The protection of personnel, hardware, programs, networks, and data from physical circumstances and events.

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2
votes
9answers
1k views

How to secure a public device against abuse?

What I mean by public device? E.g. in Germany we have small stations to charge cars powered by electricity. This stations are small towers with a flap. Behind the flap are plugs to connect the tower ...
0
votes
0answers
50 views

Useful object for a professional pentester [closed]

"Sorry if this question is a little stupid or unnecessary in this forum but i need a little help or imagination. I am student and I would like to become a professional pentester. My grandmother wants ...
0
votes
0answers
16 views

Inspect packets coming over Linux-based bridge, and run scripts when certain conditions are met [migrated]

I'm attempting to do some research regarding replay attacks on physically insecure devices. I have a Raspberry Pi device set up as a bridge to passively monitor Ethernet activity from a device to the ...
3
votes
1answer
109 views

How many unique house keys can possibly exist?

A Yahoo! answers user suggested that there are 5^5 possible unique configurations for a physical key, but the answer wasn't sourced. I wondered if anyone had similar numbers for how many possible key ...
0
votes
1answer
48 views

Storing data permanently vs temporarily

My lecturer said that since hard disk space is so cheap these days, most organisations do not delete the data on the disk. Rather, they only logically delete it (remove the link to the data). If this ...
1
vote
3answers
132 views

Best practices for notebook anti-theft. Computer tracking

I am buying a new Thinkpad with an in-built GPS/Cellular modem. I am thinking what are the best practices for making the notebook secure in case of theft. I am planning to do full disk encryption and ...
1
vote
1answer
58 views

Physical vs Logical - Location/Address

According to the CJIS Security Policy - Access Enforcement The information system shall enforce assigned authorizations for controlling access to the system and contained information. The ...
9
votes
1answer
195 views

Physical security - responsible disclosure

I recently discovered a way to bypass a commonly used security seal system, requiring no special equipment and taking only a matter of seconds. I feel obliged to disclose this, so as to avoid the ...
1
vote
1answer
116 views

Are there HIPAA requirements to encrypt our database hosted in AWS

I'm developing Medical Billing & EHR Software. On completion we are planning to use AWS for hosting and thus provide SAAS. Do we need to encrypt the MySQL database in order to keep HIPAA ...
0
votes
2answers
51 views

Can a 'fingerprint' file be used to track a stolen device?

A recent laptop theft, as well as concern that the data upon it might be deliberately accessed (on a drive with encryption or not), head lead me to think about how one might retroactively seek to ...
93
votes
12answers
20k views

What's to stop someone from 3D print cloning a key?

My friend just posted a picture of her key to instagram and it occurred to me that with such a high res photo, the dimensions of the key could easily be worked out. Therefore the key could be ...
2
votes
3answers
111 views

Securing data on a server

I have a server which has 'loose' physical security (somewhat easy for the entire server to get stolen). For the sake of the question, let's assume that anyone can access the server physically, what ...
0
votes
0answers
48 views

ARM Trust ZONE with Normal and Secure World

I am new to Security testing and I am working on 64bit ARM server. We are using ARM TrustZone technology. Is it possible for me to check If i am in Secure world or Normal world. How do I test the ...
0
votes
1answer
77 views

What is a AUTH-KEY in the security of the computers?

I don't know if this is the right section to post my question and if it is not I apologize. I'm studying security in computers and in particular the URL Spoofing. I understand that a form of URL ...
1
vote
1answer
69 views

Is there a value in using portable programs on a USB key?

If I am working writing a text document in a text editor (say notepad or MS word, or ...) then I can save the file and the encrypt this file. I can then try to erase the original file by overwriting ...
3
votes
1answer
60 views

What can be done to prevent disruption of hardware in the event of a powerful solar flare?

