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, warn, error, and fatal) from their applications...
Cyber Threat Intelligence (CTI)
This is the process of gathering, analysing, and utilizing information about potential or current threats to an organization’s digital assets focusing on understanding the threat landscape identifying threat actors, and anticipating...
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 they are reliable and effective at detecting...
Detection Engineering and Its Types
This aspect of cybersecurity focuses on developing methods and strategies to detect malicious activities within an organization’s network and systems. It involves creating, deploying, and maintaining detection mechanisms such as alerts,...
How Tokenization Works
Tokenization is a data security technique where data is replaced by non-sensitive equivalents, called tokens. These tokens can be used in the system without exposing the sensitive data.
Where is Tokenization Used?
This...
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 sent to a particular IP address or...
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 to and from a Web Application.
This type...
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Network Topologies Explained
Bus Topology
This setup connects all devices (Network Nodes) in a sequence on a single cable or ‘bus’. Data travels back and forth along the bus, and devices listen for data meant for them.
Components:
Main Cable (Bus) - Central backbone of the network, to which all...
Types of DoS Attacks
Denial of Service (DoS) attacks are malicious attempts to disrupt the normal functioning of a targeted server, service, or network by overwhelming it with a flood of internet traffic.
Volume-Based Attacks
These attacks aim to consume the bandwidth of the target network or service.
UDP Flood: This...
Kernel Explanation
The kernel is a fundamental part of any Operating System, acting as the bridge between software and hardware. It’s responsible for managing the system’s resources, allowing applications to interact with hardware without needing to know the intricate details of the hardware itself.
Key Functions of...