Infrastructure and Systems

REPORT – Linux Admin: Network Routing Fundamentals – v1.0.0

Technical implementation of host-based network routing, including gateway configuration and communication restrictions.

REPORT – Linux Admin: LVM Partition Expansion – v1.0.0

Technical implementation of live LVM logical volume expansion and filesystem synchronization.

REPORT – Linux Admin: Partitioning and Filesystem Lifecycle Workflow – v1.0.0

Technical implementation of disk partitioning and non-destructive filesystem expansion.

SUMMARY – Sudoers Privilege Escalation and NOPASSWD Implementation – v1.0.0

Technical implementation of granular privilege escalation and passwordless execution within the Linux sudoers framework.

SUMMARY – Persistent Terminal Management with Tmux – v1.0.0

Technical implementation of persistent terminal session management using Tmux to support multi-tasking and continuous terminal workflows in Linux.

SUMMARY – Linux System Resources Monitoring (CPU & Memory) – v1.0.0

Technical implementation of Linux system resource monitoring using native command-line utilities to analyze CPU, memory, and swap usage.

SUMMARY – USB Passthrough Instability in VirtualBox (Kali Linux) – v1.0.0

Analysis of USB I/O failures during virtualization, with secure Linux filesystem configuration and execution control.

SUMMARY – Hardware Integrity Investigation: 2TB USB I/O Failure – v1.0.0

Forensic investigation into a persistent I/O failure of a 2TB USB storage device, isolating hardware controller degradation from software-level drivers.

SUMMARY – Operating System Fundamentals and System Operations – v1.0.0

Technical analysis of core operating system components, focusing on kernel operations, memory management, and system interaction.

SUMMARY – BIOS, UEFI, and System Boot Architecture – v1.0.0

Overview of how a computer starts from power on, including firmware execution, hardware checks, boot sequence, and operating system loading.

SUMMARY – Computer Hardware and Power Infrastructure – v1.0.0

Overview of computer hardware components, focusing on motherboard communication, power supply safety, and connector usage.

SUMMARY – Storage Systems and Data Management – v1.0.0

Technical analysis of storage systems, data size standards, and backup methods to keep data safe and available.

SUMMARY – Memory Architecture and RAM Technologies – v1.0.0

Simple analysis of how RAM works, including DRAM basics, DDR evolution, and how memory affects system performance.

REPORT – Binary Systems, Data Representation and Logic Gates – v1.0.0

Explains how computers use binary, character encoding, and logic gates to process and display data.

REPORT – Windows Disk Management with CHKDSK and FSUTIL – v1.0.0

Using Windows tools to check disk health, fix errors, and keep data reliable.

REPORT – USB Storage Failure Analysis and Disk Validation – v1.0.0

Investigation of a hardware-level USB storage failure, distinguishing between logical filesystem issues and physical I/O failure.

REPORT – USB Filesystem Corruption Due to Improper Removal – v1.0.0

Investigation of a corrupted external USB device following improper removal, focusing on isolating logical filesystem failure from physical hardware damage.

REPORT – Restore USB Access on a Windows 10 VM – v1.1.0

Technical resolution of USB detection failures and volume locks within a virtualized environment, including filesystem repair and stable hardware filter configuration.

SUMMARY – Workstation Power Failure Investigation – v1.0.0

Investigation of sudden workstation shutdowns at a law firm, identifying and remediating a physical layer failure caused by insufficient power supply capacity.

SUMMARY – Enterprise Hybrid-Cloud Migration – v1.0.0

A practical troubleshooting case study on migrating VMware virtual machines to AWS EC2 and resolving kernel driver removal issues from the AWS Application Migration Service.

SUMMARY – vSphere 8 Nested Lab on AMD Ryzen 5 6600H – v1.0.1

A technical deep-dive into enabling nested virtualization on restricted AMD mobile platforms by bypassing OEM firmware locks and Windows 11 VBS.

SUMMARY – SAR Performance Monitoring on Ubuntu – v1.0.1

Implementation and analysis of system performance monitoring on Ubuntu using the System Activity Reporter (SAR) to identify resource bottlenecks and abnormal activity.

REPORT – Troubleshooting Remote Access and Network Isolation – v1.0.0

Resolution of connectivity and authentication issues between a macOS host and a Windows VM, involving Group Policy conflicts and dual-homed network design.

