Questions tagged [hardware]

For attacks against, or best practices for physical components of an Information Technology system. It can consist of network equipment, servers, CPUs, hardware security module, smartcards, etc. When using this tag, also include an additional tag for the specific type of hardware.

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5
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1answer
148 views

Since TPM firmware is updatable can it be exploited by malicious hardware actors?

I have been reading about TPM for months and one thing seems to be odd. I noticed that TPM firmware can be updated in certain brands. Like "Lenovo" or this link which links a bunch of brands....
0
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1answer
93 views

Is there a hardware-constrained method for removing content from the internet?

I recently came across this viral post on Facebook: As of the time of this question, the post has more than 37,000 likes, 33,000 shares and 1.5k comments. Most of the comments are positive, ...
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1answer
109 views

Using Hardware Encryption on NVME SSD used as the boot device

I have a question relating to implementing encryption of data at rest. This is possibly more suited to another stackexchange site, so please let me know where would be better to post if I'm a little ...
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1answer
90 views

Tricking a windows 10 computer into thinking a USB being plugged in is a mouse for code execution [closed]

Is it possible to "trick" a Windows 10 PC into thinking a flash drive is a mouse to execute code on the machine? If so, how? Note: I'm not trying to do anything malicious. All of this is ...
1
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1answer
89 views

Are there any existing JTAG (hardware debugging) based malware detection systems, and if not, why?

JTAG System software debug support is for many software developers the main reason to be interested in JTAG. Many silicon architectures such as PowerPC, MIPS, ARM, x86 built an entire software debug, ...
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0answers
41 views

Wondering if a USB dongle for gaming controller could have malware installed [duplicate]

I purchased a usb gaming controller used. It has a usb dongle that plugs into the PC and a I assume its bluetooth. Is it possible for the USB dongle to contain a keylogger that starts up when I plug ...
3
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2answers
205 views

Open-Source Hardware Security Modules (HSM)

Are there any Open-Source Hardware Security Modules (meeting OSHWA requirements)? I've worked with Utimaco HSMs, but I'm not a big fan of closed-source hardware -- especially when it comes to security ...
-1
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1answer
99 views

Can data be stored anywhere else on a MacBook besides the SSD?

Imagine the following scenario: There exist all kinds of information on my SSD. Now I take away the SSD of my MacBook Pro, replace it, and reboot. I should have a MacBook that is on factory settings, ...
0
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1answer
59 views

How are hardware wallets and other hardware-based security devices audited?

One selling point of the Trezor crypto currency wallets is that they are, supposedly, "open source". It is not clear to me exactly what assurance this provides, since I do not know what ...
0
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1answer
112 views

How secure is Heads for detecting tampering or infection of firmware or boot sector? (Pureboot)

I'm thinking of getting a Librem laptop with Pureboot which uses Heads (with the Librem key) for tamper detection. But I've heard rumours that there are weaknesses or vulnerabilities so I wanted to ...
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0answers
55 views

Has hackers ever used a microarchitectural side channel to launch an attack?

I'm a student of computer architecture and I just got through a class on Hardware Security. We spent a considerable amount of time learning about microarchitectural side channels, reading papers on ...
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1answer
40 views

Root of Trust - The general Mechanism of how RoT Authenticates higher levels of software

I've been reading many research articles about RoT - Root of Trust - for establishing a chained root of trust going up from BIOS to the Kernel. However, most of the article go briefly on how RoT works ...
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0answers
38 views

Examine BADUSB, reflash with Arduino IDE

The situation: I received a BADUSB device probably based on Atmega 32u4, armed with some kind of payload. I'd like to extract and analyze the payload. Then I'd like to reflash the device with my own ...
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1answer
276 views

Is it possible to crack a laptop's encrypted hard disk?

In a talk about a lost or stolen laptop, it is said that: even with hard drive encryption, eventually they can crack these secrets But strong encryption is practically impossible to break. For ...
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1answer
104 views

Is there a downside to using a Ledger Nano S or X as both a crypto wallet and a 2FA key?

Newbie question, I guess. I want to get a cold wallet for increased security. I also want to start using hardware 2FA (e.g. for e-mail). I see that Ledger advertises 2FA capabilities ('FIDO U2F') on ...
1
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1answer
304 views

What are the dangers of a firmware malware in 2021 and is it possible?

