Ayaka Funakoshi

Ayaka Funakoshi currently serves as a Security Operations Center (SOC) Analyst at Recruit Co., Ltd., where she plays a vital role in safeguarding the company's diverse web services through advanced security monitoring and incident response. Her expertise encompasses deploying and managing security infrastructure such as Web Application Firewalls (WAFs), Intrusion Detection Systems (IDSs), and packet capture devices, ensuring real-time detection and mitigation of cyber threats. As a dedicated member of Recruit’s CSIRT team, Ayaka actively participates in proactive threat intelligence gathering, incident analysis, and coordinated response efforts to address emerging security challenges.

One of her notable contributions includes researching and analyzing website defacements, with a particular focus on SEO poisoning attacks. Her insightful blog post on SEO poisoning attacks highlights her deep understanding of web-based threats and the importance of comprehensive defense strategies. Her technical skills extend to utilizing tools like Splunk for log analysis and security information and event management (SIEM), as well as leveraging data analysis with Microsoft Excel to identify patterns and anomalies indicative of cyber attacks. Additionally, her proficiency in digital forensics and behavioral analysis enhances her ability to investigate complex security incidents.

Ayaka’s role involves continuous research into evolving cyber threats, developing effective countermeasures, and educating teams on best practices for web security. Her expertise in information technology, combined with her analytical mindset and logical thinking, makes her a valuable asset in maintaining the integrity and security of Recruit’s digital assets. Through her ongoing efforts, she contributes significantly to strengthening the company's cybersecurity posture in an increasingly hostile cyber landscape.