Security Threats

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Across
  1. 2. hat look for holes in other systems and then contact the companies for payment in return for fixing the problem.
  2. 4. Illegally hacking to steal data or with some other criminal intent.
  3. 6. Irritating software that causes pop-up advertisiements to appear in a browser
  4. 7. Computer is tricked and taken to a fake site it thought was genuine.
  5. 9. Aimed at company or web servers to overload them or force them to crash.
  6. 14. This should be updated consistently for antivirus software to be efficient.
  7. 15. Unauthorised access to the network.
  8. 16. Small file placed on hard-disk and stored by websites to store personal preferneces.
  9. 17. self-replicating code that attaches itself to programs.
Down
  1. 1. keylogging software that covertly gathers and reports your online activities.
  2. 3. An email used a bait to trick users into sharing their personal details.
  3. 5. Ethical hackers, employed by companies to deliberately find holes in their own security.
  4. 8. Asked for a fee in order for the ‘lock’ to be removed and regain access to your files
  5. 10. Non-self-replicating virus that masquerades as an innocent file.
  6. 11. Illegally accessing program source code to change it.
  7. 12. provides the creator with unauthorised remote access to an infected computer
  8. 13. Will compromise a computer and use the host’s storage and processing power to perform jobs.