Tag: Attack

Zero Day Vulnerabilities

The zero day vulnerability is a type of hardware or software flaw for which no patch or mitigation is available. The original creators of the product are unaware of a vulnerability, so they will have known about the issue for zero days when one such vulnerability is exploited and brought to their attention.

The security of your network is of the highest priority, and an attack on your network could cost your business thousands, or even millions, of dollars. An intrusion detection system is one such system that can be used to monitor your network and receive alerts when suspicious activity is detected. In this article, we will explain what an intrusion detection system is and how it works.

Introduction

What happens when a site is compromised? How quickly can you respond when you recognize the signs that something is amiss? In today’s article, we will explore some of the more common indicators of a compromised website, how you can spot it, and how to act on it in a timely manner. 

What Is Fail2Ban?

Fail2ban is an open-source software that actively scans the servers log files in real-time for any brute force login attempts, and if found, summarily blocks the attack using the servers firewall software (firewalld or iptables). Fail2Ban runs as a background process and continuously scans the log files for unusual login patterns and security breach attempts.