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.
266 questions
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Can a PC be infected by a charging cable that came with my phone? [duplicate]
I want to perform a DFU restore on an iPhone 15 Pro Max. The phone is jailbroken, so I want to restore it with DFU restore on a new PC. The problem is that I'm scared enough to think that the cable I ...
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2 votes
1 answer
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CVSS 3.1 Rating and Attack Vector for USB-based Vulnerabilities
I recently had to look into some USB-related vulnerabilities and was surprised to see that in NIST's NVD analysis the attack vector was stated as "Network" (AV:N) for CVSS 3.1. Examples are ...
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Block access to device except USB
We would like to sell a device (Raspberry Pi) to our customers that does process customer data. The device contains sensitive data and software to which the customer should not have access. The ...
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Should you format a USB card reader?
I bought a no-name USB stick that acts as a SDXC/microSDXC card reader (2 slots). I mounted it on a RaspberryPi and saw something like this : /sdb1 Available: 500Mo Used: 40Mo Can you/Should you ...
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Is it possible to proxy USB and disconnect when a certain sequence is intercepted before it is (fully) passed to the real USB device?
Let's assume: I have a piece of software (with a webUI) that has access to a USB device through the host OS. The software itself can't be changed. The software has the ability to perform a firmware ...
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3 votes
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Best Practice for Creating and Accessing an Encrypted Database with a Strong Threat Model
Goal: I'm seeking feedback on the most secure setup for creating and accessing an encrypted database (KDBX4 format) that minimizes exposure to potential remote attacks. This database will contain ...
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1 vote
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Can USB installation stick rewrite any firmware inside my PC?
I had written an OS installation image to USB to be launched on untrusted PC. Can the untrusted PC modify USB's installation image, for example Windows 10 image, so that when I plug in the same USB to ...
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2 votes
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"Scanning" available USB drivers on a port
For network-based attacks, there are many tools that scan a system for open ports and perform fingerprinting to find out what software is running on the system. Does something similar exist for USB ...
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Can a USB stick be made to automatically hack a system?
I am a cybersecurity professional who is interested in researching the field of injectables. Does a device exist, or can be made, that if plugged into a computer would instantly start attacking the ...
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2 answers
280 views
Clean wipe of USB stick of any hidden codes
If I purchase a supposedly brand new USB stick (or micros SD, or similar portable storage devices) online, and I don't quite know the origin where they are produced, and I am a bit paranoid, is there ...
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1 vote
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How to create read-only pendrive (no availability of coping, deleting or overwriting) [duplicate]
I want to create pendrive or external HDD, that is read only. To be precise - I want to be open to read files on it (documents or video files), but to prevent files from being copied off disk. As I ...
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1 answer
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Is an antivirus needed for linux home usage when there is exchange of files with other OS e.g. Windows?
I was under the impression that an antivirus for Linux makes sense only for installing in business computers. Checking Norton/BitDefender/Karpesky I don't see any Linux option for the first or any non ...
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Protect the content of External Disk/USB Storage
Due to certain circumstances, we are forced to keep some copyrighted data in an external hard disk. due to privacy concerns, we want to allow this data to be accessed only from a trusted/office ...
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1 vote
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275 views
Creating bootable USB from a compromised OS. Is it safe?
If we buy for instance a laptop with an OS pre-installed e.g. Ubuntu and but the original seller was not reputable and there are doubts with the preinstall. My question is: if we use the laptop to ...
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1 vote
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How can we confirm with certanty a USB or Harddrive is not infected after reformatting?
Running the following code on a linux machine returns the partition tables and partial config of the hard-drive and USB devices. fdisk -l returns Disk /dev/nvme0n1: 238.47 GiB, 256060514304 bytes, ...
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