I'm under the impression that a sufficiently powerful solar flare can temporarily disrupt and even damage electronics. Are there any practical approaches that one could take to minimize this ...
3
votes
3answers
410 views

Finding hidden cameras

Let's say Alice, Bob, and Mallory all live together in a house. Mallory decides to go on vacation, but before leaving, she decides to play a game with Bob and Alice. She makes two claims: She has ...
2
votes
8answers
556 views

Finding Hidden Keylogger Through Forcing a Computation Error

It must be possible to detect keylogging by close scrutiny of timing between physical keystroke execution and the character's eventual occurrence on the screen. I've had a friend show me this with ...
1
vote
1answer
136 views

valid PDF signature without using hardware HSM or usb Token

I have a DMS system(alfresco) that needs to sign approx 50.000 valid signatures a year. The signing certificate needs to be acquired from one of the affiliated sub-CA's. So according to the Adobe CDS ...
3
votes
1answer
123 views

How hard is it to read flash memory off a chip?

What are the parameters in play, and what is a rough estimate of the hardness of the task of reading the contents of flash memory off a microcontroller? Of course, it is assumed that there is no ...
1
vote
1answer
81 views

Protecting data on an embedded device

I am to release a system-on-chip device that, during its lifetime, will come to store sensitive data. I want to make that data hard to extract or duplicate. Encrypting is good for dealing with MiTM, ...
-8
votes
1answer
133 views

Viable way to ruin a milk corporation? [closed]

Hack into their system and change the "Sell by" date so that it is immediately bad. How long do you think until they notice, if you pull it off?
9
votes
3answers
688 views

Is it possible to prevent a physical attack on full disk encryption?

I've been researching into some methods to ensure that disk encryption keys can't be stolen, and one that I've come across is called TRESOR. With this kernel patch, you can create a partition that is ...
3
votes
2answers
127 views

Valid Characters For Magnetic stripe

We bought some Magnetic stripe cards and I'm writing a program that will get talked to by a mag card reader. What I need help with is that I can't, for the life of me, find out what characters are ...
1
vote
1answer
70 views

Is Domain Logins a potential attack vector?

Say you have a windows server that works as a PDC AD box. Is this a potential Attack Vector for a small 20 people buisness? Wouldn't it be better to simply have an encrypted database file with all the ...
2
votes
2answers
483 views

What are the pros and cons of using a password safe instead of writing passwords on paper?

Many companies have policy again writing passwords and paper and I wonder if there reasoning is sound. Is it always better to use a software password safe than writing passwords on paper? Here are ...
0
votes
2answers
437 views

How can I protect myself against programs that turn the webcam on without the indicator light? [duplicate]

Webcams can be turned on without the indicator light: to prevent unwanted use, I wonder whether there exist applications warning that the webcam is being used, or any other kind of protection. ...
1
vote
0answers
39 views

Advanced research in securing development environment when offered via remote access

With this question I am looking for a direction or suggestions towards advanced research that might be going on currently in designing remote access environments for the development environment(DE) ...
4
votes
1answer
327 views

Write-protection at hardware level for security

It seems to me that to maximise server security, one ought - in addition to the usual security measures implemented in software - to prevent the overwriting of certain parts of the server system, such ...
-1
votes
1answer
60 views

Network and data security for small online businesses? [closed]

What is the most efficient way of protecting small online business from outside threats. Everything too much expensive is not a solution. I've been looking for good web application firewall and at ...
5
votes
2answers
218 views

How to destroy VOIP phone in a proper way?

Are there any standards which consider safe destroying of VOIP phones? I would like to prevent eventual data leakage after devices which have left the company.
0
votes
2answers
814 views

Is it possible to install spyware in password protected android phone?

I own samsung galaxy y, an android. I suspect my roommate has installed spyware in my phone. Is it possible to install spyware in password protected android phone ?
1
vote
1answer
189 views

Does a PCI DSS category 2x device require the same physical security as a 1a/b?

I am trying to further understand the scope of my environment. I have a group of category 2x devices that are used to manage a category 1b device through a category 2a device. I understand my group ...
0
votes
0answers
64 views

Protecting computers from quick physical access attacks [duplicate]

What steps need to be taken to protect a computer from quick attacks that involve physical access? (Note unlike this question, I'm primarily interested in stopping the attacks, not detecting them; ...
0
votes
1answer
1k views

How to secure my network, laptop, ipad and email accounts which are possibly hacked?

