CHARLES JEREMIAH NOSA

Executed comprehensive vulnerability assessments and network traffic analysis to identify security weaknesses and support incident detection.

• Executed comprehensive Nmap scans for host discovery and OS detection, identifying active devices and open ports across local networks.
• Conducted detailed vulnerability scans using Nmap scripts, documenting findings with specific CVE identifiers to inform remediation efforts.
• Analyzed network traffic with Wireshark, identifying unusual activities and patterns to support threat detection and incident response.
• Developed network topology maps using Zenmap, visually representing network layouts and port configurations to facilitate security analysis and planning.
• Troubleshot and resolved technical issues during tool installations and scans in virtualized environments, ensuring operational efficiency and data accuracy.

Conducted in-depth research and analysis of network threats while configuring secure network environments to understand practical security applications.

• Conducted in-depth research on emerging network threats, including viruses, worms, trojans, and phishing attacks, to enhance threat intelligence and inform defensive strategies.
• Configured a simulated network environment, including routers and connected devices, to apply practical security controls and understand system vulnerabilities.
• Enabled and optimized Windows Defender Firewall configurations, proactively blocking unauthorized access and enhancing network safety.
• Developed and articulated key network security practices, contributing to improved cybersecurity awareness among stakeholders.

Performed vulnerability assessments and network traffic analysis to identify suspicious activity and support incident triage.

• Conducted vulnerability assessments utilizing open-source tools (VirusTotal, AbuseIPDB, Hybrid Analysis) to identify and document suspicious activities for efficient incident triage.
• Analyzed network traffic using Wireshark, monitoring data flow to detect anomalies and potential security breaches.
• Executed targeted port scanning exercises with Nmap, identifying open ports and potential entry points for security vulnerabilities.

Supported cost management and financial analysis for projects, contributing to efficient resource allocation and budgetary control.

Educated diverse audiences on critical online safety practices and threat recognition to enhance digital security awareness.

• Delivered comprehensive presentations on online safety and digital information protection to diverse audiences, enhancing public awareness.
• Educated participants on best practices for creating and managing strong, secure passwords, significantly improving personal data safeguarding.
• Trained individuals to identify and mitigate phishing attacks by recognizing suspicious links and email patterns, reducing potential security risks.
• Demonstrated effective tools and techniques for scanning links and ensuring safe browsing practices, empowering users with practical cybersecurity skills.