Khrystyna Eruotor

- Participated in Capture The Flag (CTF) events and online platforms like Hack The Box and TryHackMe, honing practical skills in exploitation.
- Assisted senior analysts in monitoring network traffic and analyzing logs to identify security threats.
- Gained experience in developing simple Python scripts to automate vulnerability assessment tasks.
- Performed penetration tests on various applications, documenting findings and suggesting remediation strategies.
- Engaged in security testing using tools such as Burp Suite and Nmap, gaining hands-on experience in vulnerability scanning.
- Developed reports detailing security weaknesses and participated in team meetings to discuss improvement plans.

• Managed and monitored Microsoft Defender and Azure Sentinel for threat detection, response, and automated remediation, enhancing incident response efficiency by 30%.
• Configured and administered Palo Alto firewalls to secure the company’s perimeter, minimizing external threats and reducing attack surface by 20%.
• Leveraged Exabeam for log analysis, user behavior monitoring, and threat intelligence integration, improving anomaly detection accuracy.
• Deployed CrowdStrike Falcon for endpoint protection, actively detecting and mitigating malware, ransomware, and insider threats.
• Utilized Proofpoint to implement advanced email security protocols, successfully reducing phishing-related incidents by 35%.
• Conducted regular vulnerability assessments with Tenable, identifying and remediating critical vulnerabilities within 48 hours of discovery.
• Participated in security audits and risk assessments, ensuring compliance with industry standards and regulatory requirements.

Relocation due to a war in Ukraine

• Assisted in daily security operations, focusing on Microsoft Security technologies, Exabeam, and Palo Alto to ensure a robust security posture.
• Monitored and triaged alerts using CrowdStrike Falcon, investigating potential threats and providing remediation recommendations.
• Supported email security with Proofpoint, reducing the frequency of successful phishing attempts.
• Conducted vulnerability scans using Tenable and worked closely with IT teams to prioritize and patch critical security risks.
• Collaborated on implementing cloud security strategies for the organization’s Azure infrastructure, reducing cloud security incidents by 25%.