Questions tagged [usb]

an industry standard used for connecting to and powering peripheral devices (keyboards, mice, cameras, printers, external hard drives, etc) from a computer or other USB capable device.

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35 views

USB read only permission and antivirus

We would like to block write permissions to USB drives. We will allow user read-only permissions to the USB drive. By doing that, do we still allow the Antivirus to scan the USB drive and delete, if ...
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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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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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Requiring hardware key at boot-up on normal laptop

I am sure that a question like this already exists and has probably been answered. I just couldn't find any results (probably due to my inability to word my question correctly). We use laptops at ...
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4answers
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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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Accidentally “trusted” work PC when I connected my iPhone 6 - can my employers still see my pictures after I unplug it?

I just trusted my work PC (Windows 10). I didn't open my iPhone 6 files. I didn't view any pictures and I unplugged it pretty quick after I accidentally trusted it. I was wondering if my employers ...
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Recovering data on unallocated space from FAT16 USB drive

I'm actually trying to make my hand around forensic and information security as a whole. To do this, I'm trying to make a lot of CTFs. The last one I got to do is puzzling me, 1st because I have no ...
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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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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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3answers
211 views

Does connecting an android device via usb to a PC pose a risk if charging is selected?

If an android device has some something malicious on it that can also target/affect PCs. And that device is connected to a PC via USB, by default it automatically chooses to start charging. Is there ...
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2answers
143 views

Bluetooth vs USB Mouse Security

I had a question regarding the use of Wireless mice and security. In general which method of using a wireless mouse is considered more secure, using a mouse with a USB dongle, or using a mouse that ...
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1answer
153 views

Are there any known viruses/malware that can infect Ubuntu that come from the USB?

I know that most viruses that can infect the OS from having an infected USB inserted into the PC are mostly Windows only, but is there any possibility that there is one that can affect Ubuntu as well?
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How to mitigate the new malicious USB cable USBHarpoon (NOT BadUSB) threat in an enterprise? [duplicate]

In this case, the victims may think they are using a generic USB cable, but the PC will recognize the cable as a Human Interface Device, much like it would a mouse or keyboard, giving the attacker ...
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Need to make a USB device look like a keyboard

My company is implementing "BitLocker to Go" encryption to encrypt USB flash drives. However we us Barco USB wireless presentation devices. Each time one is plugged in, Bitlocker wants to encrypt it (...
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4answers
147 views

Can a wifi usb adapter double as a keylogger?

I've read that there are keylogger hardware and thought that usb wifi adapter are hardwares and wondered if they can be hacked to work as a keylogger. I'm just worried that my usb wifi adapter might ...
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2answers
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Watching movie from a potentially infected device

I went on holiday with a friend. He filmed and made a movie from our trip. He put the movie on my usb key. I was about to plug this, but realised my friend does not have good security practices, so ...
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8answers
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Force user to remove USB token

I'm looking at setting up secure laptops using BitLocker with pre-boot PIN and startup key. I'm wondering if there is a way to force the user, who is remote, to remove the USB with the startup key ...
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2answers
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risk from USB-C port on locked laptop

If an attacker has access to the USB-C port on my laptop which is in powered on but at the lock screen, what is the risk that they are able to carry out an evil maid attack? Say I'm in the room but ...
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How to prevent threats from usb on Linux? [duplicate]

OS: archlinux I'm thinking of logging into a restricted user with mount permissions and examine behavior of the usb. But what if usb has injected hardware that would inject code directly when I ...
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1answer
141 views

USB Mouse in the meeting room

In our meeting rooms we have at our disposal the necessary material for presentations. HDMI, and mouse etc., lock down to the table (3 digit lock). All the mouse have been removed for security ...
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1answer
84 views

Persistent Bootable USB with Write Protection?

I am developing a series of extraction scripts (currently python 2.7) for a university project - these tools will be provided on a bootable USB for use by first responders when encountering a suspect ...
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1answer
48 views

What considerations are there for using USB WiFI adapters and how to protect against them?

Often with older machines, the built-in WiFi adapters have failed. These in turn drive a demand to procure USB WiFi adapters since ethernet connectivity is not a choice. Since the devices will be ...
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1answer
189 views

Detecting USB-based(Arduino Leonardo) attacks

Can a USB-based atack, e.g., BadUSB, RubberyDucky be detected by observing the output from dmesg? I bought a brand new DFRobot Beetle, which is essentialy a miniaturized Leonardo. A few seconds after ...
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1answer
125 views

Can a USB with an infected MBR or GPT harm an OS that reads it?

Assume a USB drive has an MBR or GPT that has malware in it. I already understand that booting from such a USB device would execute the malware as part of the bootloader. If I understand correctly, if ...
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2answers
126 views

Boot from live usb to avoid being spied on

Suppose the government wants to spy on you using government-designed malware. If you then want to visit sensitive pages on the internet, would it be more secure to use Tor browser within a USB - live ...
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How to securely initialize a private key from several parts

This explains a lot about how certificate authorities store their private keys. I read somewhere else that the key is broken down into as much as 20-something parts, and stitched together from those ...
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Malware spreading via installation media

Imagine user downloads and burns installation USB stick on their compromised Linux system. Are there any known malware that is capable of spreading via Linux distributions installation media so that ...
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1answer
268 views

How can I safely use potentially infected USB sticks from a previous OS installation?

