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What is Trojan horse?

August 19th, 2009

Trojan horse is a malicious software program code that masquerades itself as a normal program. When a Trojan horse program is run, its hidden code runs to destroy or scramble data on the hard disk. An example of a Trojan horse is a program that masquerades as a computer logon to retrieve user names and password information. The developer of a Trojan horse can use this information later to gain unauthorized access to computers. Trojan horses are normally spread by e-mail attachments. Unlike viruses, Trojan horses do not replicate themselves but only destroy information on hard disks.

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Posted in A+, A+ 2009, A+2006, CIW Associate, CIW Associate Design Specialist, CIW Certified Security Analyst, CIW Professional, MCSA, MCSA 2000, MCSE, Master CIW Administrator, Master CIW Designer, Master CIW Enterprise Developer, Master CIW Web Site Manager

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What is dictionary attack?

August 19th, 2009

Dictionary attack is a type of password guessing attack. This type of attack uses a dictionary of common words to find out the password of a user. It can also use common words in either upper or lower case to find a password. There are many programs available on the Internet to automate and execute dictionary attacks.

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Posted in A+, A+2006, CIW Associate, CIW Associate Design Specialist, CIW Certified Security Analyst, CIW Professional, MCSA, MCSA 2000, MCSE, Master CIW Administrator, Master CIW Designer, Master CIW Enterprise Developer, Master CIW Web Site Manager

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What is WTLS?

August 19th, 2009

Wireless Transport Layer Security (WTLS) is a security layer of WAP, which is specifically designed for a wireless environment. It provides privacy, data integrity, and authentication for client-server communications over a wireless network. WTLS ensures that a client and server are authenticated so that wireless transactions remain secure and the connection is encrypted. WTLS is required because a wireless network does not provide end-to-end security.

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Posted in A+, A+ 2009, CIW Associate, CIW Associate Design Specialist, CIW Certified Security Analyst, CIW Professional, Master CIW Administrator, Master CIW Designer, Master CIW Enterprise Developer, Master CIW Web Site Manager

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What is active detection?

August 19th, 2009

Active detection is a type of intruder detection in which a system takes automatic actions when it recognizes an attack. It can terminate unauthorized connections, processes, or sessions. Active detection can also launch a counterattack against an intruder.

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Posted in CIW Certified Security Analyst, CIW Professional, Master CIW Administrator, Security+

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What is WTLS?

June 25th, 2009

Wireless Transport Layer Security (WTLS) is a security layer of WAP, which is specifically designed for a wireless environment. It provides privacy, data integrity, and authentication for client-server communications over a wireless network. WTLS ensures that a client and server are authenticated so that wireless transactions remain secure and the connection is encrypted. WTLS is required because a wireless network does not provide end-to-end security.

Permanent link to this post (248 words, estimated 60 secs reading time)
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Posted in A+, A+ 2009, CIW Associate, CIW Associate Design Specialist, CIW Certified Security Analyst, CIW Professional, Master CIW Administrator, Master CIW Designer, Master CIW Enterprise Developer, Master CIW Web Site Manager

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What is active detection?

June 25th, 2009

Active detection is a type of intruder detection in which a system takes automatic actions when it recognizes an attack. It can terminate unauthorized connections, processes, or sessions. Active detection can also launch a counterattack against an intruder.

Permanent link to this post (121 words, estimated 29 secs reading time)
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Posted in CIW Certified Security Analyst, CIW Professional, Master CIW Administrator, Security+

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What is Trojan horse?

June 24th, 2009

Trojan horse is a malicious software program code that masquerades itself as a normal program. When a Trojan horse program is run, its hidden code runs to destroy or scramble data on the hard disk. An example of a Trojan horse is a program that masquerades as a computer logon to retrieve user names and password information. The developer of a Trojan horse can use this information later to gain unauthorized access to computers. Trojan horses are normally spread by e-mail attachments. Unlike viruses, Trojan horses do not replicate themselves but only destroy information on hard disks.

Permanent link to this post (332 words, estimated 1:20 mins reading time)
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Posted in A+, A+ 2009, A+2006, CIW Associate, CIW Associate Design Specialist, CIW Certified Security Analyst, CIW Professional, MCSA, MCSA 2000, MCSE, Master CIW Administrator, Master CIW Designer, Master CIW Enterprise Developer, Master CIW Web Site Manager

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What is dictionary attack?

June 24th, 2009

Dictionary attack is a type of password guessing attack. This type of attack uses a dictionary of common words to find out the password of a user. It can also use common words in either upper or lower case to find a password. There are many programs available on the Internet to automate and execute dictionary attacks.

Permanent link to this post (269 words, estimated 1:05 mins reading time)
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Posted in A+, A+2006, CIW Associate, CIW Associate Design Specialist, CIW Certified Security Analyst, CIW Professional, MCSA, MCSA 2000, MCSE, Master CIW Administrator, Master CIW Designer, Master CIW Enterprise Developer, Master CIW Web Site Manager

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What is password guessing attack?

June 22nd, 2009

A password guessing attack occurs when an unauthorized user tries to log on repeatedly to a computer or network by guessing usernames and passwords. Many password guessing programs that attempt to break passwords are available on the Internet. Following are the types of password guessing attacks:

  • Brute force attack

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Posted in A+, A+2006, CIW Certified Security Analyst, CIW Professional, MCSA, MCSA 2000, MCSE, Master CIW Administrator

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What is passive detection?

June 22nd, 2009

Passive detection is a type of intruder detection that involves logging network events to a file for an administrator to review later. The administrator analyzes the log to determine whether or not the attack is legitimate and then decides on how to respond to it.

Permanent link to this post (118 words, estimated 28 secs reading time)
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Posted in CIW Certified Security Analyst, CIW Professional, Master CIW Administrator, Security+

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