GUIDE – UTM Kali Linux Shared Folder Configuration – v1.0.0

Implementation of a persistent shared folder between macOS and Kali Linux using the 9p protocol within the UTM hypervisor.

REPORT – GPO Hardening for Windows Application Control – v1.0.0

Implementation of Group Policy restrictions to prevent unauthorized software installation and harden Windows endpoints against malicious downloads.

GUIDE – Cloud Infrastructure: Windows 10 VM Deployment (GCP) – v1.0.0

An independent lab demonstrating deployment of a Windows 10 virtual machine on Google Cloud Platform, showcasing cloud virtualization, secure configuration, and system administration skills.

GUIDE – Windows System Administration Labs (11 Modules) – v1.0.0

A collection of 11 hands-on labs designed to build Windows administration skills, covering maintenance, troubleshooting, security, and automation — all tested in an AWS-hosted Windows 10 VM.

REPORT – Windows Control Panel Administration – v1.0.0

Implementation of system maintenance and security settings using Windows Control Panel tools to improve stability and protect data.

GUIDE – Cybersecurity Virtualization Labs (VMware, WSL, GCP, AWS) – v1.0.0

Hands-on virtualization labs across VMware, WSL, GCP, and AWS are building foundational skills for offensive and defensive cybersecurity operations.

REPORT – Linux File Permissions Management – v1.0.2

Implementation of the Principle of Least Privilege (PoLP) by managing Linux file and directory permissions to protect sensitive data.

REPORT – Introduction to Computer Hardware and Processing – v1.0.0

Introduction to core computer hardware components and how they work together to process data and execute programs.

Security Operations

SUMMARY – Linux Automation: ClamAV Security & System Maintenance – v1.0.0

Technical implementation of automated security scanning and system maintenance on Ubuntu Server using ClamAV and the Cron daemon.

SUMMARY – Troubleshooting pfSense DNS Resolution – v1.0.0

Resolution of DNS failures in a hardened pfSense environment by implementing controlled, explicit DNS access under a default-deny policy.

REPORT – USN Journal Analysis – v1.0.0

Analysis of the NTFS USN Journal for tracking file activity and building forensic timelines.

SUMMARY – Secure Linux Management with Cockpit – v1.0.1

Using Cockpit to manage and secure multiple Linux systems from a single web interface.

SUMMARY – Webmin Secure Administration (Dual-Homed) – v1.1.0

Securing a dual-homed Webmin administration server through PAM-based authentication, interface mapping, and IP-based firewall hardening.

SUMMARY – pfSense IDS Traffic Monitoring and EternalBlue Detection – v1.0.0

Deployment of a pfSense firewall with Snort IDS to detect and analyze EternalBlue (MS17-010) exploitation in a lab environment.

REPORT – WinRM Secure Configuration and Validation – v1.0.0

Implementation and validation of secure Windows Remote Management (WinRM) protocols to ensure encrypted administrative communication and prevent unauthorized access.

REPORT – SMB Hardening for Credential Theft Protection – v1.0.0

Implementation of SMB signing, protocol deprecation, and session limits to protect against credential theft and relay attacks.

SOP – System Hardening: Windows Defender GPO – v1.0.1

Implementation of an immutable endpoint security baseline using Local Group Policy to harden Windows Defender against unauthorized modification and malware.

SOP – Anonymous Access Restriction & Recon Hardening – v1.0.2

Implementation of Local Group Policy restrictions to prevent anonymous enumeration and null session reconnaissance against Windows endpoints.

REPORT – OS Patching Enforcement via Local GPO – v1.0.0

Implementation of automated operating system patching policies via Local Group Policy to balance system security with operational availability.

REPORT – Hardening Microsoft Edge via Local GPO – v1.0.0

Implementation of security-focused Group Policy configurations to harden Microsoft Edge against web-based threats, unauthorized extensions, and data exfiltration.

REPORT – Deploy Controlled Folder Access via Local GPO – v1.0.0

Implementation of Windows Defender Controlled Folder Access via Local Group Policy to mitigate unauthorized filesystem modifications and ransomware risks.

REPORT – Endpoint Security with Windows Registry – v1.0.0

Implementation of registry-level restrictions to disallow unauthorized executable runs and harden the Windows OS against common user-mode threats.

REPORT – Monitoring Windows Processes with Procmon – v1.0.1

Utilization of Process Monitor (Procmon) to capture, filter, and analyze real-time system events for security auditing and process behavior validation.

