Questions tagged [usb-drive]

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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Macbook Pro USB device security at lock screen

I am performing research on some attacks using a USB micro controller to perform man in the middle attacks on Windows and MacBooks, by emulating an ethernet over USB. During my testing I found that on ...
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How to encrypt a usb drive which already has data on it [migrated]

There is an external hard drive of almost 1Tb which has about 650Gb of data on it, the external HD is connected to computers via USB interface. As far as I'm aware, this external HD is for all intents ...
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Safely use compromised USB drive to transfer data from one PC to another [duplicate]

How to use a USB hard disk to transfer files from Ubuntu to Windows 10 PC in a secure manner? I have not used that disk for a while but it was probably exposed to a few PCs that do not belong to me. ...
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240 views

Using an example to comprehend why “safely” erasing a drive yields better results than filling it up with meaningless data

A hypothetical 1GB USB stick is full of sensitive documents/images/etc. and it is not encrypted. The owner wishes to discard it and is aware of having to safely erase it first. There are several tools ...
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Can malware infect a network through PCoIP?

I work at an organization that has an intranet, but allows employees to access it through a PCoIP connection established with the VMWare Horizion client. With computers physically in the network, ...
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Is there any write-once USB stick/pendrive? [closed]

Is there any Write-once USB stick/Pendrive? I need to submit some files to Authorities and I don't want them to modify on whatsoever. Any suggestion?
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Protect USB from reading by using PC identity

Is there any way (software or hardware solution) to create a usb drive that can make its contents readable only on specific PCs using their hardware serial numbers?
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Can a usb drive infect a hard drive without an OS

Specifically, I was trying to install windows 10 on a fresh new ssd, i was trying to use a usb to do it but it turns out I did not create the usb drive correctly, so I’m stuck on the “reboot and ...
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97 views

Securely analyze and format a USB flash drive

I need to scan the contents of a USB stick with several antivirus software. I have several ways to do this. Either I mount the key, I scan its contents (I may place the suspicious files in ...
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60 views

USB Stick with write-protection

I bought a USB stick with a hardware switch to enable write protection. I burned a Linux iso on it to make some forensics analysis on my installed OS. Could the write protection be bypassed via ...
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Formatting potentially infected USB stick before plugging it into trusted devices

As stated in the title - is formatting my own USB stick on a separate computer with live-Ubuntu enough to prevent malware infection? I work as computer technician and sometimes my pendrives must be ...
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113 views

How to backup files from a infected computer to a USB drive in a safe way?

Send the files by email or upload then in a drive are not a option since my friend's connection is very poor and is a lot of files. She gave me a USB drive to save her files but I know her computer ...
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Is there a option to protect a USB stick from being infected other than flash drives with hardware protection?

I would like to protect my flash drives to being infected when I put it in another computers or devices. After some research, I found that I will not be able to reach this level of protection by using ...
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Where are the drivers stored on usb receivers? [closed]

I am wondering where the firmware / driver is stored on these devices? If it cannot be used as a storage device, how could it possibly store any firmware for itself? How could I access these "files"? ...
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Why after dd'ing ISO file to entire USB flash device, only the first partition match the ISO checksum? [closed]

I use dd to "burn" an ISO file to USB stick: dd bs=4M if=/mnt/media/ISO/Fedora-Workstation-Live-x86_64-31-1.9.iso of=/dev/sdd conv=fdatasync status=progress Now I can see several partitions has ...
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Is Bitlocker secure enough for portable storage devices?

I have recently lost a USB flash drive that contained some important information. Fortunately, it was protected by Bitlocker. I felt the impulse to ask exactly how secure it is. Most answers on this ...
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What are the main attack vectors on USB storage drives on Windows 10?

I am trying to understand what generic risks are there in using my thumb drive to transfer files to some untrusted machine and plugging it back to my Windows device. Specifically I am interested in ...
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Printing document on usb drive with confidential information on multi user computer

I have a pdf file with confidential information on a usb flash drive. This document needs to be printed on a multi user Ubuntu system. I want to prevent other users from seeing the content of the ...
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1answer
157 views

Virus from a printer kiosk?

I encountered a puzzling situation the other day when I plugged in a USB flash drive. Windows defender displayed an alert saying that a threat had been quarantined, specifically the Jenxcus VBS virus. ...
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246 views

Does safe removable media exist?

I have a laptop operating a vehicle with attached camera. Video is exported using removable media. Ports available are USB and Ethernet (also video and audio I suppose). The laptop is not infected (...
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239 views

How to prevent USB Block Policy to be circumvented?

I know that I can disable USB devices using group policy for the computers of my company. What I want to achieve is allow users to use the USB port only for charging their phones, connect their mouse ...
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2answers
176 views

Should I use a thumbdrive I got on a conference in China? [closed]

I (from EU) recently attended a scientific conference in China. As part of the goodies there is a decent looking thumbdrive which has the conference logo printed on it. It seems to be in original ...
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263 views

How to make USB drive read only and write by a password or key or certificate?

I am trying to distribute a software, a simple exe file, that can be executed directly from an USB drive. I would like to make that USB drive read only to avoid any malware infection and accidental ...
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192 views

Are there tangible recommendations for USB drives to be disabled?

I am currently discussing / considering the possibility to disable access to USB drives (USB storage) on Windows machines. There are technical means to do this and I am trying to balance arguments ...
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Is it safe to plug my own USB drive into unknown pc?

Is it widely known that in the opposite way (an unknown USB to safe pc) it could be really dangerous. But I can't find any info if is it dangerous to put a drive to other pc. Case: I have my USB ...
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How could you safeguard your data traces when using USB Drive?

