WAZUH is an open-source security monitoring solution that helps organizations detect and respond to cyber threats. It provides a centralized view of your security posture, allowing you to monitor and secure your infrastructure, applications, and networks in real-time. It includes a variety of features and capabilities such as: Intrusion …
SPAM (or more specifically phishing) email is the most popular and effective weapon of cyber attack now a day. What is the first thing people do after receiving a spam email? Some got caught in the spammer net, some ignore it, some deletes the email, but as a security enthusiast …
The Uncomplicated Firewall (ufw) is a front end for iptables and is a host based firewall. In this tutorial we will see how to enable and configure ufw firewall on Ubuntu system. Ubuntu 8.04 LTS introduced ufw, and it is available by default in all Ubuntu installations after 8.04 LTS. One …
iptables, The most common and widely used Linux firewall for IPv4 traffic. Like iptables, Linux has another firewall utility called ip6tables which is used for IPv6 traffic. These two tables need to configure separately for IPv4 and IPv6 packet. In this tutorial we will see how to configure ip6tables in Ubuntu …
The goal of the Information security is Confidentiality, Integrity and Availability are also known as CIA triad. The security people who are protecting, and the bad people who are breaking the security are actually trying to protect and break these three things. The best and easy example is a DDOS …
A honeypot is a computer software or device that exists only for attack. Yes, that’s the main goal of a honeypot. When you deploy a honeypot the main goal of the system is to be attacked. When a hacker interact with the honeypot, it starts logging the activity of the …
Hello everyone. Today I’ll show you how to implement 2 factor authentication for SSH on Ubuntu 16.04 server using the Google Authenticator app. We will use ssh key (1st factor) and a randomly generate code (2nd factor) by Google Authenticator to login to our Ubuntu server. I use Amazon EC2 …
hello everyone. Today I will show you how to login Cisco router using ssh key. We will enable ssh on the router and then generate a key on an Ubuntu Linux server and using that key we will login to our router. The process is easy, lets start. Change the …
A serious bug has been detected recently in Linux kernel named Dirty COW (CVE-2016-5195). An unprivileged local user can use this flaw to gain write access in the system. The bug existed since around 2.6.22+ (release in 2007) and was fixed on Oct 18, 2016. Exploitation of this bug does …
Almost all nix administrator use ssh (Secure shell) for managing server remotely. There are several way to use ssh. One of them is to use a manually generated public-private key pair to perform the authentication. In this tutorial I’ll show you how to create that public private key and use …
