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

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3
votes
2answers
553 views

How do you keep track of numerous keys in the workplace?

Where I'm currently working there is a policy where various assets (including laptops) have to be cable locked and in the tech support department we have so many transient assets it's becoming ...
25
votes
2answers
9k views

Is there any way to tell if CCTV is on or not?

Is there any way that an attacker can identify if a CCTV camera is on/operational without direct physical access to the cable/camera? If it is on, is there any way an attacker can tell if its being ...
1
vote
1answer
4k 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 ...
8
votes
3answers
746 views

Storing Credit Cards

Okay, so storing digitized credit card information/records is a well documented process when it comes to best practices. I recently got asked how a company can store, retrieve and process physical ...
66
votes
5answers
5k views

Somebody bumped into me, next day my storage unit was burglarized

While I was walking in the street, somebody carrying a laptop bag bumped into me, and the next day I found out that my storage unit was burglarized and some important items were stolen. My storage ...
5
votes
1answer
221 views

Motorola Human Authentication Pill/Vitamin Security?

This appears to be hot news today, Motorola announced a form of pill that a user can swallow which is activated and powered by stomach acids and transmits a signal back which can be used to ...
6
votes
2answers
2k views

Should magnetic locks automatically release in the event of a fire alarm?

Basically what the title says, you'll find many buildings have these types of door locks which can usually be opened by using a RFID token. While this example photo is glass, lets assume that the ...
2
votes
1answer
204 views

Can linux (be made to) detect foreign connections to the ram bus?

I've been made aware on many answers and some comments that an attacker can read memory while a system is still running by attaching some sort of connection directly to the ram bus. Can linux ...
1
vote
2answers
2k views

How to allow only some specific computer systems to access website? [duplicate]

I need a process to allow only certain computer systems access to the website irrespective of the network they are using. Much like a Licensing system, I can provide a private key or something ...
10
votes
2answers
2k views

“Friend” stole SD card. Tracing an SD card?

First off, let me say that I currently live in Mexico, a land filled with petty theft. I had a group of friends over last night, and they were looking at the photos on my camera. Today, I looked at my ...
150
votes
12answers
29k views

How is an ATM secure?

I'm curious why an ATM computer is considered secure. The general adage of "If an attacker has physical access to my machine, all bets are off," seems to not apply in this circumstance (since ...
5
votes
1answer
314 views

Security differences between Passive and Active RFID tags

Most people are aware there are two types of RFID tags, active tags (ones that contain a power source of some kind) and passive tags (ones that are powered by the RF field). I'd like to know if ...
4
votes
4answers
2k views

Block unauthorized user from getting access to intranet

What's the common way to block users from accessing intranet? Right now, whoever plugs in a cable can access any intranet server freely. I want to change this behavior. But given that we run not only ...
14
votes
2answers
7k 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. ...
20
votes
1answer
5k views

High-frequency noise deterrents

I've found that walking past certain boutique stores in my city that some places have installed very loud high-frequency noise generators. These cause a fair amount of discomfort for passers by that ...
8
votes
1answer
442 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
1answer
153 views

Removable FireWire port blocks

There are other questions here enquiring about disabling FireWire ports reversibly via software or irreversibly via hardware (e.g. epoxy/desoldering). I would like to know if there are any reversible ...
2
votes
1answer
1k views

Changing locks on server cabinet [closed]

I work in higher education, and we have a server room with various server cabinets, mostly APC and Belkin. The room is secured via card swipe access, however each server rack has the same lock, which ...
0
votes
2answers
383 views

bootp enabled by default on dhcp reduce security?

by default in Microsoft DHCP server configuration Bootp is enabled and choose both(accept DHCP request and Bootp ) i know that how this work and know about how configure two DHCP Server by Bootp ...
1
vote
3answers
244 views

Requirements for a smartphone anti-theft App

I recently installed Cerberus in my [personal] Android device to get some protection against theft (I'm not really interested in protecting its data, but rather in increasing the odds the device will ...
3
votes
3answers
2k views

Is there is a way to lock my USB port over the device physically?

Is there is a way to lock my USB port over the device physically ? For example I am connecting the USB mouse and keyboard on an public computer but I do not want anyone to remove them physically. I ...
0
votes
6answers
2k views

Is an ATM alert system triggered by typing the PIN in reverse a secure solution?

Picture an ATM security system where, if the user types the PIN in reverse, the ATM alerts police, the customer's bank, or other parties. Are there any ATM manufacturers that use this or a similar ...
5
votes
3answers
549 views

Live Linux which does not mount any hard drive in the computer

I am searching for a Linux System which runs from a CD and does not mount any hard drive of the computer. I want to prevent any possiblity to write something on the hard drive of the computer and on ...
13
votes
3answers
23k views

Can law enforcement track a criminal through dynamic IP address?

I ask because a week ago my home was broken into and, among other things, my iMac computer was stolen. I am desperate to get it back because it has all the pictures of my daughters from the last ...
11
votes
1answer
489 views

Slot machine segfault: what can we determine?

We walked into a casino and saw this near the entrance. I don't have a specific question, but is there anything that would be interesting to share and explain from the image?
2
votes
4answers
528 views

Detecting and filtering data over AC power lines?

Given that it's possible for the average consumer to send covert signals over normal AC lines how can an IT department identify and filter out this communication? I'm not sure how difficult this is ...
1
vote
1answer
140 views

how to protect from Network scanner on android?

