A Rigid Security Model Mandatory Access Control (MAC) is a security model where access to resources is determined by a central authority based on security labels assigned to both subjects (users, processes) and objects (files, resources). Unlike discretionary access control (DAC), where the owner of a resource can control who accesses it, and role-based access Read More …
Category: Learn IT
This is all of the posts dedicated to sharing the IT knowledge I have accumulated through the years and through all of the positions, companies, and projects. As I say, I am not the sharpest tool in the shed, but my shed and tool collection is a lot larger than the average bear, Boo Boo.
CAA – Certification Authority Authorization
A CAA record is a type of DNS (Domain Name System) record that helps improve the security of a domain by specifying which certificate authorities (CAs) are allowed to issue SSL/TLS certificates for that domain. To understand this better, let’s break it down: What is DNS? DNS is like the phonebook of the internet. It Read More …
The Key Benefits of Containers and Kubernetes for Organizations
Unlocking Efficiency Containers and Kubernetes offer numerous advantages for organizations, significantly enhancing application development and deployment processes. One of the primary benefits is agile application development, as containers simplify packaging and facilitate rapid deployment. This allows for frequent application builds, quick software releases, and granular rollbacks, ultimately improving top-line growth and customer experience. Another key Read More …
Kubernetes Ingress Controller’s fake certificate
A Kubernetes Ingress Controller’s fake certificate is a security issue because it’s a self-signed certificate, which is not trusted by web browsers or other clients. This means that users will encounter certificate warnings or errors when trying to access your application, and the Ingress Controller is not providing secure communication. Here’s why it’s a problem: Not Trusted: Read More …
ENIAD – Endpoint, Network, Identity, Application, Data
Overview of ENIAD The ENIAD framework provides a comprehensive approach to cybersecurity by focusing on five critical areas that organizations must protect to ensure a robust security posture. Each component addresses specific aspects of security, enabling organizations to detect, respond to, and mitigate threats effectively. 1. Endpoint Endpoints refer to devices that connect to the Read More …
SID – Security Identifier
A Security Identifier (SID) is a unique, variable-length alphanumeric string assigned by an operating system (OS), like Windows, to every security principal. A security principal can be a user, group, computer, or process that can be authenticated by the OS. SIDs are fundamental to how these systems manage access to resources. Here’s a more detailed Read More …
A Beginner’s Guide to Containers and Kubernetes in IT
What Are Containers and Kubernetes? Imagine you’re moving. Instead of packing individual items loosely, you put everything for your kitchen into one box, label it, and seal it. That’s essentially what a container does for software. It packages an application and all its dependencies (like libraries and settings) into a single, isolated unit. This ensures Read More …
Notes :: Parallel Processing & Parallel Databases
At its core, parallel processing is about breaking down a large, complex task into smaller, manageable sub-tasks that can be executed simultaneously across multiple processing units or nodes. Think of it like a team project where different members tackle different parts of the assignment at the same time, leading to much quicker completion than if Read More …
DLP – Data Loss Prevention
In today’s digital world, protecting sensitive information is more critical than ever. One of the key strategies organizations use to safeguard their data is through Data Loss Prevention (DLP). This article will explain what DLP is, how it works, and why it is essential for anyone interested in information security. What is DLP? Data Loss Read More …
ACE – Access Control Entries
The Building Blocks of Permissions In the realm of Identity and Access Management, controlling who can access what is paramount. While Access Control Lists (ACLs) provide the structure for managing permissions, the individual permissions themselves are defined within Access Control Entries (ACEs). Understanding ACEs is crucial for IT students to grasp the fine-grained control that Read More …