What are the possible causes of a changed ssh fingerprint?
Some context: during a penetration test, something happened which I don’t remember happening before. When connecting to the VPS I used to verify the vulnerability, my ssh client co…
I read often that you should not share a PGP private key. I understand that and it makes sense. If someone has my private key (and manages to obtain the password for it), I can be impersonated.
But are there usecases where sharing a priva…
My system disk is full encrypted with luks. My Ubuntu logs in automatically, because I am the only user. But I still need to unlock my Gnome Keyring and I wonder, if there is any sense for that. Because I always unlock the keyring when I l…
Last week, the CERT/CC published an advisory describing some unexpected behavior they observed when enabling system-wide mandatory Address Space Layout Randomization (ASLR) using Windows Defender Exploit Guard (WDEG) and EMET on Windows 8 and above. In…
I have two network segments (call them A @ 192.168.1.x and B @ 192.168.2.x) plugged into two separate NICs (NIC-A and NIC-B).
The OS on the physical machine is standard stock Ubuntu, with nothing configured to do any bridging on routing….
A security risk with ordinary flash drives is that they have re-writable (flashble) firmware, which basically lets a hacker replace the operating system of the USB drive with their own.
Are there any USB drives that are guaranteed to be r…
