Ten laws of IT Security

According to Microsoft, these are the ten laws of IT security:

Law #1: If a bad guy can persuade you to run his program on your computer, it’s not your computer anymore
Law #2: If a bad guy can alter the operating system on your computer, it’s not your computer anymore
Law #3: If a bad guy has unrestricted physical access to your computer, it’s not your computer anymore
Law #4: If you allow a bad guy to upload programs to your website, it’s not your website any more
Law #5: Weak passwords trump strong security
Law #6: A computer is only as secure as the administrator is trustworthy
Law #7: Encrypted data is only as secure as the decryption key
Law #8: An out of date virus scanner is only marginally better than no virus scanner at all
Law #9: Absolute anonymity isn’t practical, in real life or on the Web
Law #10: Technology is not a panacea

But Microsoft is not always right

Law #11: Technology does not replace people management.
Law #12: Do not assume what your virus scanner does not flag is trustworthy, or Virus scanners are like a bullet-proof vest – they don’t make you immune to bullets.
Law #13: Good security demands a layered approach.

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