Across
- 4. a computer worm that attacked tens of millions of Windows personal computers
- 5. software that is intended to damage or disable computers and computer systems
- 7. fraudulent attempt to obtain sensitive information such as usernames, passwords and credit card details
- 8. unsolicited junk email sent indiscriminately in bulk, often for commercial purposes
- 10. the programs and other operating information used by a computer
- 12. a virus that is sent with or attached to email communications
- 14. pretends to be something else
- 15. an experimental computer program written by Bob Thomas
Down
- 1. a type of malicious software that, when executed, replicates itself by modifying other computer programs and inserting its own code
- 2. a computer worm targeting the Microsoft Windows operating system in November 2008
- 3. the first worm for Mac OS X
- 6. standalone malware computer program that replicates itself in order to spread to other computers
- 9. type of DOS attack where multiple compromised systems, which are often infected with a Trojan
- 11. is a software development company that produces spyware and malware detection software
- 13. worm backdoor Trojan horse that affects computers using Microsoft operating systems