I was reading a few articles online about how some firmware can be altered into malware and essentially infect a hardware equipment for its entire life time. Like almost all SSDs in the industry ...
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2answers
232 views

secure Microphone Blocker for Apple devices (macOS and iOS)

Quote from Hardware for Protecting Privacy and Security Microphone Blocker A microphone blocker is a device that prohibits audio hacking, in the form of a hardware accessory for a smartphones, ...
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0answers
116 views

Can the glue of glitter-hot-glue sticks be used to provide evidence of electronics-hardware tampering?

I've been researching low-cost, yet strong, tamper-evident mechanisms, and purchased some low-cost glitter-hot-glue sticks as part of this research. The Amazon page advertising the sticks, seems to ...
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0answers
42 views

Can hardware identifcation be evaded/spoofed?

If I'm not wrong, one of the many ways companies track and collect data of people through the internet is by identifying their hardware. Getting the monitor resolution, figuring what CPU it is, etc. ...
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0answers
54 views

Is malware in an EC firmware a concern, when standard security is in place together with the rest of the computer having no malevolent tampering?

Question My question is whether malware in the embedded-controller firmware is something to worry about if the rest of the computer system is faithfully what it should be, together with standard ...
2
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1answer
108 views

Is it safe to download BIOS firmware from any place online?

Considering that all modern motherboards have code signature procedures in place like it is mentioned here: Is it possible for malware to be in the BIOS or in hardware? I was wondering is it safe to ...
40
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5answers
7k views

How can you trust that there is no backdoor in your hardware?

We know that Intel processors have one (ME) so it is definitely possible. In general, how could you even trust a piece of hardware like a CPU or network card, even if the manufacturer says there is no ...
98
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5answers
48k views

What is the benefit of having FIPS hardware-level encryption on a drive when you can use Veracrypt instead?

The expensive one: https://www.dustinhome.se/product/5010873750/ironkey-basic-s1000 The cheap one: https://www.dustinhome.se/product/5010887912/datatraveler-100-g3 Over 14,000 SEK difference in price. ...
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1answer
82 views

if computer is compromised, does hardware key still protect in ssh?

Let's say I sign into my local pc with a hardware key (eg yubicon). Let's say I further sign into a sensitive server (as root) via ssh using yubicon hardware key as well (ie only way to get into ...
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2answers
3k views

Can BadUSB be avoided by looking at the shapes and the controller model inside it?

I'm an average user. I don't take part or have any dangerous jobs. I know that there is no fixed solution for this type of attack. However, I think USB is still become common devices for average user. ...
2
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1answer
207 views

Are wedge attacks on EMV cards still viable?

I was looking around to see if wedge attacks on EMV cards are still viable or a solution has been implemented, and if so, have attackers found another way around the solution? The latest literature or ...
2
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1answer
170 views

Questions about A Monitor Darkly

In his presentation, A Monitor Darkly, Ang Cui demonstrates how to manipulate images on the monitor by getting the firmware to execute commands embedded in a pixel contained in an image being ...
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1answer
465 views

Can I trust a used motherboard purchased from a seller in China? [duplicate]

The ASUS motherboard in an older PC I own failed. I purchased a replacement from a vendor on eBay, shipped from China (Shenzhen). Only after receiving the motherboard did it occur to me to wonder ...
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1answer
78 views

How to detect software and hardware impairment? [closed]

How can I know if a pc has a backdoor in bios, and how to know if there is an hardware malicious impairment?
0
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2answers
107 views

Is it possible to create a hardware 'Plug and Play' TOR proxy?

Is there a way to use a device like a raspberrypi to create a kind of 'Plug and Play' TOR proxy? Ideally, a device would exist with an ethernet port as input and ethernet cable or USB as output which ...
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0answers
39 views

Best practices for checking security risks on used devices [closed]

If you are buying used device, laptop or game console, or a smartphone - what are the best practices for checking it’s security? How to check if device’s HW wasn’t modified or it is not coming with ...
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2answers
166 views

Hardware components based on which to generate password

I want to generate a password for a Keystore in java on Windows platform. I would like to make a HASH out of some hardware information from my computer and some salt. My question is: which hardware or ...
62
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15answers
15k views

Emergency method to erase all data off a machine within seconds

Imagine you are carrying highly sensitive information with you, maybe on a mission in a war zone. You get in an ambush and quickly need to erase all the files before they fall in the wrong hands. This ...
0
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0answers
118 views

Can I view the format history of a usb key?

