# OS Security

**URL:** <https://forum.kirupa.com/t/os-security/63751>\
**Category:** random\
**Created:** [September 9, 2004, 6:40pm UTC](https://forum.kirupa.com/t/os-security/63751 "2004-09-09T18:40:18Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![birdboy0103](https://avatars.discourse-cdn.com/v4/letter/b/db5fbb/32.png) [@birdboy0103](https://forum.kirupa.com/u/birdboy0103)\
**Post date:** [September 9, 2004, 6:40pm UTC](https://forum.kirupa.com/t/os-security/63751/1 "2004-09-09T18:40:18Z")

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What would be some good ways of implementing security in a dos based OS?  
Any Info would be quite helpful, thanks.

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [September 9, 2004, 6:57pm UTC](https://forum.kirupa.com/t/os-security/63751/2 "2004-09-09T18:57:00Z")

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Encrypt the file system.

Ask the user for a password when the system boots. Then hook into the BIOS calls that read and write from the disk and decrypt and encrypt data.

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [September 9, 2004, 7:01pm UTC](https://forum.kirupa.com/t/os-security/63751/3 "2004-09-09T19:01:24Z")

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Thats great…got anything else?

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [September 9, 2004, 10:13pm UTC](https://forum.kirupa.com/t/os-security/63751/4 "2004-09-09T22:13:39Z")

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Does anyone have any security for, say, storing passwords, or logging on over a network, or anti-virus cosing, or something?