Karthik Ramanathan is a senior vice president of Digital Forensics and Incident Response in the Cyber Risk practice of Kroll, based in the Canberra office. Karthik has over 20 years of experience in the cyber security industry with a specialization in incident response, digital forensics, threat hunting and intrusion analysis. He also leverages over eight years of experience working for various Australian federal government departments in technical cyber security roles.

Before joining Kroll, Karthik was a managing consultant for a global cyber and managed security services provider leading their Digital Forensics and Incident Response team in the Asia Pacific region, assisting clients in responding to breaches and cyber security incidents. Before that, he was Senior Security Consultant, serving as a case lead on various incident response, digital forensics, data breach and threat hunting engagements. He has extensive experience supporting clients in different industries, including banking, telecommunications, energy, utilities and retail.

His key engagements include leading the investigation of numerous data breach incidents like ransomware attacks, malware infections, network compromises, O365 email compromises, CEO spear-phishing attacks and man-in-the-middle email frauds, employee misconduct, insider threat and electronic fraud. His other notable cases include an incident response investigation for a ransomware attack on a large telecommunication provider; an incident response investigation for a network intrusion on a large telecommunication provider; and the forensic investigation of electronic fraud in a financial institution. Karthik has managed several other incident responses and digital forensic investigations and system triages for clients in Asia Pacific.

He has led multiple onsite and remote incident response engagements as a PCI forensic investigator (PFI) for investigations involving cardholder data compromises for financial institutions and e-commerce businesses. He has led multiple proactive incident response engagements to improve client capabilities by preparing them to detect and respond to a cyber incident. These include incident readiness assessments to assess and improve current states, tabletop exercises to validate and test incident response plans, and first responder training for in-house incident responders.

Karthik holds a Master’s in Information Technology from Bond University. He is a Global Information Assurance Certification (GIAC) Certified Incident Handler (GCIH), Forensic Analyst (GCFA), Intrusion Analyst (GCIA), Penetration Tester (GPEN) and Web Application Penetration Tester (GWAPT). He is additionally a (ISC)2 Certified Information Security Systems Professional (CISSP). He is a member of the Australian Information Security Association. Karthik is proficient in English, Tamil and Hindi.

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