The physical components of an IT system.

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1answer
159 views

What devices/types of devices typically have unique associated ID numbers?

Background (not necessary to read; just what makes me ask): Say someone's computer has either been hacked, or is running software run by $LARGE_EVIL_CORPORATION, and the hacker/$L wants to collect as ...
2
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1answer
42 views

Is it possible to build completely verifiable hardware?

Reproducible builds like they are used for Bitcoin, Tor or the Debian package repository aim at making sure that the binaries you install exactly equate the source code that they are supposed to be ...
2
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3answers
94 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 ...
2
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1answer
172 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 ...
2
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1answer
95 views

Autopsy/SleuthKit in the courthouse? [closed]

I am studying digital forensics and have been working with both AccessData's FTK and Autopsy to analyze disks for different assignments. I keep hearing that Autopsy findings should not be admitted in ...
2
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1answer
232 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 ...
2
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1answer
138 views

Old hardware for encryption and backdoor free

I've read and seen articles on backdoors in the processors or at least the idea of that would render software based encryption worthless. I do know that routers and lots of the newer devices all have ...
2
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1answer
393 views

TrueCrypt External Multimedia Hard Drive

I have an external multimedia hard drive (1.36TB). I made 4 partitions of 350GB each. Then I shredded the free disc space of all the partitions. Now I want to put Truecrypt on the disk. I can't ...
2
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0answers
10 views

Freshness for SGX enclaves

Future Intel processors will support SGX (Software Guard Extensions), which allows running security-critical software on your processor in a way that is isolated from all the other code. The hardware ...
2
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1answer
24 views

Is there an implementation of a trust on software on a host?

What I'm after is a trust that is established between the hardware and the software intended to use that hardware. This may require a certificate "burned in" to a specialized chip. The open SSL may ...
2
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1answer
92 views

Is it possible to do Public Private Key Encryption on a chip (hardware)?

Does a chip exist which will take input data and output encrypted data in a public private key scheme, where the public key is on the chip and the private key is located remotely? The ultimate goal ...
2
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0answers
34 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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0answers
59 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 ...
2
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0answers
134 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 ...
2
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3answers
268 views

Are there commercially available hardware encryption devices over USB? [closed]

I'm designing a system where some combination of hardware and software (lets call it an appliance...) sends asynchronous secure archival to the cloud. By secure, I mean, AES-256 encrypted, with AES ...
2
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1answer
210 views

Can linux (be made to) detect foreign connections to the ram bus?

I've been made aware on many answers and some comments that an attacker can read memory while a system is still running by attaching some sort of connection directly to the ram bus. Can linux ...
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3answers
1k views

How can this web page access the USB? [closed]

A friend bought a "smart" headset (working with voice commands). I had to install a software on Windows to be able to configure this headset. After downloading the software from the page, this page ...
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2answers
510 views

Are there sensors/devices to be used for reading magnetic bits of hard disk

I would like to ask about the availability of any sensor or device that can be used to read magnetic bits inside hard disks? I tried to google that but I did not see any useful thing till now. I think ...
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1answer
364 views

How do I properly bury a hard disk drive to keep it healthy?

As a way of backing up big amounts of data (about 1-2 TB) I thought it's good idea to bury a hard disk drive (in a damage-preventing shell) to be able to dig it later and read all the data from it if ...
1
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2answers
386 views

Seeking advice on how to build a box to brute force hashes? [closed]

I work in a startup security firm, and I need to build a GPU-based to brute force password/hashes, which can be used to validate password strength and test hashing algorithms. I expect some high ...
1
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1answer
57 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 ...
1
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1answer
186 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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3answers
1k views

Best practices for firewall hardware

I'm planning to implement a linux based firewall/router with at least 6 x 1Gb NIC's (network with ~300 computers/server with >=8 VLANs) Can anybody recommend hardware best practices (reference to ...
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1answer
54 views

The use of SHA-1 in a cyber forensic

Let's say a hard disk (A) is retrieved from a system to make a clone of it on hard disk (B) and use this clone for a forensic investigation. Is SHA-1 secure enough to make sure that no other ...
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1answer
89 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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1answer
121 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
222 views

Wireless Security Pen testing Setup

I had a Asus N82J laptop with a dual boot setup. I boot into Kali and Windows 7. Long story short because of my dual boot with Grub I corrupted my HDD the operating system kept moving blocks of ...
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1answer
536 views

Keyboards with built in SmartCard reader. PIN/Password to unlock not via Computer

I am looking for keyboards with a built in SmartCard reader, where the Smartcard can be unlocked directly without going via the computer. The keyboards I found so far connect the SmartCard reader via ...
1
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1answer
804 views

File system history on USB drives

I want to find out who deleted a specific file from a USB disk. The disk is formatted as NTFS. The file was deleted while the disk was plugged into a Windows 7 system. However, while I do have ...
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1answer
91 views

Can data be tampered with after expert clones a drive?

