The physical components of an IT system.

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Where can I view IO device history in Windows (8/7)? [migrated]

Essentially I need to view the IO devices that have been connected/disconnected in the past, and when they'd been connected. If such logs don't exist, how can I record them? I was able to find ...
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1answer
61 views

Is there a backdoor in the hardware of our smartphones?

I don't know for you but I always felt like Android especially is not safe. Is somebody - the government or other - able to listen to my microphone, or access my hard drive remotely ? I'm wondering ...
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0answers
17 views

Topics to start an interest group at our company [on hold]

Good afternoon everyone, I'm looking to start a Communities of Practice at my job. Our company is largely involved in application development for our customers but we also want to get into, what my ...
4
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1answer
51 views

Should I wipe a brand new Machine and HDD ?

So I am buying a brand new machine and a HDD separate, when I buy this new HDD should I wipe it before I install it ? What necessary steps should I take to make sure it's pretty much clean of any ...
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1answer
31 views

Can one trace downloads in storage unit? [on hold]

Does My Passport WD keep a history of downloads, transfers etc? In other words can user A detect user B's activity? Or can it just see the content of the storage unit?
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1answer
24 views

What comprises the AIS-31 standard for TRNGs?

I'm researching how my smart card's chipset generates random numbers. According to a source in forums the YubiKey NEO is based on the A700x chipset from NXP. The page for the chipset indicates that ...
3
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1answer
135 views

HSM maintenance

I have a HSM that is an asset within a information security management system and the help desk team tells me that the device is displaying a critical failure alert. So my questions are: Must I ...
6
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2answers
242 views

What are the differences between TPM and HSM?

TPM (Trusted Platform Module) and HSM (Hardware Security Module) are considered as cryptoprocessor, but what are the differences exactly? Does one of them have more advantages than another?
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1answer
40 views

Is there any protection against malicious devices on a CAN bus?

CAN (controller area network) is a bus used in all modern cars. You can read a lot of the cars information over this bus and I think (but I'm not too sure about this) that some critical control ...
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31 views

How to make sure that the cryptographic hardware accelerator is being used in am335x?

I want use the AES hardware accelerator in am335x. I was able to generate the cryptodev.ko and cryptosoft.ko. From my application program I am making use of openssl apis in CBC mode. I wanted to ...
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0answers
66 views

how many sha1 hashes per time on current hardware [closed]

How many sha1 hashes per second can current hardware (say a 500$ gpu) compute, when the input is 256 byte long? (or any other length). The question behind is how long (or how costly) is it to mount a ...
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0answers
32 views

Is malware or screen capture possible with iMac as external display?

If using a foreign iMac as an external display (through the Thunderbolt to Thunderbolt, or Mini DisplayPort to Mini DisplayPort cable, and Command+F2 on the iMac, as per iMac Target Display Mode FAQ), ...
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1answer
103 views

Disable USB keyboard pluggability on MacBook

I'm concerned about USB devices being physically attached to my MacBook laptop when I am about to unlock my computer or while my computer is unlocked. My threat model involves an attacker who is ...
2
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2answers
61 views

What use does a BIOS/EFI password have?

I have become quite a password-obsessed individual. I password-protect my HDDs, my files, and now even the BIOS/EFI on the various systems I own. But I have discovered that if you forget your BIOS ...
3
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1answer
93 views

PGP key on smart card: why do I need a “secret key” on disk?

I have a YubiKey NEO on which I have the OpenPGP applet and I have a PGP key installed. I work on 3 different computers and I initialized the card on computer bob. I'm now at computer rob. Someone ...
3
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35 views

software can be audited, is there an equivalent for hardware?

In software, code auditing can be used as a means to gain trust into a software. Of course closed, proprietary software would complicate this, and require to do reverse engineering. Anyway there seems ...
2
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0answers
40 views

How are Intel/Amd Microcode Issues Delivered? Is it possible to block them?

After reading this article, I am really curious as to how, exactly processor microcode updates from Intel or AMD are issued. In what way is the data transmitted? Is it possibly to 'firewall' these ...
7
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1answer
84 views

Anonymity of sneakernet: identifiable information on removable storage

Alice, an anonymous informant, would like to transmit digital documents to Bob while maintaining her anonymity. For whatever reason, she chooses to copy the documents to some kind of physical ...
2
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0answers
114 views

Performing an airport scan on my Mac for available WiFi networks pulls up multiple SSID with different mac address. What's going on?

I performed the following command to search for available WiFi networks in my apartment complex: /System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport scan | grep OBC I ...
4
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1answer
86 views

Realistic: Exploiting a computer on BIOS/ hardware level in less than an hour? (Infinite preparation time)

I wonder how hard it it to infect a laptop or netbook in 60 minutes or less in a way the victim cannot easily clean their machine by wiping hard disk drives. Let's assume the following: The ...
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3answers
85 views

What can manufactures of hardware do to prevent attacks on the firmware?

Given the revelations since The Equation Group was discovered. As well as that it is possible to not guarantee removal of a rootkit even with a nuke from high orbit. What properties of a harddrive ...
2
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1answer
182 views

Intel SGX and MSRs - what do developers need to know?

Intel SGX is an intriguing new technology that will ship as part of upcoming Intel processors. It is designed to enable running software in a secure enclave. Code running in the enclave will be ...
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0answers
61 views

Ring Oscillator: TRNG vs PUF

Ring oscillators can be used in hardware true random number generators (TRNG), and also in physically unclonable functions (PUFs). The designs seem fairly similar: TRNG based on ring oscillators: ...
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1answer
83 views

Spying on insulated cables (electromagnetic/induction field)

I hope this is the right forum to ask this question. If not, please tell me where to go. From my understanding most cables have an electromagnetic field around them when data passes through them and ...
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1answer
161 views

How to minimize the risk posed by Intel AMT/ME's “ring -3 exploits”?

