Kieran Grassham Joins PNG Cyber as Senior Consultant DFIR

OCTOBER 2025

PNG Cyber, LLC is pleased to announce that Mr. Kieran Grassham has joined the firm as Senior Consultant for the Incident Response division. Kieran has extensive experience in leading digital forensic investigations, specializing in incident response, advanced threat hunting, intelligence, and SOC operations, as well as international cybercrime investigations, malware reverse engineering, forensic litigation, and strategic advisory roles.

Kieran has over 6 years of experience in leading investigations in the private sector and law enforcement. During his career, Kieran has assisted clients ranging from small businesses to Fortune 500 corporations in numerous matters, including ransomware attacks, business email compromises, financial-related fraud and theft, intellectual property theft, and other related issues.

Kieran serves large and leading financial entities within the private and public sectors, as well as clients across various industries, including energy, retail, hospitality, banking, government, and telecommunications.  He has provided expert testimony in numerous cybercrime trials.


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