Hi, I'm Francis Olorunfemi Jacob

Blue Team Cybersecurity Analyst | Log Analysis | SIEM | Network Forensics

Francis Olorunfemi Jacob - Blue Team Cybersecurity Analyst

About Me

I’m Francis Olorunfemi Jacob, an entry‑level Blue Team Cybersecurity Analyst specializing in log analysis, intrusion detection, and network traffic monitoring.

I have experience with tools like Windows Event Logs, Wireshark, Splunk, and a range of Linux security tools for threat detection and investigation. My goal is to help defend digital environments and educate people about online safety by creating practical, actionable cybersecurity content every week.

Skills & Tools

A selection of my hands-on technical skills developed through projects, training, and labs.

  • ✅ Windows Event Log & Sysmon Analysis
  • ✅ Network Traffic Capture & PCAP Analysis (Wireshark)
  • ✅ SIEM Tooling with Splunk (SPL queries, dashboards)
  • ✅ Linux Log Inspection & File Integrity (Ubuntu, Kali)
  • ✅ Cisco Packet Tracer: VLAN, Inter-VLAN Routing
  • ✅ VirtualBox & Lab Simulation
  • ✅ PowerShell Activity Tracing
  • ✅ AuditD & AIDE for Linux Security
  • ✅ Blue Team Detection Techniques

Projects

Highlighted practical projects demonstrating log analysis, packet inspection, Linux forensics, and SIEM correlation.

Linux Cybersecurity Projects

Analyzed system logs on Ubuntu/Kali, configured auditd, deployed AIDE for file integrity monitoring, and simulated detection in isolated VMs.

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Windows Log Analysis

Used Event Viewer and Sysmon to investigate user login behavior, PowerShell execution, and account persistence across various lab scenarios.

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Wireshark Network Analysis

Captured and interpreted PCAPs to detect SYN scans, data exfiltration, malformed DNS, and credential leaks using filters and TCP stream reassembly.

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Splunk Log Analysis

Utilized Splunk’s SPL to visualize system activity, correlate login attempts, monitor endpoint behavior, and build dashboards for alerting.

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Cisco Packet Tracer Projects

Simulated enterprise networks with switches and routers; implemented VLANs, trunking, and inter-VLAN routing to mimic SOC network structures.

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Contact

Email

femijay123@gmail.com

LinkedIn

francis-olorunfemi-jacob