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

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4answers
277 views

I didn't wipe my hard drive before I sold it. How would a criminal take advantage?

I just sold a Mac Mini, and I erased/formatted the hard drive before I turned it over, but I didn't wipe it securely (not wise, I know). How would a criminal take advantage of this fact? What is the ...
2
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1answer
89 views

CISSP Cert: can an IT sales pro pursue CISSP? [closed]

I am a sales and product professional who has a total of 9 years experience in IT; related to selling products indirectly or directly. I started my career working as a product manager for hardware ...
10
votes
1answer
325 views

What benefits do Hardware Security Modules provide when keys are not stored inside them?

I'm researching a project that makes use of cryptography. It is a .net application with keys stored in a sql server database. For cryptography, the project uses a Hardware Security Module similar to ...
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3answers
300 views

Most secure way to isolate computer on network

I handle personal client information. Stuff that shouldn't get lost. Because of this, I have had to be careful not to download or install anything that is in any way uncertain. One data stealing virus ...
5
votes
2answers
282 views

Can Silicon Secured Memory prevent buffer overruns?

Oracle have recently announced the new SPARC M7 chip. It has an interesting feature called Silicon Secured Memory which claims to prevent memory corruption bugs like Heartbleed and Venom. The idea is ...
0
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1answer
34 views

How can a customer authenticate EPOS device and make sure it's not fake?

In the scenario where customers use magnetic stripe payment cards and are paying via EPOS, a merchant can put a fake EPOS on the table that looks identical to real ones, the customer uses his card on ...
3
votes
1answer
288 views

Smartphone motherboard - Does it hold any data?

I recently went for a smartphone repair and got its motherboard replaced. However, it didn't occur to me to ask for the damaged motherboard back. I had confidential credentials and data stored. No ...
3
votes
0answers
131 views

How far should I go in protecting a user's SMBIOS UUID?

My server will be receiving data from several hundreds of computers. As part of keeping track of which computer sent what, I will be fingerprinting the hardware and keeping the results in my database. ...
3
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0answers
87 views

I want to lock my Macbook lid shut. Where to buy? Alternatives? [closed]

I'm attempting to lock down a computer from unauthorized access. I own a macbook pro late 2011. Backstory I've gone through the basics with file vault and firmware password etc. I'm also getting a ...
-1
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1answer
215 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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2answers
93 views

How could an hard-token be packaged such that the recipient could trust it?

I purchased a Yubikey NEO, which arrived in a small plastic thing, inside of a padded envelope. An attacker with access in transit would have had basically unlimited ability to manipulate it. Which ...
54
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6answers
11k views

Can RAM retain data after removal?

Is it possible for RAM to retain any data after power is removed? I don't mean within a few minutes such as cold boot Attacks but rather 24 hours plus. Working with classified systems the policy ...
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2answers
45 views

Preventing Active System Compromise in Iran

A friend of mine is politically active in Iran and under constant surveillance by the rigorous secret service there. There are frequent break-ins into her apartment. She finds her system often ...
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votes
2answers
127 views

Using smart cards for email encryption and SSH

Suppose I have a small organization, every user has a recent Macbook Pro, can buy a ~$25 smart card reader on Amazon, and I want to use keypairs where the private keys are on personal smartcards to do ...
5
votes
2answers
220 views

“Memory Sinkhole” attack and virtual machines?

Recently a design flaw in some Intel X86 processors was revealed at Blackhat. The flaw enables malicious code to gain access to SMM. The flaw can be exploited by an attacker with administrator ...
10
votes
2answers
383 views

How to know whether a RAM module is vulnerable to rowhammer before buying?

I'd like to know (or at least perform some reasonable guess) if a RAM is vulnerable to rowhammer attack. I haven't found any list of vulnerable or secure RAM modules. I've seen some general rules (...
3
votes
1answer
82 views

What can virtualisation infrastructure operators do about ring 0 SMM exploits?

Just saw this new privilege escalation from Ring 0 to SMM. Say I am operating a small VM/cloud infrastructure for internal people to run whatever they like, is there any way to prevent this ...
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vote
3answers
209 views

how to protect my data from malware/spyware that infected my BIOS?

we all know that some countries do their best to spy on their citizens and the citizen of other countries and that countries maybe have specialized spying agencies wither they are known or not, and, ...
6
votes
1answer
199 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 ...
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1answer
138 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
124 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 ...
9
votes
2answers
388 views

Do I need to use the cipher command with a newer SSD to erase files?

I've used Eraser in the past, and recently became aware of the cipher command in Windows 8. Specifically, with the /w flag: /w removes data from portions of the volume it can access and have not ...
3
votes
1answer
75 views

Securing the bootloader

When using full disk encryption the bootloader is not encrypted thus allowing attacks like the Evil Maid. My question is how can I secure myself from this? Can I encrypt the drive or store it in a ...
37
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2answers
4k views

How can it be easy to write but “impossible” to extract the private key from a crypto token?

A number of crypto-dongles make the claim that it is impossible to extract the stored private key once written. Yubico: The YubiKey AES Key information can never be extracted from a YubiKey ...
2
votes
1answer
77 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 ...
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0answers
37 views

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. ...
2
votes
1answer
29 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 ...
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votes
2answers
432 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 ...
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1answer
153 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 ...
2
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0answers
44 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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2answers
464 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
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0answers
53 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 ...
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votes
5answers
3k views

Are consumer-grade routers any more or less vulnerable? [closed]

I apologize if this is an obvious question, I'm not very familiar with hardware. I am planning on hosting a few personal websites from my home, but I'm concerned about my security. I'm using a fairly ...
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2answers
526 views

ENCASE Forensic: Detect if someone ran CCleaner or CleanUp software

I have Encase. and I'd like to know where can I find if someone ran CCleaner Or CleanUp software to erase evidence.
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1answer
235 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 ...
4
votes
1answer
87 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 ...
1
vote
1answer
42 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?
4
votes
1answer
753 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
226 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 ...
12
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2answers
4k 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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votes
2answers
1k 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 ...
10
votes
1answer
281 views

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

I want to use the AES hardware accelerator in am335x. I was able to generate the cryptodev.ko and cryptosoft.ko drivers. From my application program I am making use of openssl apis in CBC mode, and I ...
2
votes
0answers
243 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 ...
5
votes
1answer
96 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), ...
5
votes
3answers
389 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 ...
5
votes
3answers
378 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 ...
4
votes
1answer
558 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 ...
6
votes
2answers
164 views

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

In software, code auditing can be used as a mean to gain trust into a software. Of course closed, proprietary software would complicate this, and require to do reverse engineering. Anyway there seems ...
4
votes
1answer
225 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
votes
1answer
129 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 ...