Nektarios Karavasilis
Thessaloniki, Greece
Nektarios Karavasilis
Cybersecurity Analyst
Category : Cybersecurity
I am a Cybersecurity Analyst with over 8 years of professional experience in high-pressure operational environments, specializing in vulnerability assessment and the hardening of critical infrastructure. I help businesses secure their digital assets by combining proactive security audits with robust, systemic hardening solutions.
My core technical expertise includes:
Web & CMS Security: Specialized hardening for WordPress and custom web applications. I conduct thorough security audits to identify and eliminate vulnerabilities and protect against common attack vectors.
Vulnerability Assessments: Proficiency in industry-standard tools (Nmap, Nikto, Gobuster, Kali Linux) to identify, prioritize, and mitigate infrastructure vulnerabilities.
Wazuh SIEM & Monitoring: Expert deployment and management of Wazuh for 24/7 real-time monitoring, log analysis, and proactive threat hunting.
System Hardening: Implementation of rigorous security configurations to minimize the attack surface and prevent unauthorized access.
Why work with me:
I do not just identify problems; I provide comprehensive, actionable remediation strategies that fortify your infrastructure without compromising your operational workflow. Whether you require a detailed web audit or the implementation of a reliable, ongoing monitoring system, I am here to ensure your digital environment remains resilient.
Let's discuss how I can strengthen your security posture
My core technical expertise includes:
Web & CMS Security: Specialized hardening for WordPress and custom web applications. I conduct thorough security audits to identify and eliminate vulnerabilities and protect against common attack vectors.
Vulnerability Assessments: Proficiency in industry-standard tools (Nmap, Nikto, Gobuster, Kali Linux) to identify, prioritize, and mitigate infrastructure vulnerabilities.
Wazuh SIEM & Monitoring: Expert deployment and management of Wazuh for 24/7 real-time monitoring, log analysis, and proactive threat hunting.
System Hardening: Implementation of rigorous security configurations to minimize the attack surface and prevent unauthorized access.
Why work with me:
I do not just identify problems; I provide comprehensive, actionable remediation strategies that fortify your infrastructure without compromising your operational workflow. Whether you require a detailed web audit or the implementation of a reliable, ongoing monitoring system, I am here to ensure your digital environment remains resilient.
Let's discuss how I can strengthen your security posture
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
- Developed and executed a comprehensive security audit and hardening strategy for a production web infrastructure using the OWASP methodology. Key Activities: 1.Performed directory brute-forcing and ...
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