He helps clients understand and manage the legal, regulatory and liability risks of cybersecurity incidents (with significant experience in cyber extortion cases involving malware and data theft). Marcus regularly assists with investigations and enforcement actions following incidents, including by the UK ICO and other European data protection regulators. Away from incident response, Marcus supports clients with risk management and building operational resilience.

Marcus has a law enforcement background and maintains an extensive network of contacts in the forensics, intelligence and broader cybersecurity communities.