Collaborate Disseminate
Is there anything more discouraging to the reverse engineer than to see a black blob of epoxy applied directly to a PCB? We think not, because that formless shape provides …read more Continue reading Oddball LCDs Reverse Engineered Thanks to Good Detective Work
Open-source software has gone a long way into making modern technology the way it is today. The Linux kernel alone is almost single-handedly holding up the entire Internet, and various …read more Continue reading One Less Binary Blob
I am looking into how DMA works at the device driver and kernel level in the Linux kernel.
I observed that access control to DMA buffers from IO devices is performed by the IOMMU and IOMMU driver in the kernel.
I will provide an example to… Continue reading How does IOMMU and/or Linux kernel handle DMA that span a page boundary?
How safe are installed & genuine-vendor signed old drivers, specifically when attackers are spoofing Microsoft and other vendor certificates?
On older PCs and laptops where some components are no longer recognized by Windows Device Ma… Continue reading Is having no driver installed better than having old driver?
Microsoft has revoked signed drivers used for post-exploitation activity, in many cases by Chinese cybercriminals.
The post Microsoft Revokes Many Signed Drivers Used by Chinese Cybercriminals appeared first on SecurityWeek.
Continue reading Microsoft Revokes Many Signed Drivers Used by Chinese Cybercriminals
For those of us who are a little older, the 90s seem like they were just a few years ago. The younger folks might think that the 90s were ancient …read more Continue reading New Drivers for Ancient Webcam
I have connected a hard disk containing bootable Windows to a system confirmed to have a rootkit and attached that disk to a couple of other systems through SATA. I’m wondering (It’s kind of been gnawing at me):
Can the rootkit theoretica… Continue reading Can rootkit spread through ATA interface?
Anyone looking for components for electronics projects, especially robotics, microcontrollers, and IoT devices, has likely heard of Waveshare. They are additionally well-known suppliers of low-cost displays with a wide range …read more Continue reading Low-Cost Display Saved By RP2040
Like the incandescent bulb before it, the compact fluorescent (CFL) bulb is rapidly fading into obscurity as there are fewer and fewer reasons to use them over their LED successors. …read more Continue reading New Possibilities from Fading Lighting Technology
PC manufacturer Lenovo has been forced to push out a security update to more than two dozen of its laptop models, following the discovery of high severity vulnerabilities that could be exploited by malicious hackers.
Security researchers at ESET dis… Continue reading Update your Lenovo laptop’s firmware now! Flaws could help malware survive a hard disk wipe