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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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
37 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
510 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 ...
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5answers
955 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
48 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
24 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
70 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
94 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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3answers
224 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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5answers
476 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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0answers
79 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
54 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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3answers
95 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
48k views

How to detect if files were saved or copied to a USB drive?

How can I find out if files from my computer were written/copied/moved to a USB storage device? I want to know if there is a solution that would work in a system that has not got any ...
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3answers
287 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
308 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
480 views

File system history on USB drives

I want to find out who deleted a specific file from a USB disk. The disk is formatted as NTFS. The file was deleted while the disk was plugged into a Windows 7 system. However, while I do have ...
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1answer
247 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
167 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
225 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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3answers
9k views

Is it enough to only wipe a flash drive once?

According to the documentation for the "diskscrb" command for wiping conventional hard drives: http://www.forensics-intl.com/diskscrb.html "Conforms to and exceeds the Government Standard set ...
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1answer
136 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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1answer
197 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 ...
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1answer
128 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
74 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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2answers
849 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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1answer
203 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 ...
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3answers
232 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
182 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
116 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
288 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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3answers
2k views

How to scan USB drive with clamav on Linux

Is there a way to scan the entire drive including auto-run and all partitions, including the master boot record (MBR)?
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5answers
436 views

How to restrict flash drives in Local Area Network

It is prohibited to use USB drives at our office, due to security reasons. But some people still use them to steal information. It is now a great risk factor at our office. Now we need to ensure any ...
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1answer
365 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
3k 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
579 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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3answers
1k views

SSD (Flash Memory) security when data is encrypted in place

I'm surveying current techniques on flash memory security. I've learned that the non-in-place update of flash memories prevent us from adapting the same encryption techniques that we used on hard ...
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6answers
589 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 ...
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5answers
1k views

Is there any way to write-protect a USB or hide its contents from deletion without hardware modifications?

Data on external storage devices are not secure, I understand that. Despite hardware modifications they can still be hacked etc. However files can be hidden (steganography) or encrypted. I'm ...
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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
319 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
177 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
966 views

Will my usb modem send my MAC Address to my ISP

Does anybody know if a USB modem will send my computer MAC address to the internet service provider when I using it? I mean If two computers use the same USB modem will the internet service provider ...
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2answers
1k views

Infected usb flash drive detection and cleaning

Want to know what all type of malware infections are their that hides themselves in a pendrive completly and infects machine silently.How to detect this type of malware as they cannot be seen. How to ...
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5answers
1k views

Detecting malware-infected USB drives

I'm about to distribute some relatively cheap promotional usb drives to some of my company's clients. I'm fairly confident the company I purchased them from wouldn't intentionally implant malware on ...
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2answers
717 views

Encrypted flash drives

I have searched the web for information on secure encrypted USB flash drives. I have found that the most secure encryption is hardware-based like Kingstom DT4000 for example. Why is a simple USB ...
4
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3answers
407 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 ...
4
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2answers
1k views

How to secure usb data storage of Android phones?

I just found out that if I connect my phone to a laptop with a cable, the password becomes completely USELESS. So how can I protect the data in my phone from a usb cable? It's actually very easy to ...
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3answers
2k views

Securing my USB flash drive with Truecrypt and FreeOTFE

I want to know if I encrypt my flash with Truecrypt "Encrypt a non-system partition/drive" option and then mount it and then make a container with FreeOTFE on the Truecrypt encrypted drive and then ...
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3answers
336 views

How hard it would be to infect a system with malware through a portable web browser

If I use a portable web browser on a USB device like Google Chrome Portable how hard it would be to get infected by a malware/virus in the system to which the USB device is connected? Google Chrome ...