Security operations.
Purposeful protection.

Sotith Sim / Security operations & threat analysis

I detect threats, analyze vulnerabilities, and build tools that make systems more secure.

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GitHub Projects
16
Years Leadership
20
Tools Built
8+
Status
ACTIVE
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ANALYST TERMINAL
█

PROJECTS

TOOL

Password Strength Checker

Analyzes passwords for strength based on length, complexity, and character variety.

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TOOL

Phishing Email Detector

Scans emails for phishing red flags including urgent language and suspicious domains.

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TOOL

Login Attempt Monitor

Detects brute force attacks by tracking failed logins and locking accounts.

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TOOL

File Integrity Checker

Detects file tampering using SHA-256 cryptographic hashing.

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TOOL

Port Scanner

Scans a host for open ports and identifies running services.

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TOOL

Caesar Cipher

Encrypts and decrypts messages using classic Caesar Cipher technique.

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AUTOMATION

System Health Checker

Scans CPU, memory, disk usage, and running processes. Alerts when thresholds are exceeded.

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AUTOMATION

Automated Log Cleaner

Scans folders and deletes files older than a specified number of days to free up storage.

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AUTOMATION

Network Speed Logger

Tests internet download speed and logs results with timestamps for performance monitoring.

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TOOL

IP Address Lookup

Looks up location, ISP, and threat indicators for any IP address. Used in SOC investigations.

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TOOL

Vulnerability Scanner

Scans a target host for open ports, missing HTTP security headers, and SSL certificate issues.

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GRC

NIST CSF Checklist

Walks through all five NIST Cybersecurity Framework functions and generates a scored compliance report.

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GRC

HIPAA Compliance Checker

Assesses an organization against HIPAA Security Rule requirements and generates a compliance gap report.

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GRC

Risk Assessment Tool

Evaluates cybersecurity risk across five categories using weighted scoring and generates a prioritized remediation report.

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IR

Incident Response Playbook

Guides a SOC analyst through phishing, ransomware, and unauthorized access incidents using the NIST SP 800-61 framework.

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CERTIFICATIONS

CompTIA
Security+
✓ Certified
CompTIA
Linux+
✓ Certified
Splunk
Certified User
✓ Certified
ISC2
Certified in Cybersecurity (CC)
✓ Certified

TRYHACKME PROGRESS

⚔
sotithsim4
Active Learner • Joined Jun 2026 • Updated Oct 26, 2026
View Profile
14
Rooms Completed
32
Capability Score
5
Highest Streak (Days)
Silver
League (Top 40%)
2
Badges
15
Questions Answered
COMPLETED ROOMS (14)
✓ Tutorial
✓ Virtualisation Basics
✓ Cloud Computing Fundamentals
✓ Client-Server Basics
✓ Inside a Computer System
✓ Offensive Security Intro
✓ Computer Types
✓ Defensive Security Intro
✓ Careers in Cyber
✓ Operating System Security
✓ Operating Systems: Introduction
✓ Linux CLI Basics
✓ Windows Basics
✓ Windows CLI Basics
BADGES
✓ 3 Day Streak
✓ First Mobile Quiz
LEARNING PATH CERTIFICATES
None yet. Still early in the journey, one room at a time.

SECURITY STACK

LanguagesPython
ConceptsEncryption • Brute Force Detection • Phishing Analysis • File Integrity
ToolsGit • GitHub • VS Code
Background20 Years U.S. Army

ABOUT ME

🔒 Active Secret Security Clearance

Mission-driven Cybersecurity Professional and US Army Veteran with 20 years of experience in technical leadership and infrastructure protection. Specialized in vulnerability analysis, threat detection, and network security with a proven track record of safeguarding critical systems.

During my Army career I managed cybersecurity and compliance protocols for government-issued IT systems, maintained 200+ mission-critical communication systems, and led teams across Germany, South Korea, Boston, and the Asia Pacific region, enforcing DoD, HIPAA, and NIST standards while protecting classified and unclassified networks.

I build hands-on cybersecurity tools in Python, hold four industry certifications, and am actively seeking roles in cybersecurity where I can protect people, systems, and data.

US Army Veteran 20 Years Leadership Secret Clearance DoD / HIPAA / NIST Python Linux Splunk

CONTACT

Open to cybersecurity roles. Reach out on GitHub.

GitHub Profile TryHackMe Profile