3
votes
1answer
112 views
+50

Authenticate tracking device with TCP server

I am building a tracking device and am looking for a secure authentication method to use when the device wants to establish a connection to the server. The server is a TCP server that we open a ...
5
votes
3answers
93 views
+100

X509 CRL suspended certificates and openssl ca comand

In CRL X509 format we have "Hold Instruction code" for a list of suspended certificates. I know that "its use is strongly deprecated for the Internet PKI", but in my own private CA, I want to use it. ...
22
votes
1answer
2k views
+50

Passive and active attacks via X11. Is Wayland any better?

In The Linux Security Circus: On GUI isolation - The Invisible Things Lab's blog, Joanna Rutkowska describes attacks from one X11 app on another and the general problem of the lack of GUI-level ...