So I recently upgraded an old MB Pro to Mojave because I was concerned I could've infected it. Now I'm probably overreacting to all of this but since I was using all of my USB sticks in the previous ...
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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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2answers
523 views

How we can prevent innocent looking USBNinja (USBHarpoon) attacks?

Is there anything we can do across the company to make sure USBNinja and other similar USB cables that looks so real for users can really be mitigated?
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1answer
110 views

How to prevent a virus from stealing data when I transfer files between offline and online computers?

Let's say I have one offline computer with some important data, and one online computer. Sometimes I need to move files from the offline computer to the online one. When I transfer those files, is ...
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1answer
62 views

Reading SD cards on a GPO blocked USB [closed]

Our company has a GPO which blocks USB mass storage devices. The GPO permits Media Transfer Protocol (MTP) connections. Some SD card-based camera devices don't support MTP so they are blocked as they ...
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2answers
1k views

Can infection effect a phone through it's wireless hotspot, also the usb tethering

If I made a wireless hotspot from my phone and had computers infected with malware connect and use my wireless connection of the phone can any malware from the pc get into the phone? If my phone was ...
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1answer
134 views

Which encrypted USB stick is the better option? [closed]

I am looking for a hardware encrypted USB stick to carry some important files such as my KeePassXC database, Key files, cryptocurrency wallets, certificates and other stuff with me. There are some ...
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3answers
195 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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1answer
70 views

Working from a USB [closed]

I have a Mac for my work laptop and I would like to work on my xCode project, I can't work on the laptop directly and save the file to computer due to fears that it could one day be recovered & be ...
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2answers
69 views

Is there a risk in rebooting a smartphone while it's connected to an unknown USB port?

I rebooted my phone while it was connected to the PC and saw a notification about a failed device installation. Looked up the text and the code, and it turns out my phone exposes a certain way to ...
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1answer
816 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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1answer
314 views

Are PS/2 devices a risky piece of hardware for modern point of sale devices to be using?

This question is based off of a TempleOS question here on Super User. The gist is that PS/2 support seems to be disabled from many modern BIOS’es due to a possible security flaw in the protocol. ...
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2answers
133 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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3answers
2k views

How protect ourselves from USB Firmware viruses? Does Antivirus help?

On Windows (pnd probably other operating systems, I don't know), when you plug in a USB appliance (a flash drive, mouse, etc) Windows automatically runs the "Device installation" and the firmware is ...
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120 views

How to find if a USB has been plugged in on a certain date? (Linux/Mac)

Starting from this great script offered by Daniel Azuelos cd /Volumes/suspicious_USB /usr/bin/sudo find . -atime -21 -exec ls -dluT {} \; How is it possible to modify it in order to find if a USB ...
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2answers
219 views

Creating portable bash terminal & cmd to USB [closed]

Developing my toolkit and I want to have a safe edition of cmd.exe and bash on a usb. Why? These can be tampered with by attackers and I want a version I know is safe from manipulation. Any ...
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1answer
480 views

How can a user defeat anti-live forensics software?

Let's say I have a computer with full disk encryption which is logged and running, but I suspect it has anti-forensics software (eg. usbkill), which means that I risk compromising the integrity of the ...
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1answer
471 views

TLS/SSL over USB using OpenSSL [closed]

I want to secure the communication of an embedded device that is connected to a host via USB. At the moment I'm considering using the openssl library. I can use it on the embedded device and on the ...
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0answers
180 views

Can you get a virus / malware just by plugging in a USB device? [duplicate]

I recently bought an electronic cigarette lighter which is charged via USB. I have no idea if the company that made it is trustworthy as it is one of those no-name brands. The thing that concerns me ...
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1answer
105 views

Does using an UPS mitigate power-analysis attacks on a keyboard?

Are there any papers that can document that using an online UPS (Uninterruptible Power Supply) can reliably protect against power-analysis attacks that attempt to read keystrokes on wired keyboards? ...
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1answer
106 views

Security considerations for USB keyboard/mouse switches

I am considering purchasing a basic USB keyboard/mouse switching box in order to allow me to use the same keyboard and mouse with two different physical machines. This is similar to a KVM (keyboard ...
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1answer
236 views

Can smart power meters read key presses on a wired keyboard?

Smart power meters are becoming quite prevalent. Question: Can a smart power meter (with patched firmware) read the keys pressed on a wired PS/2 or USB keyboard, connected to a desktop computer? What ...
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2answers
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Can a program containing virus, used to flash USB firmware infect it despite formatting?

I was having problems with my Kingston 8GB USB drive (it kept saying "write protected"). I solved the problem by first using ChipGenius and then a program called "Restore v3.13.0.0". I downloaded from ...