Should the sole user of a *nix (particularly Linux and MacOS) have two accounts, one with sudo privileges and one without? Years ago I read that on your personal computer you should do your daily tasks as an unprivileged user and switch to…
nmap keeps showing different and wrong results whenever I perform a scan to see how many hosts are up on my subnet. See the following scan reports.
The first scan I made was not with superuser privilege. The second scan was made to see if …
I already have my mail server (postfix, courier, mysql) and roundcube as my webmail client, Encrypt() is the current password encryption function,
Is there a way to change the default password encryption from Encrypt() function to md5 or …
In the manners of Browser fingerprinting, is it possible to obtain a somewhat unique fingerprint for the device OS and hardware (a 1 out 1000 entropy score would be good enough for my needs)
Edit:
For more context, I am trying to differen…
In June 2016, we published a blog about a phishing campaign targeting the
Apple IDs and passwords of Chinese Apple users that emerged in the
first quarter of 2016 (referred to as the “Zycode” phishing campaign).
At FireEye Labs we have an automat…
In June 2016, we published a blog about a phishing campaign targeting the
Apple IDs and passwords of Chinese Apple users that emerged in the
first quarter of 2016 (referred to as the “Zycode” phishing campaign).
At FireEye Labs we have an automat…
A client sends data to a server over an SSL-encrypted connection.
I want to see the client certificates that are sent to the server.
I got the server certificate with:
openssl s_client -connect 192.168.254.208:40004 </dev/null 2>/dev…
I have an NFC/RFID keychain that looks pretty much like this one:
When I read it with an Android app called “Nfc Reader”, it shows me a specific ID (always the same) and it says that these technologies are used: IsoDep, NfcA, NdefFormat…
I am thinking of adding URL shortening to my site.
Let’s say my database has already stored url as a plain string, this data was provided by the user and is arbitrary.
So a naive implementation in PHP might look a bit like this
$url = l…
WhatsApp has “recently” deployed end-to-end encryption using the Signal protocol, which is of course also being used by Signal itself. The related white paper (PDF).
Now this raises the question:
Is there still any security benefit to use…
