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Questions tagged [flash-memory]

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40 questions
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1 answer
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I have been reading about NVS flash partitions for use in embedded systems and that the NVS key-value data can be encrypted by using a symmetric key. This symmetric key is then stored in a separate ...
Engineer999's user avatar
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2 votes
0 answers
191 views

Let's say I have an SSD on a Windows machine that supports TRIM. After I delete a file / some files on it, assume the TRIM command is sent, and those pages are marked as invalid. At some point, the ...
ben's user avatar
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1 vote
0 answers
179 views

There is a lot of information online and on this forum indicating that it is difficult to securely erase SSD or flash drives. Normally, the expectation would be that data is erased by overwriting it, ...
user794729's user avatar
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1 vote
0 answers
112 views

So I've just had an SD card ruined & while it's not very expensive, I'd rather have it last me a much, much longer time. As a precaution going forward now, I'd like to be able to detect right away ...
Tempus Nomen's user avatar
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1 vote
2 answers
2k views

Which heat ensures permanent loss of data on flash memory, in particular, on consumer-grade USB thumb drives (e.g., http://www.amazon.de/dp/B085SXT9FS or http://www.hood.de/0094819941.htm )? How long ...
user avatar
6 votes
2 answers
5k views

Assuming a given SSD supports TRIM, and is on a physical bus that supports sending that command, and the connected computer is running an OS that is aware of TRIM: If the drive is formatted, or has ...
craig65535's user avatar
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2 votes
2 answers
2k views

The card was a 16gb SanDisk micro SD card (monolithic).
user avatar
10 votes
4 answers
43k views

SSDs seem to be notoriously tricky to properly erase (see for example this question and answers here). An easier and potentially safer solution could be to physically destroy the SSD device. I am ...
fgysin's user avatar
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2 votes
1 answer
873 views

I read in the answer here by Marcus that ROM is Tamper-proof. What is the difference between tamper-proof, tamper protected and tamper-resistant? Now, there are some re-writable memory (eg. eNVM) ...
Lavender's user avatar
  • 279
3 votes
1 answer
692 views

From an information security aspect, is there a difference between saying "read-only" or "write-protected" storage/memory? Is there a chance that a read-only memory would not be write-protected at ...
Lavender's user avatar
  • 279
1 vote
1 answer
496 views

I purchased a used laptop on eBay. I scrubbed the hard disk to make sure there were no lingering or unknown viruses left on the disk and then installed fresh Windows 10. But, what about the firmware?...
SGSK's user avatar
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14 votes
2 answers
2k views

I am aware of research which shows that single (or sometimes double) random overwrites on a magnetic hard drive is enough to ensure data is not recoverable, but is there any research into the recovery ...
forest's user avatar
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32 votes
5 answers
13k views

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 ...
LtMuffin's user avatar
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2 votes
2 answers
327 views

I start with the fact that I understand how flash devices (pendrives) can be encrypted with software, for example Bitlocker. Simply, the encryption key is the password given during encryption and ...
Tom's user avatar
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1 vote
1 answer
189 views

It can be understood that if i delete some data, those bytes may not be written by other data can be extracted because the data actually resides on those sectors/cells. But i wounder how the bytes ...
Nouman Tajik's user avatar
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