Questions tagged [bios]

Basic Input/Output System (BIOS) is a software that is stored on a non-volatile ROM chip on the motherboard and BIOS is the first code run by a PC when powered on.

140 questions
7
votes
3 answers

Unlock a computer bios?

If someone adds a password to the bios of a computer and make it so that when booting the computer it prompts for the password, is there any way to bypass or overide that protection?
DnrDevil
  • 189
  • 1
  • 5
4
votes
1 answer

Is booting from a freshly downloaded linux CD safe from trojans?

Let's say you're using Windows 7. For storing Bitcoin on your computer ... is downloading a fresh copy of linux (say Ubuntu), burning it into a CD, booting from it ... safe from trojans? Are there trojans "in the wild" that would be able to "jump…
ripper234
  • 1,246
  • 2
  • 9
  • 12
3
votes
1 answer

Award BIOS Security

How can I secure an Award BIOS from being flashed or attacked by a remote attacker? Are there other types of BIOS that are more secure?
Nicholas
  • 31
  • 1
3
votes
3 answers

Is knowing the BIOS password of help in hacking a computer *remotely*?

Let's assume that a hacker knows the BIOS password of a computer, but can only connect to the computer over a network (Internet). The attacker has no physical access to the computer. Is knowing the BIOS password of any advantage to him/her, in any…
user1284631
  • 131
  • 2
3
votes
1 answer

Dumping BIOS and USB bootloader

Edward Snowden suggests to have the bootloader on a USB stick to prevent evil maid attacks and to dump the BIOS, hash it and compare it everytime. Is using Tails from a USB stick means the bootloader is on the USB stick or how do I get the…
user9
  • 31
  • 1
2
votes
0 answers

How to identify if BIOS is infected?

How to identify if BIOS is infected with malware? Is there a way to extract content of a BIOS chip?
mit
  • 29
  • 1
2
votes
0 answers

BIOS flash possible?

Not sure if it's the right forum to post this but have been modifying the BIOS of my Asus N551VW (which is a skylake laptop (I7-6700HQ) with an AMI Aptio BIOS) and I'm ready to flash it. Problem is, I've heard that some little evil thing called…
user265889
  • 121
  • 1
1
vote
3 answers

BIOS upgrade only with PGP-signature / encrypting the whole BIOS

To successfully defend the BIOS from malicious rootkit installation or other malware that writes itself inside BIOS I wonder if these ideas are possible or even done yet: Can you program the BIOS itself in a way that it only accepts data to be…
user3200534
  • 881
  • 10
  • 22
1
vote
1 answer

What bios passwords & settings are important to set on a Thinkpad X1 laptop?

I am just booting my new X1 for the first time, and went into the bios to set a bios password. I discovered a slew of security settings: Supervisor password Lock UEFI BIOS Settings (enabled/disabled) Password at Unattended Boot…
ripper234
  • 1,246
  • 2
  • 9
  • 12
0
votes
2 answers

Why aren't there large-scale attacks on BIOS and UEFI

I was reading the new and I came across this article . I have not spent lots of time reading the paper the article referred to but I pretty much agree with the fact that people rarely update their BIOS and since it does not get updated regularly it…
Ulkoma
  • 8,773
  • 17
  • 68
  • 96
0
votes
1 answer

Bios passwords "easy" to find

I have read that bios passwords are sometimes good--or bad, if there is a default. Places mention that these passwords are pretty much just available through google, but I can not find them. Where would I find them?
user50625
  • 199
  • 2
  • 8