Collaborate Disseminate
What is the cheapest/convenient way to isolate a mobile phone from recording with microphone?
My constraints:
The cellphone has to stay in the room, I can’t put it outside
Maximum 100$ solution
Must not take more than 30 s… Continue reading Cheapest and tiniest acoustic isolation for smartphone?
Isolation is a pretty effective method against malware. There are tools to isolate running code in various ways(qubes-os, bromium, fireglass), i.e. using a micro-vm for each task, either locally or remotely.
The other major … Continue reading Are there tools to isolate protocols on major operating systems?
I’m looking forward to using a volatile VM. And according to this source :
By default, network address translation (NAT) is configured by the virtualization software such that the guest OS shares an IP address with the ho… Continue reading How to ensure the traffic between vm and host doesn’t mix in Windows?
I’m looking forward to using a volatile VM. And according to this source :
By default, network address translation (NAT) is configured by the virtualization software such that the guest OS shares an IP address with the ho… Continue reading How to ensure the traffic between vm and host doesn’t mix in Windows?
I have been thinking on how an app could be “perfectly” isolated from the rest of the system. Now I know we will never achieve “perfect” in practice, but in theory, how could one go about it? I put together a few thoughts:
… Continue reading Designing a sandbox or how to "perfectly" isolate an app?
My NodeJS script starts a web server on port 8008. I have root access to the machine, but the server’s running as a separate user account with no sudo access, called nodejs.
Since SSL is enabled, it requires access to the pr… Continue reading Controlling private key access for a web server
This one’s not a flashy hack, it’s a great piece of work and a good trick to have up your sleeve. Sometimes you’ve got a voltage difference that you’d like to measure, but either the ground potential is at a different level, or the voltages are too high for your lowly microcontroller.
There are tons of tricks with resistive voltage dividers that you can play. But if you want serious electrical isolation from the target, there’s only one way to go — an optocoupler. But optocouplers only really transmit digital signals, and [Giovanni Carrera] needed to measure an analog voltage. …read more
Continue reading Isolated Voltage Measurements Through Frequency