The physical components of an IT system.

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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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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 ...
4
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1answer
257 views

HeartBleed and Closed Source Hardware like Cisco

With the release of heartbleed how does one protect themselves with closed source networking hardware like cisco? Especially hardware with VPN variety. Would it be best to replaced such systems with ...
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2k views

OPAL Hardware Encryption [closed]

I recently bought a laptop which has OPAL compliant Self encrypting hard drive. I wanted to know how I could use/check the status of the Hardware Encryption features of an OPAL drive (windows, linux ...
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5answers
2k views

Is it ok to cut some digits from the front-face of a credit/debit card?

I'm a European expat living in Asia. I usually hide my credit card at my apartment. However, I'm a bit scared about losing it when I carry it (wallet robbed or lost). That's why I already scrubbed ...
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4answers
486 views

Malware via power outlet

This is perhaps a very dumb question, but as I have no knowledge nor experience of IT security I have no option but to ask here. Is it possible to get malware onto your computer or smartphone by ...
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3answers
375 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 ...
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3answers
3k views

Can malware physically damage a hard drive?

I recently responded to an incident of supposed malware infection. The symptoms were simply, "My computer freezes at random times." The response ended with replacement of the physical hard drive and ...
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2answers
383 views

How do hard-wired backdoors work?

How can a vulnerability be hardwired? Just read this article, which got me thinking. Is there simply vulnerable software running on a piece of hardware that is read/write only or..?
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4answers
354 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
219 views

Is this a security risk for us to lost TPM or others to access to reset BIOS ?

In the previous post Physically secure the system case it is recommended to physically protect the system. But in case stolen laptops where intruder have physical access to TPMs. What are the security ...
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1k views

EMV Security? How is it possible that it's secure?

I recently read some articles on EMV and the various ways in which it has been improved over the years. I then read this which shows that it has been possible for some time to exploit EMV via a man ...
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1k views

Is hardware based disk encryption more secure that software based?

As a spin-off of my question on "Advice on buying an encrypted disk" -- and in an effort to address the question "how is hardware based disk encryption better?" -- I've started a new question. My ...
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1answer
37 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
134 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 ...
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2answers
624 views

Does a flatbed scanner remember any of its previous scans?

I'm about to get rid of an older scanner and I want to make sure that no one is able to acquire any sensitive information that was scanned previously with the machine. I assume it does have some kind ...
3
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2answers
976 views

Possible to use a YubiKey in HSM mode to secure a Windows CA infrastructure?

I'm looking for a low-cost Hardware Security module, and discovered that YubiKey has a HSM mode. I'm not entirely clear if this HSM mode is what I'm thinking, but I'd like to use it as the offline ...
3
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1answer
240 views

Equipment required for sniffing data / address buses via EM emission

What kind of equipment would be required to sniff data from the electromagnetic emissions of data / address buses on an average motherboard? I'd imagine a sensitive hall probe, a faraday cage and ...
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3answers
851 views

How is it on some removable media, when enabling/disabling password protection the changes happen immediately?

For example I have a WD Passport external hard drive. After installing WD security I can enable and disable password protection, however the settings basically get applied instantaneously. Does this ...
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3answers
260 views

Are there implementations of password hashing algorithms for major frameworks that utilizes specialized hardware like GPUs/FPGAs?

It is common knowledge that password cracking attempts can greatly benefit from specialized hardware such as large clusters of GPUs or FPGAs. Are there any implementations of the commonly recommended ...
3
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2answers
643 views

Electromagnetic induction attacks - reverse TEMPEST?

I know that electromagnetic emissions from a device can be used to extract information from a system, e.g. TEMPEST or Van Eck phreaking. I also know it's possible to induce a signal into a ...
3
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2answers
477 views

What are the pros and cons of using yubikey with ssd hardware encryption?

I'm considering trying out yubikey and I've recently discovered that the (crucial m500) SSD I recently bought supports hardware encryption. I think it should be possible to use a yubikey to provide ...
3
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1answer
345 views

Trial version security

I am developing stand-alone software in BDS 2006. I want to provide a trial version for 6 months -- the user can use it for just 6 months, but no more on a particular system. I have handled most ...
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1answer
2k views

good product to physical lock down a mac mini server?

Since the recent theft of a mac mini and macbook pro Im looking into products to lock down the mac mini server 2011 model. There are many cable solutions out there like kensington but the mac mini has ...
3
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1answer
89 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 ...
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1answer
99 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 ...
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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 ...
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2answers
333 views

Literature about IT security from a hardware standpoint

Can you point me to any book, blog, paper, anything about IT security on the lowest possible level (hardware)? I'm primary interested in the motherboard, CPU & GPU, however, if you know any good ...
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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 ...
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1answer
135 views

Are auto-mounting hard drives a security issue?

Why are hard drives mounted by default in Windows OS, while they aren't in Linux OS? Is that a security issue? If your computer was hacked, can unmounted drives be considered clean?
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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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2answers
132 views

Is any company or group working on secure hardware architectures? [closed]

My impression is that mature Unix-like operating systems are less vulnerable to trojans that might be present, mainly because of well-debugged kernel code, including correct use of hardware memory ...
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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 ...
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2answers
146 views

Is bugged CPU mean “gameover” for whole Computer? [closed]

I'm looking for answer on such question. Imagine that CPU bugged on the factory simply like Blue Pill, but for the network's interconnections. How exactly firewall of OS could protect station ...
2
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1answer
689 views

What kind of hashing is generally used in log-in modules?

Do operating systems hash the log-in password? What hash function is used in Windows XP, 7, 8,Linux Ubuntu, Debian, MAC Lion OS X ,...? Where should I look to know these security considerations of an ...
2
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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 ...
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? ...
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2answers
103 views

Secure one way radio communication

I was thinking about the feasibility of one way remote control using radio signals. The sending hardware would be bound to a computer and therefore have enough computing power, while the reciever ...
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2answers
473 views

Are Yubi Keys secure “out of the box” when purchased for use with Yubi Cloud?

The YubiKey personalization tool allows someone to configure a YubiKey for HOTP, challenge response, and a variety of other authentication formats. YubiKey offers a number of personalization tools ...
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2answers
324 views

Checklist for securing MacOSX

Is there a checklist for securing MacOSX machines?
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146 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 ...
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1answer
5k views

Are there GPS tracker for laptops?

Are there location tracker hardware (GPS receiver) which can be fitted inside of a laptop and it sends live location data to a remote location ? If yes, how to detect such trackers ?
2
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1answer
151 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 ...
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2answers
60 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
171 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 ...
2
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1answer
133 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
403 views

How does YubiKey protects it's secret key?

From what I understand, a YubiKey stores a secret key which can be used to generate passwords to enter a server. How does a YubiKey protect it's secret key? If it is plugged into an infected ...
2
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1answer
388 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 ...
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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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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 ...