Storage drives connected by USB devices known otherwise as flash drive, USB stick, USB key and thumb drive. Also includes larger storage devices such as portable hard drives.

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Floppy disk partition showed up when USB Flash drive inserted

For one of my course's midterm lab portion, the professor provided us flash drives to put our project in. Everyone had their named labeled on one, so she gave me the last one left out, which had a ...
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2answers
64 views

Can BadUsb only be delivered via USB?

BadUsb works by infecting a computer when plugged into the USB port. Is it also possible for an attacker who gains control of a system, such as remote access, to then infect any connected USB ...
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1answer
59 views

Is placing an `autorun.inf` folder in a drive's root a good safety precaution?

Is it possible for viruses to use Windows' autorun.inf mechanism to start their execution? If so, is placing an autorun.inf folder a good safety precaution? My reasoning is that it can help in one fo ...
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1answer
101 views

Tiny USB sticks

To store my Bitcoin safely, I have an offline transaction setup. Computer A is online with a copy of the blockchain, and computer B is offline with the private keys. To make a transaction, I craft it ...
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3answers
224 views

How to use a found USB key safely

I found a USB drive while riding the subway and I want to read it to see if I can return it back to it's owner. If I can't find any info on the stick, I'll use it for my own means. Assuming I have a ...
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2answers
77 views

ByPass usb GPO with iphone -and probably other mobile-

So I am running pentest on a device running Win7 and admin user set group policy to disable all mass storage devices and all usb's. I have access to local user without privs. Although my usb stick ...
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5answers
601 views

Can the BadUSB exploit be prevented?

Recently I read a few things about the BadUSB exploit, for example: http://arstechnica.com/security/2014/07/this-thumbdrive-hacks-computers-badusb-exploit-makes-devices-turn-evil/ My understanding ...
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3answers
142 views

Adding photos to Truecrypted, airgapped laptop from camera safely

I have a Truecrypted, airgapped (no internet connectivity at all) laptop that I use as a completely secure computer for sensitive files. I want to add images from my iPhone (I know), camera or other ...
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2answers
176 views

Mac OSX: What is the safest way to access an unknown USB storage?

Let's say a friend gives me a SD-card which I'm not sure is safe (i.e. it may contain malware), what is the safest way to access this card on a Mac OSX? E.g. Is it possible to create a sandbox in ...
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3answers
631 views

How do I securely erase USB flash drives?

I would like to know if there is a way to securely erase USB flash drives without a chance to recover data from it once it has been erased. I know, that programms like DBAN can be used to securely ...
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2answers
954 views

Encrypted code file (.vbs) hide all my files and shows .lnk files

I am using Windows XP Professional and what happens is that when I try to connect any gadget like a pen drive or a mobile through USB, all my data got hidden and it shows a 1 kb file which is a .lnk ...
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2answers
358 views

How can I identify which computers a USB drive has been used on?

Is there a way to find out in which and/or how many computers a USB flash disk entered. And if its possible can we find out how many times a file was read/edited. I heard that its possible , but I ...
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3answers
158 views

Create live USB that hides IP address from foreign government

I may have to visit family in a few months overseas. Unfortunately, the local government of the area my family is from has gotten more corrupt and vicious. I am compelled to go here and may need to ...
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1answer
174 views

How do OTP USB sticks work?

I just discovered the YubiKey NEO which seems like a pretty awesome device for maintaining security for a variety of different things including computer login, SSH private keys, GPG private keys, and ...
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1answer
82 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 ...
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1answer
285 views

Booting into Live USB Linux

If I have a Live USB Linux stick and I plug it into a computer which is not connected to the internet and boot the computer using the Live USB stick. How secure is this interms of not leaving any ...
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3answers
655 views

Encrypting passwords?

I am planning on creating a text file to store my passwords, so I only need to remember 1 password (at the moment, I have about 20 long/complex passwords in my mind, and am worried that I might forget ...
2
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3answers
118 views

Simple methods of preventing infection from external drives

What are some simple methods of preventing my computer from being infected by USB drives and other storage devices? I'm not asking for any bullet-proof methods, just something that can prevent ...
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1answer
79 views

File encryption with external key

I want to encrypt a few files on my computer (not FDE). To do this, I'd like to use something that requires having some external usb thing with the key on it plugged into the computer. Price is not ...
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2answers
243 views

Using EncFS on a USB drive

I am using EncFS with a USB drive. How secure is this if my USB drive gets stolen? I ask because the .encfs6.xml file is saved in the USB drive and I can open it with a normal text editor. Do I ...
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2answers
288 views

Monitoring file copy on external devices

Transferred a personal folder from an external HDD to a USB using my work PC. Just used a simple cut paste method between the two drives, never writing anything to the internal HDD. However, ...
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0answers
411 views

External hard drives: 'date last accessed' file?

I'm trying to figure out if there's a way to figure out when files on my external hard drive were last opened. I'm using a Seagate Backup Plus, and it's both mac and PC compatible. BUT, I've also read ...
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3answers
394 views

Retrieve files from possibly infected USB

I work in a lab environment, and save data to a shared PC. This PC is not networked, and so the only way to get the data from that PC to my own, is through USB. The lab director has mentioned that the ...
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4answers
211 views

How to verify full USB drive's digital signature

There are various ways to verify the validity of a file, usually checking the MD5 checksum or OpenPGP signature. Is it possible to do the same for a full USB Drive? I'd like to be able send a USB ...
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6answers
6k views

Hardware USB Key to Reset Any Windows Password

This tool requires physical access of course, and there are many things you can do once you have physical access, but this peaked my curiosity. The tool in question: ...
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3answers
279 views

Is there a chance USB files once opened by TV, PC etc. have any footprint, backup or residue files left on the hosting device it worked on?

