ESEthan Stubblefield

Cybersecurity · Penetration Testing · Offensive Security

Ethan Stubblefield

Security practitioner building toward offensive security, with hands-on work in penetration testing, web application security, and the defensive side that catches attacks.

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Selected work

Featured projects

Independent assessments, investigations and tools, each documented as a case study.

First case study in progressIndependent labs and investigations will be published here as they're completed. See the activity log → for current work.

Activity

Recently

Full log →
  1. MilestoneIndependent
    Launched this portfolio

Toolkit

Technical skills

Networking
  • TCP/IP
  • DNS
  • HTTP/S
  • Routing & Subnetting
  • Wireshark
Systems
  • Linux
  • Windows
  • Active Directory
  • PowerShell
  • Bash
Offensive
  • Nmap
  • Burp Suite
  • Enumeration
  • Privilege Escalation
Defensive
  • SIEM
  • Windows Event Logs
  • MITRE ATT&CK
  • Incident Triage
Automation
  • Python
  • Bash
  • PowerShell

Credentials

Certification path

Structured training that supports the work above, from fundamentals toward OSCE³.

Details →
  1. Google Cybersecurity
    Coursera
    EarnedSep 2025
  2. Security+
    CompTIA
    In progressTarget 2026
  3. Network+
    CompTIA
    PlannedTarget 2026
  4. SAL1
    TryHackMe
    PlannedTarget 2026
  5. PT1
    TryHackMe
    PlannedTarget 2027
  6. OSCP+
    OffSec
    PlannedTarget 2027

Get in touch

Let's talk security.

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