Open-source intelligence (OSINT)- Osintgram
Since this is the first time, on this blog, that we mention OSINT, here is a brief definition from Wikipedia: “Open-source intelligence (OSINT) is the collection… Read more
Online account security
In this article we presented the important role that our account and password have on daily life. At this point in time, according to haveibeenpwned.com… Read more
Windows local and remote login with MFA
Did you ever wonder how you can add an extra layer of security to your local machine account? Well, if the password, PIN or ID… Read more
How to secure a linux server
Well, as you know 100% security does not exist, so our only chance is to try secure our servers as best as posible. The steps… Read more
How to login via key file in Linux
Accesing a Linux server via a key file is another layer of security that someone should apply on servers. Besides secure, this method is also… Read more
Sudo security issue – CVE-2021-3156
According to CVE there is a major bug found in sudo. Yes, that command we use to elevate rights on Linux systems. CVE states that… Read more
How to disable root login via ssh
Having your root enabled login via ssh is not a good ideea. Root is the is the most privileged account on a Unix system. If… Read more
How to change ssh port on linux server
One of the first things you should do, to set a layer of security to your linux server, is to change the default access port… Read more
Why passwords are important
Working with many persons around the world I see each day that nobody cares about the importance of a password. Are they locking their door… Read more