Introduction 3 computers were sealed and taken from a persons apartment. Investigators invited him to unseal the PCs, they were intact and they started the cloning process, however the hashes were ...
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1answer
115 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: ...
1
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1answer
78 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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1answer
5k views

What method of secure erase is sufficient for MacBook Pro SSD Drives? [duplicate]

I would like to securely erase the hard drive of a SSD in a MacBook Pro. The Disk Utility does not give me the option to wipe this drive even when I boot into the System Partition. (it is greyed ...
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1answer
728 views

Is Intel AESNI supported by Xen in VPS/Cloud hosting environments? [closed]

I'm having trouble determining whether when using a hosting company that uses Xen virtualization and Intel processors with AESNI embedded encryption, I would have access to AESNI (i.e., is it an ...
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2answers
562 views

Sun ILOM / Out of band management security concerns

I would like to get some outside opinion on this if possible, although I do not know what to ask. Sun ILOM is an Out-of-band management system. I understand it is a separate OS on the box that is ...
1
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1answer
54 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 ...
1
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1answer
213 views

What does hardware full disk encryption imply?

I read the wikipedia article and few others, however I still don't have some things clear. The main question would be what does hardware full disk encryption imply for the user, however I have more ...
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1answer
82 views

PCI approved device, does it matter if my POS is PCI compliant if it just passes info to the gateway and does not store the encrypted card data?

If my Hardware device is on the PCI list from here https://www.pcisecuritystandards.org/approved_companies_providers/approved_pin_transaction_security.php Does my POS need to be PCI compliant since ...
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2answers
129 views

Renting a remote server with IPMI: is one vulnerable?

It has been reported in the media and some security conscious mailing lists that some IPMI-enabled servers, implementations and brands suffer serious security issues. When you go to a dedicated ...
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1answer
725 views

Disabling built-in Wi-Fi adapter and protecting Wi-Fi's MAC address on a laptop

I have an XP laptop with Wi-Fi issues - it connects / disconnects intermittently. Anyway, I bought a USB Wi-Fi that works well. My security question are: Is there a way to completely disable the ...
1
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1answer
35 views

Identifying USB Device Anomalies..? [closed]

I have a laptop with 4 USB ports, and I have an external 4 port splitter that I purchased off amazon. Plugged into that is an external USB audio card. The audio card has a line-in port and an audio ...
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0answers
30 views

Potential hazards for reusing an X.509 private key for multiple services?

One thing I've been thinking about for a while is using a X.509 private key stored in a hardware security device (think YubiKey et al) on a one-per-machine basis. Theoretically, it should be possible ...
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0answers
39 views

Is there hardware which can prove that data was not read? [closed]

I am looking for information on hardware. Is it possible for a hardware device to prove that some data was not read? If so, how does work? I read something about a quantum machine using a polarized ...
1
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1answer
35 views

Can one trace downloads in storage unit? [closed]

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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0answers
95 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 ...
1
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1answer
88 views

Are there vulnerabilities in display connections? [duplicate]

I have been in the market for a DisplayPort KVM. Most of these products come from small companies I have never heard of and possibly do not trust. I understand the risk of plugging in USB to any ...
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0answers
208 views

Disable HNAP on D-Link router

I'm concerned that Home Network Administration Protocol (HNAP) is a serious vulnerability that exposes consumer network routers to remote management by malicious entities such as government ...
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2answers
429 views

Transmitting malicious code over audio speakers

In a post that reads like science-fiction, a security researcher claims that malicious code was being passed between computers. A few quotes: ... "badBIOS," as Ruiu dubbed the malware, has the ...
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2answers
91 views

How to make data in hard disk unrecoverable on linux [duplicate]

I need to wipe completely the data on my hard disk so it's unrecoverable. I'm actually using Linux, i have seen this command on the web, but I don't know if its secure. shred -zvn 35 /dev/sdb
0
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1answer
722 views

Buffer Overflow on Raspberry PI

Is the ARM processor used on the Raspberry Pi vulnerable to standard buffer overflows? That is, if a program that has a BO vulnerability is run on a Pi, will it be vulnerable to exploit? How does ...