SUMMARY – GVM Deployment and Hardening on ARM64 Kali Linux – v1.1.0

Deployment and stabilization of Greenbone Vulnerability Management (GVM) on ARM64, focusing on source builds and resource tuning for reliable vulnerability scanning.

REPORT – Forced Browsing Data Breach – v1.1.0

Post-incident analysis of a forced browsing attack on an e-commerce platform that exposed 50,000 customer records.

REPORT – USB Security Risk Assessment – v1.2.1

Investigation of a discovered USB device to identify potential baiting threats, data leakage, and risks to corporate infrastructure.

REPORT – Post-Breach Security Recommendations – v1.0.1

Implementation of security hardening measures and recommendations following a major data breach to improve infrastructure integrity.

REPORT – Network Attack Analysis – v1.0.1

Analysis of a TCP SYN flood attack on a public web server, including identification and mitigation strategies.

REPORT – Botium Security Audit – v1.1.0

Security audit of Botium Toys’ systems to find vulnerabilities, check compliance, and improve overall security.

REPORT – Server Security Evaluation – v1.2.0

Evaluation of a vulnerability in a publicly accessible server, focusing on risk assessment and remediation strategies.

REPORT – SQL Query Analysis Incident – v1.0.2

Use of SQL queries to investigate failed login attempts, geographic anomalies, and access patterns for security auditing.

Identity Security

SUMMARY – IAM: Active Directory Disaster Recovery & Identity Restoration – v1.0.0

Successful restoration of an Active Directory environment using Bare-Metal Recovery (BMR) and System State restoration on Windows Server 2016.

REPORT – Hardening Windows User Rights via Local Group Policy – v1.0.0

Configured User Rights Assignment policies via Local Group Policy to enforce least privilege and secure Windows endpoints.

REPORT – Applying a Local GPO for Session Lock Enforcement – v1.0.0

Configured Local Group Policy to enforce automatic session locks, improving Windows endpoint security.

REPORT – Deploy Local GPO for Windows Security Policies – v1.0.0

Implementation of a comprehensive security baseline using Local Group Policy to harden Windows endpoints against common network and system-level exploits.

SOP – Password & Account Lockout GPO Hardening – v1.0.1

Implementation of mandatory password complexity and account lockout policies via Local Group Policy to defend against brute-force attacks and credential compromise.

REPORT – Hardening UAC via Local Group Policy – v1.0.0

Implementation of hardened User Account Control (UAC) settings via Local Group Policy to mitigate unauthorized privilege escalation and credential spoofing.

REPORT – Hardening Credential Entry Using Group Policy – v1.0.0

Implementation of Secure Desktop and logon restrictions via Local Group Policy to reduce the risk of credential theft and keylogging attacks.

SUMMARY – Password Managers – v1.0.0

Implementation of structured password management strategies to improve credential hygiene and reduce the risk of account compromise.

REPORT – File Ownership Recovery – v1.0.0

Investigation into Windows file ownership recovery methods, confirming NTFS as the authoritative source over the Registry for permission management.

Report – Securing Folder Access with Permissions – v1.0.1

Implementation of discretionary access controls (DAC) and Group Policy restrictions to secure sensitive data within a Windows environment.

REPORT – Kerberos Authentication Protocol – v1.0.0

Implementation of Kerberos authentication to improve identity verification, ticket-based security, and access control in enterprise environments.

REPORT – Investigation of Unauthorized Payroll Access Incident – v1.2.0

Investigation into unauthorized access to a payroll system using a former contractor account.

REPORT – Python Algorithm for Managing IP Access – v1.0.1

Development of a Python-based algorithm to automate IP allow list management for scalable access control enforcement.

Networking

SUMMARY – Cloud Infrastructure: AWS RDP Access Resolution – v1.0.0

Resolution of Remote Desktop Protocol (RDP) access failures on an AWS-hosted Windows instance through group membership and policy validation.

SUMMARY – pfSense Infrastructure Framework and Hardening – v1.0.0

Deployment of a secure network gateway using pfSense with network isolation, secure management access, and validated firewall controls.

SUMMARY – pfSense APIPA Failure – v1.0.0

Loss of pfSense WebGUI access caused by APIPA addressing on the client system, resolved through static IP reconfiguration and connectivity validation.

