The use of physical measures (such as locks and tamper-proofing) or policies (such as Clean Desk) in order to protect sensitive information from unauthorized access.

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2
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1answer
66 views

Apple's Keychain - good security?

This management system runs under a user's password. Should you let this software manage your Disk Utility encrypted folder passwords and the like (e.g. GnuPG!)? My thoughts are, "No." Why should ...
5
votes
1answer
100 views

Is the content of my RAM kept if the OS is shut down but the PC is still running?

I just asked myself if the content of my RAM is kept when I shut down the OS but the PC is still running. For example when I do apply updates they sometimes require a reboot. Is the informaiton that ...
2
votes
1answer
36 views

Cell number and imei details

Is there a device i can install to collect cell number and imei numbers for people within a vicinity? We want to install in an area for security reasons so that we are able to trace the people in the ...
3
votes
4answers
102 views

Thumbdrive and its obsolescence?

Using USB drives in the corporate environment is always the topic of security because viruses and malware can be introduced maliciously or unintentionally. For corporate environment, I am thinking to ...
8
votes
1answer
1k views

Is there a way to physically trace stolen hardware?

This must have been asked before, but I cannot find any related question. Is it possible to put into hardware, some kind of "transmitter", so that in the event of it getting stolen, it can be ...
34
votes
13answers
7k views

Laptop Anti-Theft Measures

A law firm I've been in contact with has recently been broken into 3 times in the past 4 months. In spite of a number of laptops and other equipment containing sensitive information being stolen, the ...
3
votes
0answers
77 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 ...
13
votes
2answers
391 views

What does banking etc. server room protection look like? What happens if it fails?

Given that information security is derived from physical security, as evidenced by this theft, I'm curious as to what protection surrounds my bank account? There are two main avenues I'm interested ...
2
votes
2answers
115 views

Physical protection of your servers?

Here is a scenario. You are a small startup company that makes a video game. In your video game, you can exchange money for items. You are not dealing with the credit card/debit card directly but ...
1
vote
2answers
90 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 ...
24
votes
12answers
6k views

Is it possible to prevent unauthorized copying or recording of data by photographing screens?

I am thinking on a way which would prevent unauthorized copying or recording of data by photographing screens. I also think, if the content of a screen is understable for an eye of a living human, it ...
2
votes
2answers
213 views

Securing physical access to your internet connection? (Apartment Utility Box)

I recently moved to a new apartment complex, had my DIY Time Warner box ready to go and hooked up my all my hardware. Everything booted fine but no connection to TW. I tested all the jacks in the ...
5
votes
5answers
612 views

Is encryption possible at the physical layer?

When we talk about encryption in relation to the OSI Model we usually hear about encryption at Application (Email - PGP), Transport (SSL), Network (IPSec) and even Data Link Layer (WPA). But I have ...
2
votes
4answers
108 views

Is it safe to use my personal password as my password in work related accounts?

For example I have this complex personal password cary1bondoc21cary2bondoc as my password and because I am forgetful I also want to used that in work related accounts like company email, etc. Is there ...
1
vote
1answer
269 views

Why isn't MSWindows product code kept secure? [closed]

Yesterday I have noticed MSWindows product code on KFC's machines is exposed to the public (photo below). It might be a mistake but it made me think of something a friend of mine told me once, how he ...
3
votes
2answers
216 views

Preventing boot from external media in case of theft of laptop or physical security breach in case of desktops?

I wanted to protect my Laptop from common theft. What I did was that I installed an anti-theft software on my Ubuntu 14.04. The guest account is enabled so that the thief can use my laptop while I ...
2
votes
1answer
126 views

Defense in depth vs single security architecture

Traditionally, we have been that defense in depth is the best practice approach if we want to secure our premises from security breach. However, I recently read about DoD's Joint information ...
-1
votes
1answer
129 views

A cctv system for a small shop [closed]

I am not sure if I should ask here but I really can't find any information anywhere else. A family member of mine (let's say X) runs a small fashion shop in Hong Kong, China. The problem is that ...
4
votes
5answers
338 views

Do I need to secure a computer from physical attacks when attackers can already harm in many other ways?

Recently, I was working on a computer system for a model railroad club. This computer system is capable of monitoring and controlling the positions of all the (physical) trains which could be ...
3
votes
3answers
152 views

What are the security implications of a dead laptop?

My laptop recently died. I've got a replacement, and I've already pulled both hard drives out of the old one and ensured that there's no disc in the DVD drive. As far as I know, that should ...
0
votes
2answers
96 views

Is there a cryptographic function that generates a reconizable visual pattern?

I have to build a system that will ultimately print a pass allowing access to a building. The validation of this ticket will be done manually (it can also be automatic but that's not likely at this ...
22
votes
2answers
3k views

How do Travel Sentry locks work? (supposedly openable only by security agencies)

Apparently Travel Sentry locks can only be opened: by their owner, by the TSA, CATSA and "other security agencies". How do they work technically? Is there some electronics embedded with ...
-1
votes
5answers
130 views

Security software to shutdown PC unless specific approach? [closed]

For future refence: In light of answers and critique, my question should have been: 1. How does one make sure a physical attacker with access to a powered, but locked FDE PC fails his/hers attempt to ...
2
votes
1answer
193 views

How can someone sniff dial-up connection using phone line?

Let's assume we have a computer that sends packets to the internet using dial-up connection, and we have access to the analog data on the phone line(we have access to the phone line), how can we make ...
4
votes
1answer
86 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 ...
6
votes
3answers
341 views

Risk of spyware on seized devices

This question (Prevention measures against laptop seizure at US borders) addresses a number of techniques for securing data while crossing borders. Perhaps the most useful advice was to simply not ...
0
votes
2answers
64 views

Can I add a new user to an unencrypted Windows installation from a Windows installation disk?

