Security beginner's guide: Top 10 security definitions

Michele Hope, Editor

If you're new to the troubling world of IT hackers and security vulnerabilities, here's our pick of 10 terms and definitions that will let you hold your own on the subject for at least a minute at any IT social or mixer.

  1. Anna Kournikova virus

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  1. Anti-virus software
  2. Authentication
  3. Certificate authority
  4. Cipher
  5. Cryptography
  6. DDoS attack
  7. Decryption
  8. Denial of service
  9. Digital signature

Believe it or not, there are many more terms where these came from. To see the complete list, go to the compendium of IT knowledge, our sister site,

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