Wednesday, February 27, 2013

Computer Attacks

COMPUTER ATTACKS & ABUSE
HACKING
* Unauthorized access, modification, or use of a device/some element of a computer system.
* approximately peoners break into systems using known flaws in operating systems/appication programs,/as a result of poor access controls.
* Ex: Russian hackers broke into Citibanks system & stole $ 10 mil from customer acc.

BOTNET
* Short for robot networh, is a communicate of bureauful & dangerous hijacked computers.
* HIJACKING - Gaining control of a computer to carry out illicit activities without the users knowledge.
* BOT HERDERS - Install software that responds to the hackers electronic instruction manual onto unwitting PCs. It delivered in variety of ways, including trojans, e-mails.
* ZOMBIES Bot herders use the combined power of the hijacked computer.
* Used to perform DENIAL-OF-SERVICE(DOS) ATTACK, designed to make resource inaccessible to its users.
* Ex of DoS: It shut down 3000 websites for 40 hrs onone of the busiest shop weekends of yr.

SPAMMING
* e-mailing/texting an unsolicited message to many people at the equivalent time, a great deal in an attempt to sell something.
* Major displace from bonets.

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* Annoying & costly
* Scan the internet for addresses posted on9, hack into company databases & steal/buy mailing lists.
* as well stage dictionary attacks which called direct harvesting attacks.
* Use additional software to guess addresses at company & invest blank email messages.
* Blog(short for web log): web site containing on9 journals/commmentary.
* Hackers raise splogs(combination of spam & blog) wt links to websites they own to increase their Google PageRank, which is how often a web page is referenced by otherwise web pages.
* Splogs are annoying, waste valuable disk topographic point & bandwidth & pollute search engine results.

SPOOFING
* qualification an electronic communication look as if it comes from a bank official source to lure the recipient into...If you want to conduct a full essay, order it on our website: Orderessay



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