the attacker can do any of the following:

  • Randomize the attention of your internal Information Systems staff so that they do not see the intrusion immediately, which allows the attacker to make more attacks during the diversion.
  • Send invalid data to applications or network services, which causes abnormal termination or behavior of the applications or services.
  • Flood a computer or the entire network with traffic until a shutdown occurs because of the overload.
  • Block traffic, which results in a loss of access to network resources by authorized users.

The most common attacks on your systems are intrusions; with intrusions, people are actually able to use your computers. Most attackers want to use your computers as if they were legitimate users.

Buffer Overflows:
Buffer overflows are caused by users entering huge amounts of data into the forms of your website. This data is sent to the server an can cause the server to crash unexpectedly.

Session Hijacking:
A session is a link created once a user provides authentication (ie username and password) to gain access to a system or website. Session Hijacking is performed using tools that allow the hacker to take the authenticated user offline and then take over their session.

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How are ethernet Cat5E Cable and Cat6 cable different?

  • As streaming media applications such as video and multi-media become common, the demands for faster data rates will increase and create new applications that will benefit from the higher bandwidth offered by category 6.
  • Difference between category 5e and category 6 is in the transmission performance, and extension of the allowed bandwidth from 100 MHz for category 5e to 200 MHz for category 6.
  • Cat6 gives better insertion loss, near end crosstalk (NEXT), return loss, and equal level far end crosstalk (ELFEXT).
  • Because of its greater transmission performance and better immunity from external noise, systems operating over 6 cabling will have fewer errors vs. category 5e for current applications.

READ MORE - How are ethernet Cat5E Cable and Cat6 cable different?

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