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You're reading from  Mastering Linux Security and Hardening

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Published inJan 2018
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ISBN-139781788620307
Edition1st Edition
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Donald A. Tevault
Donald A. Tevault
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Donald A. Tevault

Donald A. Tevault - but you can call him Donnie - got involved with Linux way back in 2006, and has been working with it ever since. He holds the Linux Professional Institute Level 3-Security certification, and the GIAC Incident Handler certification. Donnie is a professional Linux trainer, and thanks to the magic of the internet, teaches Linux classes literally the world over from the comfort of his living room. He's also a Linux security researcher for an IoT security company.
Read more about Donald A. Tevault

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Securely configuring BIOS/UEFI


This topic is different from anything we've looked at thus far because it has nothing to do with the operating system. Rather, we're now going to talk about the computer hardware.

Every computer motherboard has either a BIOS or a UEFI chip, which stores both the hardware configuration for the computer, and the bootstrap instructions that are needed to start the boot process after the power is turned on. UEFI has replaced the old-style BIOS on newer motherboards, and it has more security features than what the old BIOS had.

I can't give you any specific information about BIOS/UEFI setup because every model of the motherboard has a different way of doing things. What I can give you is some more generalized information.

When you think about BIOS/UEFI security, you might be thinking about disabling the ability to boot from anything other than the normal system drive. In the following screenshot, you can see that I've disabled all SATA drive ports except for the one...

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Mastering Linux Security and Hardening
Published in: Jan 2018Publisher: ISBN-13: 9781788620307

Author (1)

author image
Donald A. Tevault

Donald A. Tevault - but you can call him Donnie - got involved with Linux way back in 2006, and has been working with it ever since. He holds the Linux Professional Institute Level 3-Security certification, and the GIAC Incident Handler certification. Donnie is a professional Linux trainer, and thanks to the magic of the internet, teaches Linux classes literally the world over from the comfort of his living room. He's also a Linux security researcher for an IoT security company.
Read more about Donald A. Tevault