I recall hearing this before, the ability to boot up a Windows PC with an unencrypted hard drive using an installation disk/usb, and use the command line utility on the Windows installation disk to ...
13
votes
3answers
1k views

In what cases can overly strict security policies be detrimental to organisations?

In a philosophical sense is heterogeneous security, a system where people are given more autonomy, better than security policies/procedures written in stone? I've worked at some companies where ...
1
vote
2answers
25 views

Destroying sensitive partition

I've got multiple partitions on a computer, one for basic, day to day user stuff, and one for pentesting and security. The pentesting partition is encrypted. Could anyone give me, and everyone else, a ...
6
votes
2answers
156 views

How to handle decomissioned/donated/RMAed printers?

Printers, nowadays, almost always include some form of non-volatile storage that keep tracks of pretty much everything that went through the device. In the case of larger, "departmental" system that ...
1
vote
0answers
97 views

Information Security classification [closed]

I've been interested in IT security for a bit (~1 year) and had a bit of experience with NSM as well as web security. I want to have an overview of the entire industry, with all relevant niches and ...
4
votes
3answers
351 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 ...
1
vote
0answers
88 views

Vetting new IT development staff [closed]

In the realm of software development what would be the best way to vet prospective employees? We handle potentially sensitive information, and a code base which could be potentially lucrative to ...
0
votes
1answer
93 views

Ensuring security of a Disaster Recovery Plan

The Disaster Recovery Plan (DRP) is a document that outlines, in detail, the actions that should be taken to restore systems & files in the event of a catastrophe. The fact that these plans hold ...
1
vote
3answers
243 views

How do I protect security camera footage from an adversary?

I am interested in installing a security camera in my car, but I am worried about an adversary gaining physical access to the camera, and destroying the footage; leaving me with no evidence. ...
0
votes
2answers
396 views

Prevent hacking with known IP address and router information on Ubuntu 14.04 LTS [closed]

I’ve had it! It is the second time that a “hacker” (A hacker or should I say thief) has had access to my Ubuntu 14.04 LTS system. The person that I suspect has had physical access to my pc because he ...
-1
votes
2answers
150 views

High Level NSA Target, Help/Feasibility [closed]

I would like to know the feasibility of certain kinds of attacks. To be clear, assume the target is a high-level priority of the NSA. Is an OS such as tails useless against root-kits/keyloggers, ...
6
votes
3answers
258 views

Any way to prove that two devices are in the same physical space, for authentication?

I need to come up with digital proof that two physical devices are in the same (approximate) location whenever that transaction occurs. This could be: A digital ID and the authenticator A consumer ...
8
votes
5answers
1k views

What Man-made Physical Threat Could Pose Severe Danger to a Server Farm?

I am writing a novel in which a researcher attempts to work against a study he is a part of by purposely sabotaging operations on the research compound. I am wondering if the following is plausible. ...
4
votes
4answers
252 views

How can I prevent someone from carrying out a file from a machine

Assume the following scenario: You have to set up a machine in a way that a user is unable to bring out a certain set of files (or a single file only) from that machine while he has to be able to ...
2
votes
0answers
50 views

How do I start securing a virtual appliance to avoid manipulation? [closed]

We have created an amateur software product related with monitoring and management of specific services. It has been made in Python and runs a web service as frontend to show the data in a nice way ...
1
vote
1answer
73 views

Securing sesitive data from developers

I have an enterprise application running that uses both MySQL and Mongodb datastores. My development team all have ssh access to the machine in order to perform application releases, maintenance etc. ...
3
votes
3answers
303 views

Risk when attacker has only physical access to a computer's USB port

Attacker has only access to USB port and can either attach a device or pen-drive to a computer, that can be on or off. Imagine a scenario where non-reliable people have access to offices, either ...
75
votes
6answers
11k views

Can a lock picker slowly undermine the security of a deadbolt door?

I have a space for computers secured with a simple deadbolt. Someone keeps coming to pick the lock. While working there, I have scared them away three times. There are cameras, but not in useful ...
-2
votes
2answers
99 views

Can I ever hope to be secure using a cell phone or any mobile device? [closed]

I love my phone, it's small, I can bring it everywhere, I can access the wealth of human knowledge online, and do so much more. But with the recent light of the NSA and other world government ...
1
vote
2answers
207 views

How would you set up a ‘cold’ netbook for master-key signing, large Bitcoin transactions, etc? [closed]

I've just ordered a cheap-o netbook on Amazon, with the intention of installing a Linux distro, and turning it into a permanently-offline high-security machine for sensitive tasks. However, I'm no ...
14
votes
6answers
4k views

Does the US government protect its physical internet lines in the US?

It seems like there are lots of ways to prevent man in the middle attacks. I've read many on here and on the rest of the internet. According to wiki you need a secure channel as well to completely ...
1
vote
1answer
632 views

Could a hardware keylogger be detected through measuring USB micro voltage?

All in all, hardware keyloggers are harder to detect. But if computers can measure the exact voltage consumption of their peripherals, could a hardware keylogger be detected by comparing the normal ...
2
votes
1answer
958 views

From how far away can passive RFID tags be read?

I have been told in the past that with specialized equipment, passive RFID tags could be read at 1100 feet. This seemed a bit far fetched to me, and sure enough, a quick Google search turned up ...
4
votes
2answers
128 views

Could Google Mail or Google Drive work as a path to a company's network?

I am a newbie to data security and would like to ask few questions related to Google Mail and Google Drive. What I want to know is how these two apps could be used to access a company's network AND ...