Article View: comp.security.misc
Article #654Re: IBM password
From: Ed Carp
Date: Mon, 05 Oct 1992 18:31
Date: Mon, 05 Oct 1992 18:31
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Vesselin Bontchev (bontchev@fbihh.informatik.uni-hamburg.de) wrote: : DEBUG can access the disk only as logical sectors, so in order to : access it on a physical level, you'll have to write a short program, : using INT 13h - the BIOS service, used to access the disk. However, : people who know how to do that, usually don't ask why booting from a : floppy can bypass the hard disk protection, so I'll describe an easier You can also use such a program to erase one's hard disk. The only security in this case is to physically remove the floppy drives from the system. In my secure testbed I have such a system which is connected to other systems via serial port only, and it polls other systems for stuff. -- Ed Carp, N7EKG erc@apple.com 801/538-0177 "This is the final task I will ever give you, and it goes on forever. Act happy, feel happy, be happy, without a reason in the world. Then you can love, and do what you will." -- Dan Millman, "Way Of The Peaceful Warrior"
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Newsgroups: comp.security.misc Path: arc1-ca.pugleaf.net!sparky!uunet!unislc!erc From: erc@unislc.uucp (Ed Carp) Subject: Re: IBM password X-Newsreader: TIN [version 1.1 PL6] References: <bontchev.717788387@fbihh> Message-ID: <1992Oct5.183129.20500@unislc.uucp> Organization: Unisys Corporation SLC Date: Mon, 5 Oct 1992 18:31:29 GMT Lines: 18