CHARLES JEREMIAH NOSA

Entry-Level Cybersecurity Analyst
Lagos, NG.

About

Proactive Entry-Level Cybersecurity Analyst with hands-on experience in vulnerability assessment, network traffic analysis, and threat detection. Proficient in industry-standard tools including Wireshark, Nmap, Metasploit, and Burp Suite. Currently advancing expertise through a Diploma in Cybersecurity, demonstrating a strong commitment to securing digital environments and contributing to robust security operations.

Work

Centre for Cybersecurity Studies & Research
|

Cybersecurity Intern

India

Summary

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

Highlights

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.

The Red User
|

Cybersecurity Analyst Intern

Aligarh Uttar Pradesh, India

Summary

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

Highlights

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.

Hagital Consulting
|

Cybersecurity Analyst Intern

Lagos, Lagos, Nigeria

Summary

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

Highlights

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.

HOS Consult Limited
|

Cost Consultant Intern

Lagos, Lagos, Nigeria

Summary

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

Volunteer

HOS Consult Limited
|

Cybersecurity Analyst

Lagos, Lagos, Nigeria

Summary

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

Highlights

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.

Education

Alt School Africa
Lagos, Lagos, Nigeria

Diploma

Cybersecurity

Yaba College of Technology
Lagos, Lagos, Nigeria

Higher National Diploma (HND)

Quantity Surveying

Yaba College of Technology
Lagos, Lagos, Nigeria

National Diploma (ND)

Quantity Surveying

Certificates

Introduction to Cybersecurity

Issued By

Cisco

ISO 27001 Foundation - Information Security

Issued By

Sandbp

ISO 31000:2018 Risk Management

Issued By

Sandbp

Cybersecurity Attacks and Defense Fundamentals

Issued By

EC-Council

Inspiring a Safe and Secure Cyber World

Issued By

(ISC)2

Privacyops

Issued By

Securiti

Foundation of Threat Hunting

Issued By

Purple Academy by Picus

Cybersecurity Experts Association on Nigeria (CSEAN) Affiliate Member

Issued By

Cybersecurity Experts Association on Nigeria (CSEAN)

Skills

Cybersecurity Tools

Kali Linux, Metasploit, Nmap, Wireshark, Cisco Packet Tracer, Burpsuite, Excel, Nikto, Netcat, Zenmap.

Cybersecurity Competencies

Vulnerability Assessment, Cybersecurity Awareness & Training, Threat Monitoring & Incident Detection, Network Traffic Analysis, Reconnaissance, OS Detection, Vulnerability Scanning, Port Scanning, Network Topology Mapping, Linux Command-line Operations, Troubleshooting, Firewall Configuration.

Professional Skills

Strong Communication, Problem-Solving, Analytical Abilities, Critical Thinking, Collaboration, Time Management, Adaptability, Leadership.