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

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2
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4answers
5k views

Is using Google Voice number for two-factor authentication a big mistake?

Two-factor authentication is growing in popularity as a security measure. For example, Google, Facebook, Twitter, and many other services all have two-step security options today as well as many banks ...
5
votes
2answers
431 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
259 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. ...
2
votes
1answer
89 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 ...
1
vote
0answers
50 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 ...
9
votes
2answers
744 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 ...
2
votes
2answers
293 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
745 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 ...
3
votes
2answers
388 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 ...
3
votes
2answers
1k 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 ...
0
votes
1answer
212 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 ...
16
votes
3answers
734 views

Risks of Mullions in High Security Areas

I have a storage space full of information assets. The room itself is sound; there are no windows, the walls go all the ceiling, and there is only a single entrance with two good stout doors and high ...
2
votes
3answers
934 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 ...
4
votes
2answers
477 views

Preparing for a stolen physical server

What would be the best ways to protect sensitive data stored on a server/drive that gets stolen? The confidentiality of the data is what is important, not retrieving it. Obviously, physical means are ...
31
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 ...
2
votes
4answers
1k views

Are malicious scripts in batch files detected by antiviruses?

we have many scripts in shared folders in our IT Department. Are malicious scripts in batch files detected by antiviruses?
4
votes
2answers
3k views

I am always Hibernating my System, is there any risk for my Encrypted drive with BitLocker?

I am Always Hibernating my Laptop, for faster booting, I encrypted sensitive drive by BitLocker, what if my Laptop stolen and attacker knew that it was in hybernate mode, can he decrypt my hard?
6
votes
1answer
109 views

Building access card that has an identification role

The main question is should a building access card have the corporate logo on it? In this organization, the employee ID card is separate from building access card. We currently do not have the logo ...
1
vote
0answers
317 views

Security Features in Bond Paper (Certificate)? [closed]

We are printing certificates and diplomas in bond paper and we found some fraud copy of our certificates. The only feature we have for security is an embossed stamp in GPA, also we have printed 3 ...
4
votes
4answers
2k views

Does a commercially available self destructing HDD (set in BIOS) exist?

Does a self destructing HDD (physically destruction) that will destroy after a certain time exist, or when I use some software to initiate its self-destruction? I guess it need to be set in BIOS or ...
3
votes
2answers
748 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 ...
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 ...
9
votes
3answers
887 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 ...
67
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
233 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
208 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 ...
2
votes
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
3k 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 ...
154
votes
12answers
33k 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
388 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
3k 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
11k 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. ...
9
votes
1answer
456 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
183 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
495 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
275 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
3k 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
694 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
32k 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 ...
12
votes
1answer
571 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
649 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
154 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
2answers
750 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 ...
7
votes
1answer
1k 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
303 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 ...
3
votes
4answers
299 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
9k 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 ...