Different Types of Firewalls Explained (WAF, HBF, NBF, NGFW)
Web Application Firewall (WAF)
It’s a Firewall that operates at the Application Layer (Layer 7 OSI) that’s designed to monitor, filter and block HTTP/HTTPS traffic...
TCP Flags Guide
Here’s a breakdown of each TCP flag with its purpose and for what’s used.
SYN (Synchronize) - Initiates a connection between two hosts. It’s the...
Digital Certificate Management
Certificate Authority (CA)
This is a trusted organization or entity that issues digital certificates. These certificates are used to verify the identity of websites, individuals,...
System Failure Behaviours Explained
The terms “fail open”, “fail close”, "Fail Safe", "Failover" describe how systems behave when they encounter a failure or unexpected event. These concepts are...
Access Controls
Access controls are mechanisms that manage how resources are accessed and by whom. Here are some common types of access controls:
Role-Based Access Control (RBAC)
Permissions...
What’s Log4j and Log4Shell vulnerability
Log4j is a widely-used Java-based library developed by Apache Software Foundation that’s designed to enable developers log various levels of information (trace, debug, info,...
Load Balancing
Load balancing is a process used to distribute network or application traffic across multiple servers, ensuring no single server becomes overwhelmed. Improving responsiveness and...
True Positive vs False Positive vs True Negative vs False Negative
Understanding these concepts is crucial for accurate threat detection and response as it helps to evaluate and improve the accuracy of security measures, ensuring...
Black Holing Made Simple
This is a network security measure used to handle unwanted or potential harmful traffic. If the traffic is unwanted or harmful, all the data...
Disk Redundancy RAID
Disk redundancy through RAID (Redundant Array of Independent Disks) is a method used to protect data and improve performance by combining multiple hard drives...
RECENT
SIMILAR
DNS Sinking Explained
DNS Sinking (DNS Sinkholing) is a crucial cybersecurity technique used to redirect malicious or unwanted traffic to a controlled IP address, effectively neutralizing threats...
Simple Concepts of Reverse Engineering
Reverse engineering in cybersecurity involves analysing software, systems, or hardware to understand their design, functionality and behaviour. The goal is often to uncover vulnerabilities,...
Risk, Vulnerability and Threats
In cybersecurity, understanding the differences between risk, vulnerability, and threats is crucial for effective risk management and mitigation.
Risk
This is the potential loss, damage or...