IT Security Stack Exchange
IT Security Stack Exchange

Questions tagged [sd-card]

SD (secure digital) Cards are a form of removable non-volatile storage used with cameras, phones, computers, GPS devices, etc. SD Cards come in multiple different form factors including a "mini" and "micro" form factor.

SD (secure digital) Cards are a form of removable non-volatile storage used with cameras, phones, computers, GPS devices, etc. SD Cards come in multiple different form factors including a "mini" and "micro" form factor.

Related reading

24 questions
21
votes
1 answer

Can SD-Card be a vector of a BadUSB type attack when used with a USB reader?

The firmware of a USB flash drive can be maliciously rewritten in order to make it appear as a rogue device (like a keyboard, a network card, etc.). Since several different kind of devices may be simultaneously connected to the same USB port, it…
WhiteWinterWolf
  • 19,082
  • 4
  • 58
  • 104
10
votes
1 answer

Can I decrypt my SD card with another phone?

I found this answer in an old 2016 post, and I have the same problem. I encrypted my SD card and when I unencrypted my phone, I didn't realize I needed to unencrypt the SD card first. To be honest, I probably would have forgotten to anyway, I was…
Susan Keller
  • 101
  • 1
  • 1
  • 3
6
votes
4 answers

Protect Raspberry Pi's physical sd card to be swapped

Scenario: In a company there are Raspberry Pis which are connected to its network environment. A person with bad intentions could swap the SD card and replace it by his own which makes the Pi to a "sniffer" or the person could use it in other…
GotAQuestion
  • 75
  • 1
  • 4
4
votes
1 answer

Unidirectional Data Transmission to a Smartphone

Unidirectional Data Transmission to a Smartphone I'm going to use an old Android phone to store sensitive data (e.g., Bitcoin wallet private key), with no SIM card and WiFi and Bluetooth turned off. I could disable wireless connections physically if…
anton_
  • 41
  • 3
4
votes
1 answer

System Information on which the SD card was used last time

I have an image of an SD card and I am doing analysis on it. Is there any way to find that on which system this SD card was used last time. The image I am having is of a SDHC and has FAT32 as file system. does SD card saves the System information…
Blaze
  • 41
  • 3
4
votes
3 answers

Is there any way to safely examine the contents of an SD card?

I saw this question about reading a USB stick safely, and it made me wonder about SD and microSD cards. I've been told that SD/microSD cards are safer, and that I needn't worry as much about just plugging one in as I would a USB stick. Is this true?…
charliegreen
  • 143
  • 4
3
votes
4 answers

how much time does it take to fully destroy a deleted video from SD card?

I have deleted a video from my SD card six months ago. How much time does it take to fully destroy this video file on the SD card? If I wanted to recover this video, is it possible to recover?
Sajjad Hossain
  • 33
  • 4
2
votes
3 answers

Is it possible to encrypt an SD card?

In the film "Citizen 4", it's said that we cannot encrypt an SD card. Do you know why it would not be possible?
SimonL
  • 29
  • 1
  • 2
2
votes
1 answer

How to encrypt files on my SD card and still be able to access them on my phone seamlessly?

I'm looking for a way to encrypt files on my SD card in a way that I could still access them on my phone without huge delays if the file is big (100mb). Is there such a way to do it? I'm using Android and Windows, though I could get around…
Jack
  • 421
  • 2
  • 4
  • 10
2
votes
3 answers

Searching for files on unknown/proprietary filesystem

I am attempting to find any files or folders on an SD card. Currently I've been looking at it with Foremost, but with no success. I know for certain that the file-system on the SD card is non-standard one that is not publicly available/ I believe…
Spriter
  • 43
  • 5
2
votes
1 answer

Is moving data between devices on an SD Card safer than a USB stick?

From the perspective of USB device-born malware/exploits, especially affecting firmware (e.g., can an infected computer reprogram an inserted USB memory stick to act like a keyboard and autotype malicious scripts on another machine? Or flash the…
user109295
  • 21
  • 2
1
vote
1 answer

Can SD cards on mobile phones and tablets truly be erased?

When performing a factory reset on Android devices, it is my understanding that the pointers to the data located in the SD card are simply erased while the data itself remains intact, waiting for future overwriting. However, I have recently come…
Anon1337
  • 11
  • 2
1
vote
2 answers

Found SD Card - Now What?

I found an SD card at airport security. It's a higher-end card and 64GB. I'm guessing that it's probably from someone's camera and likely has photos on it that they would like returned. Is there a safe way form me to view the contents with the…
Alan Easley
  • 19
  • 1
1
vote
1 answer

Keylogger on an SD Card?

Can an SD card be used as a medium of implementing a keylogger? The location of an SD card slot on some laptops is such that it is impossible to see if it contains a card in it unless you deliberately check it, so it could be an easy spot to put a…
kat
  • 411
  • 1
  • 3
  • 11
1
vote
0 answers

Secure data transfer in the face of DMA attacks even on SD card v 7.0

I want to move data from an insecure host to a secure host, e.g. to update the software on a Ballot marking device, or move data back and forth between such hosts. But as we know, even common thumb drives can stage BadUSB attacks. Until 2019, I was…
nealmcb
  • 20,544
  • 6
  • 69
  • 116
1
2