Let me first thank you all for the great info. you are providing. My question is; Do files stored on USB once opened and viewed by TV, PC etc. have any footprint, backup or residue files left on the ...
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3answers
447 views

Are USB thumb drives inherently more dangerous than other removable media? Why?

The general consensus I hear among security professionals is that USB drives are dangerous. In most organizations (that I have worked at), USB drives are either forbidden or employees are required to ...
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0answers
1k views

What is a self-contained cross-platform encryption for USB drive? [closed]

I'm trying to find self-contained encryption solution for USB drives while at the same time being platform independent. For example, Windows' BitLocker only works on Windows and not on OS X or Linux. ...
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1answer
343 views

Can malicious code be contained outside the filesystem on a USB drive?

I've personally seen it recommended that every time a user inserts a USB thumb drive into a computer, that the thumb drive be scanned for potential malware and malicious code. However, if all that's ...
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3answers
202 views

What is the safest way to copy a file from an untrusted system?

Scenario: There are two computers running GNU/Linux, U and T. U is untrusted and T is trusted. A non-executable file F (which may however have been infected with malware) resides on U. (For ...
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3answers
385 views

Can a VPN connection established by running a VPN client from an arbitrary location guarantee security?

I came across this interesting device called SurfEasy Private Browser. Here's the company's webpage and here's the product page on Amazon.com. I assume it's just a USB stick with a VPN client and ...
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1answer
199 views

Malware hidden on a USB drive, does the malware always need to run to hide itself? [duplicate]

Would malware be able to hide itself in the controller somehow or otherwise be able to effectively hide files itself from both windows and Linux?
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5answers
1k views

Is it possible to restrict USB keys to only certified ones, and block that key's access on other computers

I am working on security for an organisation, we have purchased some encrypted USB keys but wanted to stop any employees leaking data. is there any way to stop their laptop accepting any key but the ...
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1answer
294 views

Where are USB drivers stored in Windows? [closed]

When I formatted my whole drive and installed Windows XP SP2 (fresh installation, , no drivers were load on my system). Then I connected an empty 4GB pen drive which was already formatted, and the ...
4
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1answer
152 views

How safe are CD's for Air Gapped computers?

It is often suggested, for air-gapped PC's, to use CD/DVD's as a transfer medium between machines instead of USB sticks or portable hard-drives as it is difficult to write data to a CD/DVD without the ...
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1answer
78 views

Is the following environment contained?

I would like to make sure that my working environment is contained (prevent data leaks meaning I don't want temp file or traces from files I have worked on). I am about to create a usb key with the ...
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1answer
251 views

While copying data from any email client to a USB device what residue information is left on the PC?

I often end up using netcafe's for browsing web (Windows 7). I recently wanted to download some secure data from my gmail account on to the USB pen drive. So, I went ahead and opened the attachment ...
2
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3answers
259 views

Can a USB device read data from the internal HD of a PC when it's turned off?

I have heard on TV (tg5) that some devices exist, that can be connected to a USB port on a PC that is turned off and get data from the hard disk. I am wondering if (and if so how) this is possible; ...
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2answers
231 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 ...
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1answer
137 views

How to safey interface with compromised USB device?

I'd like to safely analyze and test a T-Mobile UMG366 USB cellular modem. Clearly I'd like to know about this specific device, but more generally I've no idea how to deal with a complex USB dongle ...
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2answers
605 views

How do i know if I have moved or copied a file from my SD card to PC? [closed]

is there any way to know if the file I have on my mini-SD card was moved or copied to my PC? i have sensitive files on my SD card which is stolen and i cant remember if I cut or copied the file from ...
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1answer
508 views

Ways to protect source code from theft [duplicate]

I just want to know better ways to protect source code from theft on Windows by Removable Devices like CD,Pendrive. Here is what I know: Windows Disk Encryption: Pretty nice to protect from offline ...
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1answer
4k views

How to know, in Windows XP, if files were copied, deleted or moved from a pendrive?

A pendrive with some sensitive files were connected to a Windows XP computer. I'll have access to that computer, now it's turned off. How can I analyze if some or all files from my pendrive were ...
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1answer
772 views

Android Encryption and USB Access

I'm investigating device encryption for my Android, but what is the impact on internal storage and external SD? Also, if the device is used as a flash drive or livedisk (DriveDroid), will I run into ...
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7answers
936 views

Safe to connect to external drive?

A customer provided an external drive (USB 2.0 and Firewire 800 connections), and wants me to copy files onto the drive. The drive is not new. I have no particular reason to suspect the customer ...
5
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2answers
1k views

Securing USB flash drive on linux

We have a industrial system(running on linux) with a USB port. We have the USB port only for copying certain data. Other than this we don't want the USB drive to contain any other executables or ...
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6answers
1k views

Using linux to combat windows flash drive malware?

I just put an old flash drive which i used with a windows machine into my linux. I noticed many files, mostly exes which were never visible in windows (my windows does not hide hidden files and ...
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3answers
334 views

Is the aggregate severity rating of “Important” for MS13-027 too low?

The Security Bulletin states that the "Maximum Security Impact" is "Elevation of Privilege"; however, the SRD blog post says code execution is possible. Additionally, SRD says "Other software that ...
4
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1answer
195 views

What role does a PC play when transferring from one attached usb-drive to another?

I recently attached two usb-sticks of colleagues to my laptop and transferred a file from one to the other. The file was sensitive and was not supposed to be copied to my PC. Never mind the ...
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1answer
1k views

Will my USB modem send my MAC address to my ISP?

Will a USB modem send my computer's MAC address to the Internet service provider when I am using it? I mean, if two computers use the same USB modem will the Internet service provider know that two ...