I have a very serious question with regard to data security with regard to usage of USB Drive when transmitting, storing or even clearing data with it. When one is going to use USB Drive for ...
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How to safely wipe a USB flash drive [duplicate]

I want to wipe all residual data left behind even after a format on a regular 64GB fash drive, the ones someone can scan and recover data. What's the most efficient but quickest way to do this? Any ...
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372 views

Is it too late to encrypt my already used USB drive?

I've had my USB for quite a while now. It contains quite a lot of personal information on it. (I know, I'm stupid for not encrypting it before hand). Is it too late to encrypt my drive even if files ...
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USB bootable CD protect against rootkits?

I have a infected computer, which I am trying to diagnose. The attack is probably very sophisticated, and I am not yet sure whether this has happened in the bios, mbr, active partition or any other ...
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Protecting/Crypting an external storage

We have an camera with sd card in which it records. AFAIK its software, recording parts etc., cannot be stepped in. We wish a mechanism/methodology that whenever it is plugged into usb socket of a ...
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411 views

How to back up and restore personal data safely from possibly exploited android phone?

I'm using a Samsung J7 Prime with Android version 7.0, not rooted. Recently, I grew suspicious I had become the target of some kind of exploit/network attack/mitm. Since I suspect the exploit is ...
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99 views

Secure USB stick recommendation

I've read a lot on this site about how USB sticks are inherently (I assume) insecure. There are analyses about how just by plugging it in to your laptop might initialize some program to be run without ...
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Is it possible that a usb drive manufactured 3 months ago can have data copied to it that shows the file last modified date before manufacturing date? [closed]

I have some data that needs to be handed to a friend. I don't want to give the original drive (drive-1), so I plan to purchase a drive (drive-copy) and copy data to it. The data copied will still show ...
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Which brand of USB key storage and external USB storage can prevent wave or wireless read? [closed]

Which brand of USB key storage and external USB storage can prevent wave or wireless read? I find some has military encryption USB key storage , but do I need to encrypt files before saved in these? ...
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745 views

If a file on USB drive shows a certain “date modified” time in the windows explorer, can the correct added date/time be checked for the file?

If someone copied files from a drive-1 to usb-drive-2, then it seems the directories and files get the original modified time from drive-1 in some cases and in some cases not. Can it be checked if ...
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57 views

How can one make sure that some specific directories are fully deleted (without any record of their deletion) from a USB/flash drive?

It seems data resides in USB somewhere until it's completely overwritten. But is there a way to delete big directories 10-100GB or so without zero-filling the remaining space and only eradicating ...
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How to detect when files from my USB were copied to another PC?

I accidentally gave my USB to my friend and then I realized it had some important files of mine. Is there any way I can know if he got something from the USB?
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388 views

Howto restore factory default state of an USB pen drive?

The proper way to secure erase a SSD is to issue the SECURITY ERASE UNIT command. Then the SSD controller should send a BLOCK ERASE command to all physical blocks. One caveat: the SSD has to be ...
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685 views

Malware on read only device/memory

Putting Programs/OS/Files (contain malware) on USB-Stick (USB-stick can do read/write). Let's say this USB stick, after i put Programs/OS/Files on it, is now just theoretically, read-only. I myself ...
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416 views

Wiping possibly infected USB drive

If I disabled any automounting in the OS, is it safe to plug in a possibly infected USB drive(whatever the worst case in terms of that) to wipe it? If the (infected) drive is set to autorun malware ...
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260 views

Is it possible to check if a USB's firmware is unmodified when plugged in?

Let's say I have some USB stick that I know and trust. I can examine the firmware and generate a checksum for it. Can I use this checksem to ensure that when the USB is next plugged in the firmware ...
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228 views

Using a windows partition as a decoy

I'm interested in setting up a laptop that dual boots Windows 7 and openSUSE. The plan is to encrypt the openSUSE partition and require a USB thumb drive with the encryption key for it to boot. Where ...
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1answer
3k views

Is it possible to bypass USB access restriction placed by the Active Directory? [closed]

I've been tasked with an onsite engagement to see what I can find from one of their laptops. They have a policy in place to block USB access through the Active Directory, e.g. When you try to access ...
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Best way to deal with Encrypted USB user authentication

So I'm working with a client who wants the absolute highest level of security for his project. I pitched him the idea of hardware user authentication with one of those encrypted USB drives with the ...
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2answers
163 views

If I format a USB stick, will the old contents be recoverable?

I have read that the "safest" way to make sensitive USB contents un-recoverable is to hammer to pieces the USB stick. Indeed, a quick search on Google shows up hundreds of ways to "recover usb files" ...
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96 views

Can a Windows program compromise the desktop hardware without giving administrator rights?

If I run a program on a Windows 10 machine, can the program install a virus on an attached USB drive, and can it install a virus into the firmware of the computer to be loaded before the OS/bootloader?...
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709 views

Can dual-boot, encrypted Windows 7 installations be fairly well secured against each other?

We have corporate network where remote workers connect via encrypted latops (Windows 7) using VPN (Cisco AnyConnect client), log into the Windows domain and access their network shares, Outlook e-...
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161 views

Allow only single aplication to access files on USB stick with Linux namespaces

It looks like i found a way to allow only single application to access files in USB storage. This script must be run with sudo. #!/bin/bash # create namespace unshare -m<<EOF # mount device ...
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1answer
341 views

Is it risky to use an untrusted keyboard?

Suppose you're buying a new keyboard (say USB-wired, but consider Bluetooth connected as well) from Ebay. Is it risky to use that keyboard in a sense that it could be more than just a keyboard? ...
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1answer
169 views

How does a “fake” network-adapter steal credentials?

I've read that devices that look like USB flash drives can be hidden network cards that can then steal credentials even when the screen is locked. (Like the Bash Bunny) I understand that being the ...

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