SUMMARY – Domain Controller NAT and Routing – v1.0.3

Setup of a Windows Server Domain Controller as a NAT gateway and DNS server, including troubleshooting an IP conflict and fixing network routing.

SUMMARY – OpenVPN Remote Access VPN Deployment and Validation – v1.0.0

Deployment and validation of an OpenVPN remote access solution to provide secure encrypted tunneling for remote clients over untrusted networks.

REPORT – Access Control Bypass & Network Stability – v1.0.0

Resolution of a multi-layered connection failure involving Domain GPO restrictions and virtual network instability in a macOS-UTM environment.

REPORT – IP Subnetting Fundamentals – v1.0.0

Implementation of structured IP subnetting to enable network segmentation, reducing the attack surface and improving access control.

REPORT – SMB Protocol: Function and Security Risks – v1.1.0

Analysis of the Server Message Block (SMB) protocol, its vulnerabilities, and security improvements for modern networks.

GUIDE – Hands-On Network Fundamentals (OSI, TCP/IP, VPNs) – v1.0.0

Hands-on labs covering OSI, TCP/IP, and VPN setup to build real-world networking and cybersecurity skills.

REPORT – Enterprise IPsec VPN Diagnostics – v1.0.0

Setup and validation of a site-to-site IPsec VPN to secure data between enterprise networks.

REPORT – DNS Analysis with dig – v1.0.1

DNS analysis using the dig tool to check resolver behavior, record types, and basic DNS security.

REPORT – DNS Outage and Port 53 Failure Analysis – v1.0.1

Investigation of a DNS service outage, focusing on UDP port 53 issues and ICMP error responses.

GRC

SUMMARY – Governance, Risk & Compliance: BYOD in Organizations: Security, Challenges, and Strategies – v1.0.0

Analysis of BYOD risks and the use of security controls to protect corporate data on personal devices.

SUMMARY – Governance, Risk & Compliance: Bank Risk Register Analysis – v1.0.0

Analysis of operational and technical risks for a coastal financial institution, prioritizing threats to customer data and business continuity.

SUMMARY – Governance, Risk & Compliance: Least Privilege (NIST SP 800-53 AC-6) – v1.0.0

Implementation of least privilege controls to reduce risk and limit unauthorized access in enterprise systems.

SUMMARY – Governance, Risk & Compliance: Risk Assessment (NIST SP 800-30 Rev. 1) – v1.0.0

Implementation of a structured risk assessment framework to identify, analyze, and prioritize organizational threats and vulnerabilities.

Operational Approach

SUMMARY – Prompt & Rubric Evaluation Exercises – v1.0.0

Analysis of prompts and rubrics to improve clarity, reduce ambiguity, and increase consistency in technical evaluations.

GUIDE – Cybersecurity Report Template Design – v1.0.0

Building a reusable cybersecurity report template was about clarity, consistency, and professional communication.

GUIDE – Hands-On Cybersecurity Progression (MICS to MSAF) – v1.0.0

MCSI labs provide scenario-based exercises that bridge IT fundamentals with advanced cybersecurity practices, building a portfolio of applied skills.

GUIDE – Entry-Level Cybersecurity Portfolio Development – v1.0.0

Hands-on experience is essential for cybersecurity newcomers. MCSI provides a structured, apprenticeship-style training to build applied skills and documentation expertise.

OSINT Investigation

SUMMARY – Geolocation and Image Verification Analysis – v1.0.0

Application of advanced reverse image search and visual analysis techniques to verify artifacts and geolocate global landmarks.

SUMMARY – OSINT Email Enumeration & Validation – v1.0.1

Execution of email reconnaissance and validation techniques to identify organizational naming conventions and verify active communication channels.

REPORT – Using Google Translate for OSINT – v1.1.0

Using translation tools to process and validate foreign-language data from multiple sources including articles, code, images, documents, and webpages.

Identity & Access Management

SUMMARY – Identity & Access Management: Access Control Incident Response – v1.0.0

Analysis of a data exposure incident caused by weak access controls and lack of enforced security policies.

Infrastructure Security

REPORT – Linux Admin: Squid Proxy Configuration & Authentication – v1.0.0

Technical implementation of a secure, authenticated Squid proxy server with domain-level web filtering.

Operational Resilience

SUMMARY – Backup and Restore Using Duplicati CLI – v1.0.1

Execution and validation of command-line based backup and recovery workflows using Duplicati to ensure data recoverability and integrity.