How can I block and detect network scanners on android platforms to stop scanning vlan of my hot spot. My question is: which scanners they use? how can i detect such scanners? Can i protect ...
2
votes
3answers
657 views

Physical Security for USB Keys and Systems-on-a-Stick

Do there exist physical security devices for USB sticks that serve a function analogous to laptop locks (i.e. preventing smash-and-grab type attacks)? If so, what are they and to what extent do they ...
6
votes
1answer
947 views

What is the difference between Simple Power Analysis and Differential Power Analysis?

What is the difference between Simple Power Analysis (SPA) and Differential Power Analysis (DPA) and why is it not possible to do an SPA attack on FPGAs? My basic understanding is they are ...
0
votes
3answers
291 views

Keyless entry security systems and HIPAA implications

We are upgrading our office to have badged security doors. What I would particularly like to know is if Keyless Entry systems exist or are of decent quality. By this I mean, I would like the doors ...
7
votes
3answers
423 views

Sourcing hardware that is least likely to contain backdoors

I understand that CPU silicon (for example) is scrutinized for backdoors but there are other aspects of a computer system that may "leak data" to the outside world unbeknownst to the owner regardless ...
3
votes
4answers
287 views

Is there a security device to register unauthorised physical access?

I understand that it is not possible to secure your software if a third party has physical access to the box (eg colo). So may be I can install some sort of hardware (like a seal) which only need to ...
-3
votes
1answer
8k views

windows firewall disabled with Norton Internet security or Norton Smart Firewall? [closed]

My Company decide to Change antiviruses and anti-spywares and firewalls. How to apply changes in all clients and servers safety? Norton say: ( in this article): When you are using Windows ...
0
votes
3answers
4k views

why Windows Firewall in XP cannot block outbound connections

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 ...
1
vote
1answer
111 views

Best way to secure file removals in Windows remotely

I have Windows 2008 R2 box on colocation. I want to remove certain files with a high degree guarantee it cannot be recovered from physical HDD access. Could someone please explain what levels of ...
0
votes
3answers
307 views

Petraeus scandal - what would have been a better way to communicate electronically [closed]

Not a security professional here but .... having read through how it happened, it's clear sending these emails from the shared account by Paula Broadwell was the problem (if I understand correctly). ...
19
votes
2answers
3k views

How can vending machines be hacked? And how can I prevent it?

I am developing a vending machine and want to make it secure. In a comment to my previous question, @Polynomial said "Vending machines (and similar devices) can often be pwned via buffer overflows on ...
7
votes
6answers
3k views

Is it safe to use virtual machines when examining malware?

We want to study for the CEH program and have downloaded 12 DVDs that 6 DVDs are software key-loggers, Trojans, etc. that are all detected by antivirus. This prevents us from examining them and ...
4
votes
2answers
1k views

How does syskey in Windows increase the security in a domain?

I use syskey in windows XP and Windows 7. I've read Microsoft's article but I have questions. How does this solution increase security? What are differences between using Syskey in a client that ...
86
votes
13answers
8k views

Why do we lock our computers?

It's common knowledge that if somebody has physical access to your machine they can do whatever they want with it1. So why do we always lock our computers? If somebody has physical access to my ...
2
votes
2answers
447 views

A security checklist for choosing an internet hosting service provider for a virtual private server?

I am in the process of choosing an internet hosting service provider for my website. Besides looking at the reputation of the hosting provider through internet forums, is there a more concrete way of ...
3
votes
3answers
525 views

What are the security implications of phone based keyless entry systems?

I have just been reading about Lockitron which promises to provide phone based keyless entry for the home. As great an idea as this sounds it strikes me that it could come along with some very serious ...
31
votes
3answers
1k views

How can you judge the physical security of a padlock?

I recently learnt to pick locks. Eager to test out my skills, I tried picking a padlock I'd been using on a secure storage box for a number of years, and found that it only had one pin - I can get ...
6
votes
3answers
203 views

Securing mail deliveries in a multi-tenant office building

I am concerned that that postal mail (and other deliveries not requiring a signature) may be at risk from theft or unauthorised access. My company is based in a multi-tenant office with an unattended ...
6
votes
3answers
2k views

What can a hacker do when he has physical access to a system?

I mean, I'm a tech guy here in my region (not a hacker...). When I sit in the front of another person's PC, I notice a little fear about what I can do in the system. It's obvious that I will not ...
3
votes
1answer
513 views

Does setting a firmware password add security if FileVault 2 is enabled?

On an up-to-date OS X computer with FileVault 2 (whole-disk encryption, minus the recovery partition), is any security gained by setting a firmware password, as well?
15
votes
4answers
1k views

How do you prevent physical backups from being stolen?

I'm sure, by now, we're all aware of the need to encrypt backup disks, but what can be done on the physical security side of things to prevent backups from being stolen or damaged? Particularly: ...
5
votes
3answers
1k views

How do I improve the physical security of a rack cabinet?

I've got an 8U 19-inch server rack cabinet with two locks - one on the front panel, one on the rear panel. The locks are small cam locks, but the cam part is rather thin and flimsy-looking. I could ...
11
votes
3answers
3k views

How can I prevent someone from accessing a Windows XP system via boot disk?

Apparently a computer system protected by a a login password, e.g. Windows XP, can be easily hacked by someone with physical access to it using methods like this one: ...
1
vote
3answers
136 views

What would be a good way to guarantee security of theft and loss of sensitive data in a shared rack?

Two of my servers are in a shared rack, we secure them by adding frontcovers to the machines. The DC is always recording with a camera when one of the shared racks is opened and they write down what ...