2021 DBIR and the VERIS A4 Threat Model

John Grim explains how the VERIS Framework underpins the Data Breach Investigations Report (DBIR). VERIS employs the A4 Threat Model to describe key aspects of incidents and breaches that affect victim organizations.

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John Grim

Head of Research, Development and Innovation

Verizon Business

John Grim has over 19 years of experience leading investigations of data breaches and cybersecurity incidents within the government and civilian security sectors. Currently, as a Distinguished Architect, John leads the Verizon Threat Research Advisory Center (VTRAC) Research, Development, and Innovation effort. In this role, John focuses on all aspects of cybersecurity incidents, performing digital forensic examinations, advising on data breach containment and eradication efforts, and creating response preparedness training and breach simulation exercises for customers worldwide. Prior to Verizon, John served 12 years with the U.S. Army as a Counterintelligence Special Agent investigating security incidents.