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ryanrios-cyber/README.md

Hi, I'm Ryan Rios 👋

IT Systems Support Specialist with a cybersecurity focus, experienced in troubleshooting network-connected systems, analyzing logs, and investigating system and network anomalies.

Hands-on experience with SIEM (Splunk), Windows environments, and network analysis through real-world lab simulations focused on threat detection and incident investigation.

Currently pursuing IT Support / Systems Support / SOC Analyst opportunities to apply and expand real-world technical and security experience.

🔐 Cybersecurity & IT Lab Projects

  • 🛑 System Log Analysis & Brute Force Detection (Splunk SIEM)

    • Analyzed Windows authentication logs to identify abnormal login behavior and system anomalies
    • Used Splunk to search, filter, and troubleshoot authentication-related issues
    • Identified suspicious activity and patterns impacting system access
    • Strengthened skills in log analysis, system monitoring, and issue investigation

  • 🌐 Network Traffic Analysis & Troubleshooting Lab

    • Captured and analyzed network traffic using Wireshark to identify connectivity issues and anomalies
    • Identified protocols such as TCP, DNS, and HTTP
    • Investigated traffic patterns to detect abnormal behavior and potential system issues
    • Applied packet filtering and analysis techniques for troubleshooting and investigation

  • 📊 System Monitoring & Log Analysis – Splunk Enterprise

    • Utilized Splunk Enterprise to monitor and analyze system and network events
    • Created queries to identify unusual system behavior and performance issues
    • Correlated logs to investigate and troubleshoot system irregularities
    • Gained hands-on experience with system monitoring and alert analysis

  • 🖥️ Windows System Monitoring & Incident Investigation Lab

    • Investigated Windows Server logs to identify abnormal system activity and access issues
    • Analyzed Event Viewer logs for failed logins and account lockouts
    • Identified behavior consistent with unauthorized access attempts
    • Practiced system analysis, troubleshooting, and incident investigation techniques

🛠️ Core Skills

  • IT Support & Systems: Windows, Linux, Active Directory, User Access, Troubleshooting
  • Networking: TCP/IP, DNS, DHCP, VPN, NAT, Wireshark, tcpdump
  • Security Operations: SIEM (Splunk), Log Analysis, Alert Triage, Incident Investigation
  • Infrastructure: VMware, System Hardening, Firewall Configuration

📜 Certifications

  • CompTIA CySA+
  • CompTIA Security+
  • CompTIA Network+
  • CompTIA A+
  • CompTIA ITF+

🎯 Current Focus

  • Strengthening hands-on experience in system troubleshooting and incident investigation
  • Expanding SIEM and log analysis capabilities
  • Building real-world IT support and security-focused scenarios
  • Actively pursuing IT Support, Systems Support, and SOC Analyst opportunities

🤝 Connect with Me

Popular repositories Loading

  1. ryanrios-cyber ryanrios-cyber Public

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  2. soc-analyst-lab soc-analyst-lab Public

    Hands-on SOC analyst lab simulating detection, analysis, and incident response using SIEM tools

  3. brute-force-detection-splunk brute-force-detection-splunk Public

    Brute force attack detection lab using Splunk SIEM and Windows Event Logs (EventCode 4625)

  4. network-traffic-analysis-lab network-traffic-analysis-lab Public

    Network traffic analysis lab using Wireshark to detect suspicious activity, analyze packets, and identify potential threats in a controlled environment

  5. windows-server-attack-detection-lab windows-server-attack-detection-lab Public

    Hands-on Windows Server security lab analyzing attack activity and performing incident investigation using system logs and security tools

  6. threat-intelligence-ioc-analysis-lab threat-intelligence-ioc-analysis-lab Public

    Threat intelligence lab analyzing IPs, domains, and file hashes to identify malicious indicators using OSINT tools