Summary
Grace Okonkwo is a results-driven Cyber Security Analyst with 6 years of experience specializing in threat detection, incident response, and vulnerability management within dynamic technology environments. She excels at fortifying organizational security postures, mitigating risks, and implementing robust security solutions to safeguard critical assets. Proven ability to lead complex security incidents from identification to resolution, improving overall resilience against cyber threats.
Experience
Senior Cyber Security AnalystSalesforce
- Led incident response efforts for over 50 critical security incidents, reducing average resolution time by 25% for high-severity alerts.
- Developed and implemented automated threat hunting playbooks using Python, improving early detection capabilities by 30% for persistent threats.
- Managed vulnerability management program across 1,000+ production servers, reducing critical vulnerabilities by 40% within 18 months.
- Contributed to the design and implementation of new SIEM rules in Splunk, enhancing alert fidelity by 20% and reducing false positives by 15%.
Cyber Security AnalystCisco
- Monitored and analyzed security events from various sources (SIEM, EDR, IDS/IPS) for a global network of 50,000+ endpoints.
- Participated in over 200 security investigations, successfully identifying and containing threats before major impact to critical business operations.
- Contributed to daily threat intelligence briefings, informing strategic security decisions for a team of 15 analysts and senior management.
- Improved security incident reporting efficiency by 15% through standardization of incident documentation and post-incident review processes.
Projects
Automated Phishing Email Analyzer
- Developed a Python script to automatically parse email headers and body content, identifying common phishing indicators.
- Integrated with VirusTotal API to scan suspicious URLs and attachments, providing a risk score and detailed report.
- Reduced manual analysis time for suspicious emails by approximately 70%, allowing for faster threat mitigation.
Home Network Security Lab
- Configured a virtualized home lab environment with pfSense firewall, Suricata IDS, and a Kali Linux VM for penetration testing practice.
- Deployed a Splunk Free instance to collect and analyze logs from various network devices, simulating a small-scale SOC environment.
- Practiced incident response scenarios by injecting malware and observing network anomalies, enhancing practical skills in detection and containment.
Education
University of California, BerkeleyMaster of Science in Cybersecurity
- Completed capstone project on AI-driven anomaly detection in network traffic, achieving 95% accuracy in identifying malicious patterns.
- Member of the Cybersecurity Student Association, coordinating monthly workshops on emerging threats and security best practices.
Georgia Institute of TechnologyBachelor of Science in Computer Science
- Graduated Magna Cum Laude with a GPA of 3.8/4.0.
- Developed a secure file encryption system for final year project, earning top departmental honors and demonstrating strong cryptographic understanding.
Skills
Security Tools
Splunk ESQRadarWiresharkNmapNessusCrowdStrike FalconPalo Alto Firewalls
Threat Intelligence & Analysis
SIEM MonitoringEDRIDS/IPSMalware AnalysisThreat HuntingVulnerability ManagementMITRE ATT&CK
Incident Response
Incident HandlingDigital ForensicsRoot Cause AnalysisSecurity PlaybooksAlert TriagePost-Incident Review
Cloud Security
AWS Security HubAzure Security CenterIAMSecurity GroupsWAFCompliance as Code
Scripting & Automation
PythonPowerShellBashSOAR PlatformsAPI Integration