Collaborate Disseminate
For software that process untrusted data and have an option to use hardware acceleration, does enabling hardware acceleration increase the attack surface of the software? Examples of situations where typical software process untrusted data… Continue reading Does enabling hardware acceleration increase the attack surface of software?
Suppose I pair two Android phones together using Bluetooth and transfer a file from the first phone to the second by sharing the file using Bluetooth. Does Android encrypt the file transfer so that no third party can intercept the Bluetoot… Continue reading Are Android Bluetooth file transfers encrypted?
My car’s entertainment system is only able to play audio CDs and receive AM/FM radio. I am thinking of getting a Bluetooth FM transmitter so that I could use my car’s speakers to play my smartphone’s music and make hands-free calls.
It is … Continue reading Do car Bluetooth FM transmitters allow others to eavesdrop on the hands-free phone calls that I make?
My Wi-Fi access point is in "WPA/WPA2 mixed mode", which allows devices to connect to it using either WPA, WPA2-TKIP, or WPA2-AES. My Apple® smartphones and tablet computers are warning that my Wi-Fi has "weak security"… Continue reading Does WPA/WPA2 mixed mode have weak security even if I always connect using WPA2-AES?
Do PDF files have the ability to ping a remote server such that the remote server will know that I opened the PDF file? If so, how do I stop that? I am using the Evince PDF reader on my computer that is running the Ubuntu operating system…. Continue reading Can a PDF file make network requests to remote computers?
Is it possible to add an email address to an existing GPG key? When I created a key using gpg –gen-key, I left the "Email address" field blank. Now I want to add an email address.
If I have already used the key to encrypt docume… Continue reading Can I add an email address to an existing GPG key?
I created an SSH SOCKS tunnel that forwards connections from a local port to a remote server: ssh -N -D 127.0.0.1:1234 me@example.com (i.e. all connections to 127.0.0.1:1234 get forwarded to the example.com server). I then configured the T… Continue reading Can my ISP know that I am using Tor if I am connecting to Tor via an SSH SOCKS5 proxy?
While reviewing the suggested edits for the Personal Finance & Money Stack Exchange site, I came across some strange proposed edits:
Example 1:
Example 2:
This looks like some kind of attempt at attacking the website. Could you exp… Continue reading What is this attacker trying to do by making edits to Stack Exchange posts?
When I tried to visit a particular website using Mozilla Firefox, I got a SEC_ERROR_EXPIRED_CERTIFICATE error because the website’s SSL certificate has expired. If I decide to click on the "Accept the Risk and Continue" button, w… Continue reading Is my HTTPS connection still encrypted if the SSL certificate has expired? [duplicate]
When I tried to visit a particular website using Mozilla Firefox, I got a SEC_ERROR_EXPIRED_CERTIFICATE error because the website’s SSL certificate has expired. If I decide to click on the "Accept the Risk and Continue" button, w… Continue reading Is my HTTPS connection still encrypted if the SSL certificate has expired? [duplicate]