Author: Surya
CISSP Security Models Explained: Bell-LaPadula, Biba, Clark-Wilson & More
Imagine three different worlds: Although these systems solve different problems, they all rely on one thing—rules. Security models work exactly the same way. They define mathematical rules that determine who can access what, when, and under which conditions. They are the invisible rulebooks behind operating systems, databases, military systems, financial applications, and enterprise security architectures.… Read More →
Secure Design Principles: Building Cybersecurity Like a Bank Vault, an Apartment Block, and an Airport Checkpoint
A bank does not protect its vault with one oversized padlock. An apartment building does not give every resident a master key. An airport does not wave passengers through security because they were checked during their previous journey. These physical systems work because protection is designed into the environment: entrances are controlled, responsibilities are separated,… Read More →
Beyond the Checklist: Migrating Microsoft Sentinel to the Defender Portal Without Losing Incident Truth
A Microsoft Sentinel migration can be technically successful and still make the SOC weaker. The workspace connects, incidents appear, and the dashboard looks healthy—yet an analyst can no longer see the same evidence, an automation rule silently stops matching, or two connectors create competing versions of the same attack. That is why I do not… Read More →
CISSP Study Guide (2026): Complete Roadmap for All 8 Domains
The CISSP (Certified Information Systems Security Professional) is the world’s most recognised advanced cybersecurity certification, awarded by (ISC)². It validates your ability to design, implement, and manage a best-in-class cybersecurity programme across eight critical security domains. This cissp study guide maps every domain, links to every in-depth article on SunExplains, and gives you a clear,… Read More →
Microsoft Sentinel Guide: Complete Operations & Deployment (2026)
Microsoft Sentinel is Microsoft’s cloud-native Security Information and Event Management (SIEM) and Security Orchestration, Automation, and Response (SOAR) platform. Built on Azure, it ingests security data at cloud scale, applies machine learning-driven analytics to detect threats, and automates response workflows — all without the infrastructure overhead of traditional on-premises SIEMs. This microsoft sentinel guide covers… Read More →

AI vs. Machine Learning vs. Deep Learning vs. Generative AI: Understanding the Family Tree That Powers Modern Technology
Think of Artificial Intelligence as an entire university, Machine Learning as one department, Deep Learning as a specialized research lab, and Generative AI as the creative studio producing new ideas. Confusing them is like calling every professor an artist—they’re related, but they serve different purposes. Why Understanding This Hierarchy Matters If you’ve ever heard someone… Read More →
Information Handling Requirements: Why Data Classification Alone Is Like Locking Your Front Door but Leaving the Windows Open
Analogies: A luggage tag without airport security. A medicine bottle without dosage instructions. A traffic signal that everyone ignores. Why It’s Needed (Context) Many organizations invest significant time classifying information as Public, Internal, Confidential, or Restricted. They create labels, implement data classification policies, and even automate tagging. Yet breaches still happen. Why? Because information handling… Read More →
Artificial Intelligence Explained Simply (AI-901 Guide with Real-World Examples)
Why Artificial Intelligence Matters More Than Ever Imagine trying to write a rule for every possible phishing email ever created. Or defining every combination of pixels that could represent a cat in a photograph. It quickly becomes impossible. That’s where Artificial Intelligence (AI) changes the game. Instead of relying on thousands of hand-crafted instructions, AI… Read More →
Information and Asset Classification Explained: CISSP Domain 2 Asset Security Guide
Why It’s Needed (Context) Imagine an airport where every passenger receives the same security screening. A tourist flying domestically gets treated exactly like a diplomat carrying sensitive government documents. Sounds inefficient. Now imagine a library where every book is locked inside a vault. Or a company where every file is encrypted, monitored, and restricted as… Read More →
Information Ownership and Asset Management in CISSP Domain 2.3
Information Ownership, Asset Inventory, and Asset Management: Why Securing a Company Is Like Running a Library, an Airport, and a Bank Vault Why It’s Needed (Context) Imagine trying to protect a bank vault without knowing where the vault is. Or running an airport without knowing which aircraft belong to you. Or managing a library where… Read More →
