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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3
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1answer
63 views

Information Security on a lost android phone

Recently, my android mobile phone was lost/stolen. I had logged into several applications such as Facebook, Paytm, etc. Thus, there are chances that my personal/ transaction details might be leaked. ...
6
votes
1answer
151 views

What is collusion and how does seperation of duties prevent it, or fail to prevent it?

I'm studying for CISSP and came across the term "collusion". I understand it means when people work together to steal something, but don't quite get it. For example, if two gunmen rob a bank would ...
3
votes
5answers
351 views

How should I store a physical written copy of my password? [duplicate]

I can employ all the fancy encryption and the randomest of passwords to my hard drive, but it won't do me any good if I don't remember how to log in. It seems sensible to write down my password, then....
0
votes
1answer
133 views

Securing a public computer meant for banking

I sometimes visit my bank personally to handle certain formalities. Inside there is a booth containing a computer and all equipment necessary to log in to the online banking service. The computer is ...
104
votes
8answers
19k views

My school wants to keep the details of our door authentication system a secret. Is that a good idea?

So, I am designing a door authentication system (can't really go into more detail) for our school, so that only authenticated persons can go through a certain internal door. They hold that its inner ...
7
votes
4answers
320 views

Must a system be insecure against physical access? If so, why?

Inspired by: Why don't OSes protect against untrusted USB keyboards? Related: What can a hacker do when he has physical access to a system? (I address the points of its main answers below.) There ...
81
votes
14answers
11k views

How can I protect myself from false accusations when our company practices password escrow?

During an internship for a small company, my boss created an account for me, so I generated a password and I used it. The next day, my boss told me to write down the password of my account on a piece ...
11
votes
1answer
743 views

How to apply IT Security knowledge to Home Security?

Today my car got stolen from my house, and it is possible the person who did it has access to my home. I try to take secure measures online to maintain security, yet it seems I never paid attention to ...
2
votes
2answers
254 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 ...
3
votes
1answer
60 views

Loss of physical locks/password to safes

Safes can keep important information like part of a dual control password, smartcards and pendrives, and so on. What would be the best practices to prevent loss or damage to a physical locks to a ...
1
vote
0answers
42 views

What else can I do to protect my accounts? [closed]

I am trying to make sure all my accounts are secure from unauthorised access and have turned on all security measures that I can find to make sure my stuff is protected. Here is what I have in place: ...
-3
votes
2answers
92 views

Defense in depth

How is defense in depth strategy different from network security policy? What is the need to name it a "Defense In Depth", although you may simply name it "Network security policy"? Secondly if DID ...
3
votes
2answers
97 views

Shutdown if case opened

Assume the user has a full disk encrypted HDD in which their OS and files reside. They also have made attaching USB or any other device without first allowing it cause an automatic shutdown which ...
2
votes
2answers
487 views

What are my options for securely printing an OTP Scratchcard?

I want to print and distribute several One Time Passwords (OTPs) that can't be easily disclosed to a 3rd party in transit. (think the physical version of a TLS session for private secrets) To me ...
13
votes
2answers
410 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
0answers
28 views

Reasonable means of security in commercial dealings [closed]

I am writing a paper from a legal standpoint and I'm suggesting legislation for a new duty of care for private companies in the safeguarding of customer's personal information. This will not apply to ...
49
votes
8answers
30k views

Are powerline ethernet adapters inherently secure?

I have 2 Zyxel PLA407 powerline adapters. Router is downstairs connected to one adapter, other adapter is upstairs about 30 feet away connected to a desktop. I have a house, not an apartment or ...
2
votes
2answers
667 views

What is the security of random code for authenticating products?

I have seen a startup (Verify Kero) that is building a product for verifying consumer goods. It places a 16 digit secret code under scratch-able coating. Consumer finds the code behind coating and ...
42
votes
8answers
5k views

Is physical security less important with disks on a server being encrypted?

If you could get physical access to a server, you could change the root/admin password even if you did not know the current password. However with encrypted disks, I don't think this is possible (...
19
votes
2answers
4k views

Why did the Papal conclave use a Faraday cage in 2013 when selecting the new pope?

