Ch 11 Computer..
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22 terms
Terms | Definitions |
|---|---|
 Pharming | scam when someone tries to steal your personal information |
| backup | duplicate file if the original is damaged |
| encryption | turns readable data into unreadable data to prevent unauthorized access |
| biometric device | authenicates a person's identity |
| back door | set of instrustions and you can bypass security |
| DOS attack | disrupt computer access |
| quarantine | holds a infection file until it can be removed |
| virus definition | specific pattern of virus code |
| trojan horse | hides within a program |
| cracker | accesses a computer illegally |
| anti-spam program | removes junk |
| spam | unsolicited e-mail message |
| system failure | natural disasters |
| encryption key | decrypt ciphertext |
| expansion | encryption that inserts characters |
| information theft | stealing credit card numbers |
| software piracy | duplicated copyright software |
| firewall | protects a network's resources |
| virus hoax | form of a chain letter |
| worm | copies itself repeatedly |
| virus | damages computer programs |
| cybercrime | illegal acts on the internet |
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