This question is about how to minimize the risk posed by Intel AMT/ME's ring -3 exploits? I'm looking for advice on common strategies and practices. Here is my current situation. I am parking my ...
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1answer
73 views

What's the best, most unique (and uneditable) hardware id or key for each computer? [closed]

I'm a C# programmer and I'm looking for the best way to "know" what hardware is running my software. What is the best uneditable and unique "hardware id" in each computer?
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1answer
46 views

Are servers that do not implement time services vulnerable to clock skew attacks?

An article describes clock skew attack possibilities §§: These can be attacked by repeatedly connecting to the hidden service, causing its CPU load, hence temperature, to increase and so ...
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3answers
149 views

Tamper proof hardware - not resistant

Can you make a TPM (or any piece of hardware) Completely tamper-proof? The “regular” tamper resistant hardware has various physical attacks http://www.milinda-perera.com/pdf/EKKLP12a.pdf I have been ...
63
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7answers
21k views

Is it possible the person sitting across from me at Starbucks was trying to hack my laptop?

I was using my laptop at a Starbucks on a table, and a person was using a laptop on the same table across from me, a couple seats to my side. He flicked some plastic thing across the table towards my ...
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3answers
163 views

Hardware encryption for Flash Drives

Could someone tell me the difference between Hardware encryption and Software encryption? (With regards to flash drives, if it makes any difference). From what I understand, software encryption is ...
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1answer
86 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: ...
5
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1answer
242 views

Hardware-based full disk encryption without pre-boot authentication [closed]

I am looking for a possibility to sanitize large amounts of data on regular hard-drives and SSDs. Instead of overwriting the data several times (on regular hard-drives, which could take days and ...
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1answer
100 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
50 views

How do chips with write only functionality that store keys work?

I know there are HSMs that let you enter keys but you cannot read them out. Also the secure element in Android lets you do that too. You can enter keys in them and you can perform operations using ...
5
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1answer
250 views

Keyboards using 2.4GHz with AES

I got a Microsoft Sculpt keyboard, as it seems to be a small improvement over the much loved Ergo 4000. (What I'd give to have an Ergo 4000 with CheryMX Blues...) On various sites, they have this one ...
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1answer
167 views

How to ensure a second hand computer is safe to use [duplicate]

I'm planning to buy a second hand computer (2012 Mac mini, which is no longer available in stores). Because I'm not sure if there is any malware in the computer so I will perform hard format several ...
3
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4answers
359 views

Hardware token to authenticate web application

My company is developing a web application, and I was asked to research how to do hardware-based token authentication to login into our web application. Let me repeat: basically there will be a web ...
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1answer
156 views

Hardware Implementation of Encryption Algorithm

In the abstract of the AES-GCM RFC, the following passage is prominently included: [AES-GCM] can be efficiently implemented in hardware for speeds of 10 gigabits per second and above... Is the ...
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1answer
85 views

Xbox and Playstation copyright protection vs PC

AFAIK, both Xbox one and PS4 use x86 IC very similar to PC. The questions are: 1/ How can they keep those console systems protected from cracker and software privacy? What is the main method to ...
0
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1answer
120 views

Are there approaches/mechanism to detect hardware backdoors?

Background: A nice Chinese based manufacturer (AllWinner Technology Co.Ltd) produces very useful SoC used boards that often claim to be open source hardware. Question: If need be is there by way of ...
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13 views

How many kbdclasses are normal?

I use a laptop and never had used any external keyboards. Is there a keylogger hiding? What to do?
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1answer
44 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 ...
2
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3answers
160 views

Are scanners secure?

I have a dead tree document. In order to reduce the risk of being compromised, I would like to digitize and encrypt the document, and then destroy the physical copy. Let's assume my computer itself ...
2
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1answer
1k views

Does microwaving a hard drive erase it?

Kind of a silly question, but I'm genuinely curious: (in part because I recently saw several questions that refer to "nuking" a hard drive...) what would a microwave DO to an HDD? Would it erase data ...
3
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3answers
376 views

Could “system volume information” and $RmMetadata pose information leakage on a nuked HDD?

I recently nuked my HDD(s) via a Windows program (Disk Wipe to be precise: http://www.diskwipe.org/), now everything is fine when I try to retrieve the information on that disk by any program I can ...
1
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1answer
107 views

How to prepare a used computer to handle sensitive information

After buying a used computer from a stranger, what steps should be taken to ensure it is safe to use for connecting to a network that handles sensitive information? (I am defining "sensitive" broadly: ...
6
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3answers
1k views

Do cell-phones exist with open source baseband processors?

In a recent question (can't seem to find now), someone asked: Is it possible to track a phone which is off? and received a response of Who's to say that it's really off? Your phone has both ...
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1answer
72 views

Importance of password strength with secure element?

Greetings SE security community. Background: I have a number of items like certificates, databases, and encrypted file systems that require private keys. In order to avoid having duplicates of these ...
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2answers
133 views

Long term HDD storage solution

I have some HDDs which are encrypted to what I think is a decent standard. I want to lock these away in a remote storage facility, but am a little worried about EMP/Magnetic stuff from wiping the ...
2
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3answers
105 views

Hardware trojan besides network card?

We all can read news about "Hardware trojans" (it has grown in the recent few years..). But my question is: Besides the network card, could there be any HW trojan that can cause any real damage? ...