The Wikipedia article about Faraday cages has this anecdote: A Faraday cage was used in 2013 by the Vatican to shield the Sistine Chapel from electronic eavesdropping during the secret papal ...
36
votes
3answers
2k views

Evaluating the security of home security cameras

My parents have a vacation home out in the country and are looking to setup a home surveillance system for remote viewing. I've heard that there can be serious vulnerabilities in these products. What ...
2
votes
2answers
124 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
1answer
165 views

SSH Key vs Complex Password with Fail2Ban & Two Factor Authentication

Normally you hear that using an SSH Key is far more secure than using a regular password. However I've been wondering if this statement is really true. Let's say we have the following variables for ...
5
votes
0answers
313 views

Ethical Hacking Certification (CEH v9) From A Web Developer's Perspective [closed]

I just finished a week of training for the CEH v9 certification. I have two questions: What are some strategies I can take for studying for the CEH v9 certification coming at the test as a web ...
7
votes
3answers
131 views

Is it possible to determine if the BIOS has been modified between two points in time?

Is it possible to determine if the BIOS of a computer has been modified between two points in time from that computer while it's running ? Effectively I'd like to be able to gather the equivalent of ...
4
votes
4answers
290 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 ...
37
votes
5answers
4k views

Risk of tampering when hardware shipment is delayed

I am currently receiving an order of computer parts in the mail including an SSD. Tracking showed that the package arrived in my town on day X, and was originally scheduled for delivery on day X as ...
0
votes
1answer
33 views

Sophos Safeguard detecting content of zip files being uploaded

Is it possible to use Sophos safeguard to detect when computers in the network upload certain files online when they are compressed in a zip file? (or 7z or similar). I've seen it is possible with ...
137
votes
8answers
15k views

How should I set up emergency access to business-critical secrets in case I am “hit by a bus”?

I work as the primary developer and IT administrator for a small business. I want to ensure that business can continue even if I suddenly become unavailable for some reason. Much of what I do requires ...
4
votes
2answers
132 views

Can single-purpose PCs be useful as a security measure in this situation?

In the context of a small scale operation, we are considering use of single special purpose PCs allocated to single security-sensitive tasks - for example, certain financial operations. The intended ...
3
votes
2answers
143 views

Why fear hardware brought to China, when most of it comes from China?

A lot of people will bring disposable hardware (laptops, phones) to business trips to China, eg. Employee laptops in China. Considering that most of that hardware was manufactured there, what is the ...
25
votes
5answers
4k views

How does a clean desk policy provide security benefits?

I'm starting to study for Security+ using Darril Gibson's book. I took the pre-exam and one of the questions is “What is the most important security benefit of a clean desk policy?” The choices are: ...
2
votes
1answer
88 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 ...
2
votes
1answer
68 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
109 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 ...
3
votes
4answers
103 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 ...
17
votes
2answers
27k views

What is the difference between types of motion sensors?

So i understand there are a number of different motion sensor technologies out where including Active Infrared (AIRs), Passive Infrared (PIRs), Microwave motion sensors and Ultrasonic motion sensors. ...
2
votes
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 out)...
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 ...
3
votes
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 ...
2
votes
5answers
2k views

Cheap door logging for home?

Does someone here knows a cheap DIY door logging system? What I have: - 2 doors that needs to be logged - 1 netbook (running OpenBSD with internet connection & root permissions), the two doors ...
1
vote
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 ...
109
votes
12answers
23k 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
0answers
126 views

SAM Card deployment best practice

As part of my current project we will be deploying smart card readers containing SAM cards for decryption purposes. The deployment process involves a third party software integrator who will control ...
6
votes
2answers
4k views

Safely disable firewire/thunderbolt, patching up DMA exposure

I understand that Firewire 400/800 and Thunderbolt have DMA enabled, and a malicious hardware device can easily read and manipulate system memory at will. If I disable the software drivers for these ...
5
votes
3answers
387 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
5answers
866 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 ...
-1
votes
4answers
5k views

why Windows Firewall in XP cannot block outbound connections [closed]

wikipedia say: XP's Windows Firewall cannot block outbound connections; it is only capable of blocking inbound ones. another article says: XP defends you with your traffic coming from the web but ...
2
votes
4answers
113 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 ...