John Ha

Background

About John Ha

Aspiring Cybersecurity Professional | Security Operations | Threat Detection Passionate about cybersecurity with hands-on experience in threat detection, security monitoring, and incident response. I’ve built homelabs for vulnerability testing, deployed phishing simulations, and worked with tools like Splunk, Security Onion, and Azure Sentinel. In my career, I improved cybersecurity awareness, reduced escalated cases by 20%, and increased customer retention by 30% by advising on security best practices. Skills & Tools: SIEM & Threat Detection: Azure Sentinel, Splunk, MITRE ATT & CK Security Tools: Pfsense, Security Onion, Firewalls Cloud Security: Azure Security Monitoring, KQL Development: Python, JavaScript, Git Projects: Phishing Awareness: Simulated attacks to train users Cybersecurity Lab: Designed a virtual network for threat detection Azure Security: Created custom detection rules in Sentinel Seeking opportunities in cybersecurity. Let’s connect!