Collaborate Disseminate
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 looking for a way to physically destroy an… Continue reading How to physically destroy an SSD at home?
To bypass a secure boot for System on Chip (SoC), some attacks target the phase of copying the bootloader from where it is stored to the main memory. Instead, a malicious code will be copied to the main memory. In that case, the bootloader… Continue reading Bypassing Secure Boot in System on Chip
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) that can be configured to have some of … Continue reading Tamper Protected VS. Tamper Proof for write-protected memories
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 the same time?
In additio… Continue reading Read-only vs. Write-protected
An NES cartridge in its most basic form is a surprisingly simple device, it contains two ROMs hosting all the code and assets of its game, and a Nintendo code chip that provided what was a state-of-the-art consumer DRM system for the 1980s. Decades later its inner workings have been …read more
Continue reading Bringing The NES Cartridge Into The USB Age
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?
Does Windows Update ma… Continue reading How can I verify that my laptop does not have malware in the firmware?
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 of data stored in an EEPROM after the … Continue reading Recovery of EEPROM data after bulk erase operation
Lot of posts about badUSB (here and there) suggest to use a PS/2 connector for mouse and keyboard or to whitelisted USB devices or even use a hardware firewall that only allows whitelisted commands.
The purpose is to protect the usb devic… Continue reading Non-upgradable usb device against badUSB
USB flash drives contain small microcontrollers that run firmware.
I have heard that there is a way using USB to access that firmware and even to upload it.
Is this indeed the case?
When I look at the ‘lsusb’ output I do not … Continue reading USB thumb drive firmware access
This question already has an answer here:
Is it enough to only wipe a flash drive once?
3 answers
I want to wipe all resi… Continue reading How to safely wipe a USB flash drive [duplicate]