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9 Cards in this Set
- Front
- Back
Computer Viruses |
- A computer program which can duplicate itself - Can infect files which are shared with other computers, this spreads viruses. - Can cause the computer to not function properly - Can generate spam emails - Can corrupt or delete data |
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Trogans |
- A stand alone program that is disguised as another file or program |
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Worms |
- Similar to a computer virus- a program that can replicate itself - Different from a virus because it doesn't need to attach itself to an existing program. - Cause harm to computers, networks, data and clog up bandwidth |
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Phishing |
- Attempts to trick people into giving personal data - Often look very convincing |
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Spyware |
- A software that is installed on a computer system and collect information about the user without their knowledge - Can record personal data such as log in details, credit card and bank account details - Can change computer settings without the user knowing |
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Adware |
- Advertising supported software - Any software that automatically shows adverts to the user, such as pop ups - Harmless in themselves, but viruses can be hidden within the software |
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Hacking |
- Finding a weakness in security of a computer or network and exploiting it to gain access to their system. - Gaining access to data without user's permission - Motivated by many reasons e.g. profit, protest, challenge |
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Denial of service attacks (DOS) |
- Systems are overrun with traffic, preventing genuine users from getting access - Attacks are often for political reasons and target high profile companies that people think have been unethical |
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Physical threats |
Peripherals (e.g. keyboards, monitors, memory sticks) can be lost, stolen or damaged -Portable storage devices are most susceptible to accidental lost or change |
