| A | B |
| unauthorized access | occurs first when a criminal gets a user ID and password |
| denial of service | occurs when a server is bombarded with false data requests |
| information theft | occurs when a company database is copied and transferred to a competing company's computers |
| crackers | used to describe people who break into security systems with the intention of doing harm |
| viruses | software created to do hard to computers |
| time bomb virus | triggered when a specific even or set of conditions occurs |
| WEP | security protocol for wireless networks |
| data browsing | involves snooping and invading the privacy of others |
| e-mail attachment virus | most commonly encountered virus |
| Trojan horse | come buried inside another program and installs itself secretly when legitimate software is installed |
| boot-sector virus | starts up when the computer starts up |
| polymorphic virus | sophisticated virus type that changes the way it attacks systems |
| power spike | can permanently damage your hardware |
| surge protector | inexpensive power strip that helps prevent fluctuations in computer's electrical power |
| UPS | keeps computer running even in a blackout |
| rotating backups | creates multiple copies of your data, recycling a tape or disk each time a new one is made |
| firewalls | security strategy that prevents hackers from entering your network from the Internet |
| biometric identification | security strategy that uses a person's physical attributes to recognize users |
| crack | work-around or alteration of a program so that software protection is removed |
| retinal recognition | system used to identify a person by the pattern of blood vessels at the back of the eye |
| network sniffer | detection program that tracks the surfing habits of uses |
| smart card | improvement in security over the credit card |
| data destruction | trick most commonly performed by a virus |
| espionage virus | opens a system backdoor for later entry by a hacker |
| network sniffer | program that displays network traffic |
| Asia | region currently that has the most widespread use of smart cards |
| computer virus | computer program written to annoy uses or damage data |
| stealth virus | type of virus designed to hide from anit-virus software |
| macro virus | might come in a Microsoft Word .doc file |
| spoofing | sometimes used by software worms to transmit themselves around the Internet |
| voice verification | security system that involves speaking a series of words to a computer |
| spyware | software that allows people to snoop and watch what someone else is doing on their computer screen |
| hand geometry systems | recognize people by the shape and dimensions of their hands |
| data encryption | method of scrambling messages so that they cna't be easily read by anyone who intercepts them |
| Robert Morris Jr. | released the most successful worm in Internet history |
| keystroke identification | method by which a keyboard can recognize its users typing patterns |
| employee monitoring | legal practice of spying on employees without their knowledge |
| industrial espionage | when a company spies on another company |
| biometric devices | a system that measures unique physical characteristics |
| biometric identifier | unique physical characterisic that can be used for identification |
| cookie | small file that tracks the surfing habits of people on the Web |
| cyberwar | term used to described an organized series of hacker attacks between citizens of different nations over the Internet |
| flight time | amount of time between key strokes |
| nuisance virus | program that performs harmless tricks on the user |
| dwell time | amount of time a key is depressed on the keyboard |
| thermography | infrared system that uses a heat-based image of a human face as a biometric identifier |