Background Last month I noticed lots of failed emails in my inbox and after few minutes I lost my access to my Yahoo Mail. My friends informed me that they have received spam emails from me. So I ...
4
votes
1answer
146 views

How safe are CD's for Air Gapped computers?

It is often suggested, for air-gapped PC's, to use CD/DVD's as a transfer medium between machines instead of USB sticks or portable hard-drives as it is difficult to write data to a CD/DVD without the ...
1
vote
3answers
226 views

Environmentally friendly ways to destroy hard drives

The best method to prevent others from reading the data on hard drives is to destroy the drives physically: a sledgehammer is a cheap and effective tool to prevent the data from being read again. ...
5
votes
1answer
158 views

What can be done to bridge the Air Gap, except autorun?

What can be done to bridge the Air Gap, except autorun? Is there any hardware butterflies that can attack physically isolated Unix/Linux machine in common usb drives, like VSC (Vendor Specific ...
3
votes
3answers
223 views

Alternate Workstation Lock mechanism

We're all aware of the need for physical security. Everytihng from locks on doors to locking your computer when you leave it. I'm having trouble with some people leaving their stations up as they ...
4
votes
2answers
291 views

Is it possible to reliably derive a key from a biometric fingerprint?

Many products (e.g. notebooks, security doors and now smartphones) support some form of fingerprint authentication. That seems simple enough: A trusted system compares a stored representation of a ...
1
vote
1answer
198 views

How much information can be obtained from observing someone type their password?

Seems like it wouldn't be too hard to determine if someone is using all lowercase, special characters, or even the length of their password. In fact, the length might be discovered from audio only. ...
1
vote
0answers
47 views

elapsed time from the time of opening of a container [closed]

Does anybody know of any packaging which measures elapsed time from the time of opening? I have conducted a great deal of research and have found packaging which monitors exposure to temprature and ...
2
votes
1answer
84 views

Web App Protection and Sign On

I have a client that wants to protect access to a web app in case the employee leaves because the app gives access to clients, sales, etc. He wants to "hide" the login credentials to this app and ...
3
votes
2answers
123 views

How do I report a vulnerability to a large organization that doesn't believe it has a problem?

This issue is more political than technical. The organization has a lot of computers that connect via web browser to a central database. Customers are regularly left unattended with physical access ...
3
votes
2answers
444 views

What to do when GSM/Wifi is jammed and ethernet cables are cut?

So.. There are household alarm systems (to defend against burglars) which send SMS/e-mail alerts if an intruder has been detected or an alert is trigged. However, Mobile networks can be jammed, and ...
2
votes
2answers
208 views

Physically Blocking All PC Ports?

I've got a laptop that is currently 'Air Gapped' that I want to further secure by locking down the USB ports and NIC. I've disabled the NIC from the BIOS, removed the WiFi and bluetooth modules. But I ...
3
votes
2answers
867 views

What risks are there with a Bluetooth based door lock, and are there any mitigations?

There are a few interesting Bluetooth door locks on the market that use version Bluetooth 4.0 however there seems to be a few issues with this E0 Encryption flaws Risks during pairing Attacks ...
3
votes
2answers
269 views

Door locks & deadbolt appropriate for exterior office door with decorative glass next to it

Suppose I have an office door that has decorative glass on one side of the door. The risk to me is that the window pane could be shattered and a gloved hand can manually unlock and open the door from ...
0
votes
1answer
140 views

What are techniques for end users to select keys on a smartcard?

When multiple keys exist on a given smartcard, how can a user choose between them for a given identifier ... ideally without a loss of privacy? For example suppose I have a government issued ID that ...
29
votes
5answers
2k views

Are there any guidelines for passwords that need to be read out loud?

I recently saw the movie Olympus Has Fallen. Like in many action movies, at the end a missile is launched, and the hero (Mike Banning, played by Gerard Butler) has 60 seconds to recall the launch in ...