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s magnetized, its not easy to erase data using a magnet. According to PC World, only industrial-strength magnets -- including rare -earth magnets and degaussers -- are strong enough to damage data on a hard drive. As for solid state drives, even a very strong m agnet will leave all the data untouched, since the data isnt recorded magnetically. LCD Screen Damage LCD screens are quite sensit ive to touch, and to electric charges. Magnets do have the potential to short out areas of the liquid crystal in the screen, and t download books free he damage may be permanent. Dont take a chance passing a magnet of any strength near your laptop screen. Keep in mind that screens cant be super-sensitive to magnets because many laptops use magnets to hold the screen shut when you close your laptop. Apples Ma Bio Limousin Moteur de recherche cBook line uses a small magnet to keep its power cord attached to the side of the computer. X-ray Machines & Metal Detectors If ma .

etector, on the other hand, does use magnetic energy, and is strong enough to potentially damage a laptop.History Since before the Internet became widespread, hackers have been prevalent. According to researchers at the University of Utah, curious students pro bed and manipulated the phone network and larger computer systems on campus in the 1960s--largely seen as the official beginning o f hacking. In 1983, the term computer virus entered mainstream lingo to indicate a program that affected other computers to propag personal website examples ate itself.Since this time, there has been explosive growth in the fields of computer hacking and viruses. Methods of hacker and v irus control, such as anti-virus programs and firewalls, are in widespread use. Types of Viruses There are many types of computer Bio Limousin Moteur de recherche viruses that exist in the wild actually infecting machines in use. Some viruses spread via network connections to local and Intern .

h automatically display ads, out of the users control and trojans which allow backdoor access into a machine. Types of Hackers Hac kers categorize themselves in three different areas: white-hat, grey-hat and black-hat. White-hat hackers work with an organizatio n to fix vulnerabilities without acting causing harm to the system legal hacking. Black-hat hackers are the opposite of white-hat hackers; they conduct hacking illegally and maliciously. Grey-hat hackers are a blend of both, sometimes acting maliciously or ill texture wallpaper egally, and sometimes not. Hackers also tend to specialize in a certain skill, such as web application hacking or cryptanalysis. P reventionSolution Many organizations actively work against hacker and virus threats. There are many technical and personnel contro Bio Limousin Moteur de recherche ls that deter attacks, some of which include simply patching and updating systems, running anti-virus software and monitoring netw .

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