Hw #9 Useful Terms:

1. Conficker:Conficker is a malicious worm that has so far infected 9 million Windows-based PCs since it was a first detected in October 2000. by http://www.eetimes.com/news/semi/showArticle.jhtml?articleID=216402054
   
2. Worm:A computer worm is a self-replicating computer program. It uses a network to send copies of itself to other nodes (computers on the network) and it may do so without any user intervention. Unlike a virus, it does not need to attach itself to an existing program. Worms almost always cause at least some harm to the network, if only by consuming bandwidth, whereas viruses almost always corrupt or modify files on a targetedcomputer. http://en.wikipedia.org/wiki/Computer_worm
   
3. Patch: a fix for a software program where the actual binary executable and related files are modified.by http://en.wikipedia.org/wiki/Patch
   
4. A backdoor: in a computer system (or cryptosystem or algorithm) is a method of bypassing normal authentication, securing remote access to a computer, obtaining access to plaintext, and so on, while attempting to remain undetected. The backdoor may take the form of an installed program (e.g., Back Orifice), or could be a modification to an existing program or hardware device.by http://en.wikipedia.org/wiki/Backdoor
   
5. Botnet: is a jargon term for a collection of software robots, or bots, that run autonomously and automatically. The term is often associated with malicious software but it can also refer to the network of computers using distributed computing software. by http://en.wikipedia.org/wiki/Botnet
   
   
   

Hw #9 News: Conficker Worm:

In the article" Experts See Early Activity From Conficker Worm" by John Markoff,at http://www.nytimes.com/2009/04/01/technology/internet/01virus.html? in the New York Times.He states that a very dangerous virus called Conficker could take place today on April 1st 2009. He also state that this malicious virus is powerful enough to affect those huge powerfull servers such as goverment agencies and it deletes all the data in the computers that it infects. Also, He states that Microsoft is offering a reward of 250,000 dollars to find the Author of Conficker.






http://www.nytimes.com/2009/04/01/technology/internet/01virus.html?

Hw #8 Interesting Computer Terms:

1. clone: is a hardware or software system that is designed to mimic another system. Compatibility with the original system is usually the explicit purpose of cloning hardware or low-level software such as operating systems. by
   http://en.wikipedia.org/wiki/Clone_(computing)
   
   
2. Visual Basic:(VB), formerly called Visual Basic .NET (VB.NET), is an object-oriented computer language that can be viewed as an evolution of Microsoft's Visual Basic (VB) implemented on the Microsoft Net framework.
   by http://en.wikipedia.org/wiki/Visual_Basic_2005
   
   
3. Ping: tool used to test whether a particular host is reachable across an IP network; it is also used to self test the network interface card of the computer, or as a speed test. It works by sending ICMP “echo request” packets to the target host and listening for ICMP “echo response” replies. by http://en.wikipedia.org/wiki/Ping
   
   
4. screen pop:is a feature of a computer telephony integration (CTI) application that automatically displays all of the relevant caller and account information on a call center agent's screen during a call. by http://whatis.techtarget.com/definition/0,,sid9_gci1211808,00.html
   
   
   
5. password cracker: is an application program that is used to identify an unknown or forgotten password to a computer or network resources. It can also be used to help a human cracker obtain unauthorized access to resources.by
   http://searchfinancialsecurity.techtarget.com/sDefinition/0,,sid185_gci536994,00.html
   

Hw #8 Media Companies, Beware the Priceline

In the article “Media Companies, Beware the Priceline Negotiator”, by Saul Hansell on the New York time at http://bits.blogs.nytimes.com/2009/03/23/media-companies-beware-the-priceline-negotiator/ He states that companies that used to charge a fee for their services such as Priceline when you purchases tickets online are changing their procedure to increase market sales. Therefore, these companies are not making any charge in ticket purchasing to increase sales. This is a good way to grap customers and increase revenues.