Keagan Cook

Enthusiastic Junior Cybersecurity Analyst with hands-on experience in SIEM implementation, vulnerability assessment, and log analysis. Proficient in leveraging tools like Wireshark, Nmap, Wazuh, and Suricata to identify and mitigate security threats. Passionate about securing systems and networks while continuously learning advanced cybersecurity techniques.

SIEM Implementation for Threat Monitoring (2024)

• Set up and configured an ELK Stack to aggregate and analyze system logs
• Integrated Suricata with port mirroring as an intrusion prevention system (IPS) to analyze network traffic and generate custom active responses for suspicious activity.

Nextcloud File Server Deployment (2020)

• Deployed a secure Nextcloud instance with end-to-end encryption
• Implemented multi-factor authentication and SSL for secure file sharing

Network-Wide Ad Blocking with Pi-Hole DNS Server (2020)

• Deployed and configured Pi-Hole on a Raspberry Pi to act as a DNS sinkhole, blocking ads and tracking across all devices in a network
• Monitored and analyzed DNS queries to identify unusual or suspicious activity, improving network visibility

Penetration Testing Practice on Hack The Box (ongoing)

• Conducted hands-on penetration testing exercises on vulnerable virtual machines in a controlled environment.
• Exploited web application vulnerabilities, privilege escalation flaws, and misconfigured systems to gain root access.
• Leveraged tools such as Burp Suite, Metasploit, and Nmap to perform reconnaissance and exploitation.
• Documented findings and recommended mitigation strategies for vulnerabilities such as SQL injection and weak access controls.
• Continuously improved skills in ethical hacking, network security, and report writing by solving challenges of varying difficulty levels.

CompTIA Security+