Is there a way to view when changes were made to a USB key, such as when the USB key was formatted and/or when some files were transferred? I have seen this previous stackexchange question File system ...
-1
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1answer
57 views

Cyber Security in Hardware Products? [closed]

I am currently working on a product similar to smart locks that work with BLE identification. I can handle the hardware of the product very well (mechanics / electronics / embedded software), however, ...
1
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0answers
229 views

What is the current (mid-2020) status of hardware rootkit/malware and possible detection/monitoring?

I've posted a question (link) related to a potential compromised computer via SSH access with root user. Although no evidence of a break-in, I'm considering extended measures to ensure (as much as ...
0
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0answers
69 views

Can a headphone or earbud (bluetooth or wired) transmit malware between computers? [duplicate]

I have an old computer and I am sure it has trojan or malicious code but after that I bought new one. The problem is I did not change my old headphone that I used in my old computer and I plugged it ...
0
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1answer
134 views

iCloud deletion

If I delete photos which are stored in iCloud from my phone. (Which is also linked to my iPad) I know the data is then made ‘free space’ but is still on the phone In some format. If I delete it from ...
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0answers
74 views

Protect USB from reading by using PC identity

Is there any way (software or hardware solution) to create a usb drive that can make its contents readable only on specific PCs using their hardware serial numbers?
2
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1answer
72 views

Is being able to access /proc/ in Linux a security breach?

As a user, I can run ls proc and read the /proc directory of the hosting server and read most of the data inside it (~90%). > ls /proc 1 acpi cpuinfo execdomains ioports kmsg mdstat net scsi sys ...
0
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1answer
55 views

Are Thunderbolt-enabled computers without Thunderbolt ports vulnerable to Thunderspy?

Could these two attack scenarios exploit the recently publicized vulnerability? Using a Thunderbolt adapter like an USB-to-Thunderbolt adapter on a computer without any Thunderbolt port Temporarily ...
6
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2answers
210 views

Why did I never see those “spy signal jammers” for sale?

I recently watched a 1980s computer television programme about the problems of spying. Basically, they showed how anyone could buy relatively cheap and common hardware and then be able to sit outside ...
0
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1answer
76 views

Understanding the Secure Multi-party circuit for Stable Matching

I am reading the following paper: MPCircuits: Optimized Circuit Generation for Secure Multi-Party Computation I have the following questions: Why Preference of group1 starts from L_0 where as ...
1
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0answers
472 views

Prometheus node_exporter Metrics file discovered [closed]

I found a 'Metrics' file during a test containing: # HELP go_gc_duration_seconds A summary of the GC invocation durations. # TYPE go_gc_duration_seconds summary go_gc_duration_seconds{quantile="0"} 0....
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0answers
46 views

How to use potentially malicious hardware safely

I know the methods for running possible malicious programs safely but how do I keep my computer secure when I need to use a tool that might be malware. I cannot run it in a sandbox or virtual machine ...
0
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1answer
125 views

USB 3.0 write protection switch question

I bought a USB 3.0 flash drive with a write protection switch for use with a Linux live distribution. My question is, once the OS is installed and running, I tested it and I can still install programs ...
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0answers
135 views

Is it possible to debunk Intel Management Engine conspiracy theories using a data usage monitor device?

If there would be any backdoor in recent Intel CPU's, then it should send and receive data secretly. Isn't it possible to easily debunk this conspiracy theory by implementing a third physical device ...
40
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8answers
8k views

Are all USB-based attacks dependent on being able to inject keystrokes?

From what I've seen, USB-based attacks such as RubberDucky need to be able to open a terminal and then execute commands from there, usually to download and then install malware or to open a reverse ...
1
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2answers
118 views

Can you trust your computer devices to be safe to use if they have been in the hands of potential hackers? [duplicate]

Suppose you lose the bag containing your laptop along with its accessories or while travelling the police confiscate all your computer devices, can you safely use all the devices again if you format ...
2
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1answer
171 views

Best practice to secure hard-drive in case of theft or loss or unauthorized access?

Scenario: a person owns and used only a laptop (or PC) and on its hard drive is stored sensitive information, in addition, in browsers the logged-in sessions to gmail, facebook, server, etc...etc.. ...

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