TryHackMe Advent of Cyber 2024 Day 1 Write-Up

Explore a seemingly harmless YouTube-to-MP3 converter that actually hides a malicious PowerShell script designed to steal cryptocurrency wallets and credentials.

Changing Password Policies on Windows Server

Published on January 11, 2022

Enhance your network's security by implementing strong password policies on Windows Server. Learn how to configure these settings effectively.

Understanding Computer Architecture Components: ISA, Microarchitecture, and System Architecture

Published on May 2, 2022

Explore the three fundamental components of computer architecture—Instruction Set Architecture, Microarchitecture, and System Architecture—and understand how they interrelate to enable efficient computing.

Understanding Moore's Law and Its Impact on Computer Architecture

Published on May 2, 2022

Explore how Moore's Law has driven the evolution of computer architecture, leading to more functional units, cores, larger caches, and complex management units.

The Rise and Fall of Dennard Scaling

Published on May 2, 2022

Explore how Dennard Scaling influenced processor performance, its eventual decline, and the rise of GPUs in modern computing architecture.

Theoretical Computer Architectures: Von Neumann vs Harvard

Published on May 2, 2022

Discover the key differences between Von Neumann and Harvard architectures and how they influenced modern computing systems.

What is Pipelining?

Published on May 3, 2022

Discover how pipelining enables faster instruction execution in processors, along with solutions to hazards like structural, data, and control conflicts.

What are BIOS and UEFI?

Published on August 15, 2022

Learn the differences between BIOS and UEFI, their role in system boot processes, and techniques like Secure Boot and Full-Disk Encryption for better security.

Cryptography and the CIA Triad

Published on October 20, 2023

Explore how cryptography enforces Confidentiality, Integrity, and Availability (CIA) while ensuring secure authentication and nonrepudiation.

What is Instruction Set Architecture (ISA)?

Published on May 2, 2022

Discover the fundamentals of ISA, its syntax, addressing modes, and its role as a critical bridge between hardware and software.

Computer Arithmetic

Published on May 3, 2022

A brief overview of computer arithmetic, covering binary numbers, two's complement, floating-point encoding, and logic gates.

What is Cache?

Published on May 3, 2022

An overview of cache memory, its role in improving system performance, cache levels, and key policies.