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

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8answers
657 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 ...
2
votes
4answers
530 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 ...
2
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2answers
245 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 ...
2
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4answers
802 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?
2
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3answers
778 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 ...
2
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 ...
2
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1answer
70 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 ...
2
votes
1answer
314 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 ...
2
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3answers
122 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 ...
2
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4answers
3k 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 ...
2
votes
3answers
658 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 ...
2
votes
2answers
687 views

External IP same as Internal IP security

Where I live my ISP does not give IP addresses out. My external IP address is the same as my external if I plug directly into the wall with no router. My ISP does give everybody a "router", that is ...
2
votes
1answer
87 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 ...
2
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1answer
154 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
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 ...
2
votes
1answer
91 views

Can Polygraphs be effectively 'beaten'? [closed]

This article suggests that polygraphs are rather rudimentary and thus very susceptible to being 'beaten'. In pop culture we see all the time movies where polygraphs are beaten -but with great ...
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 ...
2
votes
3answers
556 views

Is there such thing as a password enforced write protected flash drive?

We would like to provide a flash drive to a client, that they can boot to, which includes a read-only operating system of our own customization, probably Linux. Every boot, it starts from clean slate. ...
2
votes
0answers
24 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 ...
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 ...
2
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0answers
112 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 ...
2
votes
2answers
276 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 ...
1
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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 ...
1
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3answers
275 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. ...
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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 ...
1
vote
1answer
36 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. ...
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1answer
114 views

Is there is a reason for data-cables shredding?

Just to make sure, is there is a reason for shredding any type of data cables? Is it OK to throw them away just as they are? Thanks.
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1answer
220 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
1answer
369 views

What makes a secure smartcard secure? Is contactless/RFID better?

In short what security features exist that I should look for in a smart card? What physical features exist, which are important? It appears smart cards may exhibit different levels of wear and ...
1
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3answers
499 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
89 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 ...
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 ...
1
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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 ...
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 ...
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 ...
1
vote
1answer
114 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 ...
1
vote
1answer
225 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 ...
1
vote
1answer
98 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, ...
1
vote
1answer
83 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 ...
1
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1answer
355 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 ...
1
vote
1answer
128 views

What cellular network is used for automobile theft recovery? Can that be used for PCs and mobile devices?

I'm interested in sending a remote wipe command to stolen IT devices, such as a cell phone, or wifi connected device. However most remote wipe technologies require that the cellular service (or wifi) ...
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0answers
47 views

Protecting data on a remote device

Background I have am developing a service which consists in a small headless client device (e.g. OLinuXino) which will contain sensitive data. The device will be plugged to a remote network (maybe ...
1
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1answer
213 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
257 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 ...
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0answers
40 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) ...
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0answers
48 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 ...
1
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0answers
260 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 ...
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 ...
0
votes
1answer
155 views

Is it a security threat to have food or drink next to computers [closed]

I have never worked in big organization and I wonder if any of them considers food or drinks a security threat. More than one movie showed the scenario of an operator who accidentally spills tea on ...
0
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2answers
712 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. ...