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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How to identify which device is malicious

I'm facing a surprising problem : A windows 10 computer seem to use keyboard and mouse by himself on the login screen. So I'm guessing : It's not a software intrusion, because it that way the ...
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1answer
855 views

Requiring hardware key at boot-up on normal laptop

I am sure that a question like this already exists and has probably been answered. I just couldn't find any results (probably due to my inability to word my question correctly). We use laptops at ...
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Is Linux dangerous for secure environments because it's open source? [duplicate]

I work for a company that sells hardware products with Linux embedded into the product. We lost a job for a defense contractor due to our hardware running Linux. Their reason was "because it's open ...
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How to securely generate a License tied to 1 Computer for each user

This question is related to my first question: How secure is this schema for Online Licensing System? I'm trying to sell a subscription based software and I can't find a good way to generate a serial ...
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1answer
324 views

Which encrypted USB stick is the better option? [closed]

I am looking for a hardware encrypted USB stick to carry some important files such as my KeePassXC database, Key files, cryptocurrency wallets, certificates and other stuff with me. There are some ...
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32 views

Possible physical interface attacks of BMCs on a server

Following from: here, Let's say you have a server at a data centre, but a hacker manages to find a way in and has access to your server. What are the attack possibilities regarding Baseboard ...
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113 views

Re: Intel IME\physical-access exploits - Has a Manufacturer ever (unintentionally) released malware-infected PC Components?

Given the discovery that Intel's IME can be hacked by USB (since 2008), I started researching hardware level exploits - like the Stuxnet USB attack on Iran's Nuclear plant and I'm curious about the ...
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1answer
380 views

How would you totally isolate a laptop from any network? [closed]

I've been thinking hard about that Faraday's cage, but what if someone needed to use the computer ? Also, the laptop wouldn't be trusty, so you never know exactly what's inside, what could emit ...
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32 views

Retrieve information about “memory protection”

I read in Wikipedia that there were two ways to achieve "memory protection" Access control lists "Traits" where a SUN processor used traits for pointer and the memory. That particular processor had ...
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1answer
906 views

Samsung SSD 840/850 EVO with DiskCryptor?

Samsung's 840/850 EVO SSDs have hardware full disk encryption feature, however the stock disk management app (Magician) only mentions BitLocker's support. Encrypted Drive feature provided by ...
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Is the SanDisk ULLtraDIMM secure after power-down?

I found an interesting product last night called the SanDisk ULLtradDimm SSD (product page), which essentially claims drastic performance gains by plugging an SSD into a standard DDR3 memory channel. ...
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Secure delete with urandom? [duplicate]

What recovery techniques (if any) exist that can recover data from a mechanical HDD if the user has filled the disk with a single run of dd if=/dev/urandom of=/dev/[disk]? Or in other words: is this ...
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262 views

How far beyond using Shred should I go when deleting files? [duplicate]

Possible Duplicate: How can I reliably erase all information on a hard drive? I'm looking to securely erase my files. Is shred the best option besides ditching the hardware? To what lengths ...
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2answers
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How bits/bytes are handled after performing Meltdown? [closed]

I understand how it works but for example after reading 4 bytes, how do it undertand if it was originally an integer or 4 different characters? Both of them could give a meaningfull result.
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1answer
98 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, ...
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3answers
1k views

How do headphones work? Do they contain firmware? [closed]

How do headphones work? Do they contain any firmware or any instruction set? Are they vulnerable to anything? Good old wired analog Jack ones, not USB wired, wireless, Bluetooth which have lot of ...
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1answer
1k views

Can Malware Infect Hardware/Firmware

So, my MacBook Pro packed it in over the weekend after I drunkenly vomited all over the keys. I brought it to the Apple store (without the hard drive installed) for an assessment. The results of this ...
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1answer
435 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
74 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?
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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, ...
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1answer
57 views

threat intelligence gateway [closed]

A TOG (threat intelligence gateway) is a hardware piece that sits between the router and the firewall. The TIG uses the threat intelligence and filters out the malicious urls and IPs before reaching ...
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1answer
110 views

What hardware components in a laptop should be removed in order to prevent it from wirelessly communicating with other devices?

If you have a laptop, what hardware components should be removed in order to prevent it from wirelessly communicating with other devices? In other words, how can I prevent a laptop from getting ...
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1answer
65 views

What hardware could be implanted on someones computer to bypass their VPN? [closed]

I was wondering what hardware could be used to bypass a VPN and get a user's email for example.
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1answer
111 views

MicroUSB equivilent of the Killer USB drive?

There's something so satisfying about the killer usb drive: https://arstechnica.com/security/2015/10/usb-killer-flash-drive-can-fry-your-computers-innards-in-seconds/ 220 volts straight to the ...
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1answer
601 views

Recommendations for installing OSSIM

I'm an apprentice in web security and I was assigned with the task of researching about OSSIM. Bear with my infinite ignorance as I take my questions to the stack exchange gurus. What I know so far: ...
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1answer
2k views

Completely disabling microphone [duplicate]

Maybe not 100% on topic for this site but it seemed like a good place to ask. All laptops are now sold with webcams and microphones and I have use for neither. Taking care of the webcam is easy; ...
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1answer
96 views

TPMs available on mobile with application access [closed]

I am looking for a mobile device, preferably a smartphone or a tablet, that contains a TPM (v1.2 or 2.0) and provides application access to it through an API. Does anyone know if any such devices ...
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1answer
130 views

Can hardware be infected with remote administration malware?

can a READ-ONLY dvd/cd player have firmware in it get infected with a RAT? I read 2 different opinions here, a yes and a no. It is in relation to if a RAT gets onto computer via ip address or opening ...
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1answer
772 views

Setting up a pentesting lab on my personal laptop [duplicate]

I'm getting myself a laptop for pen-testing using VMware etc. Theoretically speaking, if I were to replace the disk drive with a secondary hard drive, could I successfully set up the laptop to run off ...
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1answer
331 views

A hardware spy chip was found in server equipment recently. How does it work? [closed]

According to Bloomberg (and many other sites) some servers manufactured in China and shipped to the US were infiltrated with a spy chip the size of an SMD capacitor (as it says in the article): https:/...
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1answer
100 views

Using stingray against police (idea) [closed]

This is focusing on UK mainly, where police radios are similar to mobile phones. Pretend it's possible to buy Stingray, the IMSI scanner. Pretend Jimmy is a criminal, waiting for a police raid at any ...
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1answer
2k views

Webcam hack while laptop is offline

Well, basically the subject says for it self. Is it actually possible to hack the webcam of a PC that is turned off? We're not talking about an infected machine. For example, by remotely turning ...
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1answer
853 views

How to protect my laptop screen from being hacked? [closed]

My laptop screen has been hacked, and I think that it is by Van Eck phreaking method. The attackers can see my screen, they are seeing my screen right now. I never even talk to them and these ...

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