Forrester looked at the top global breaches and worst privacy abuses of 2023 and identified key trends and lessons learned. With more than 1.5 billion records exposed in the top 35 breaches alone and almost $2.6 billion in fines levied for the top 35 violators, lessons abound for security teams. Security and privacy leaders should use this report to understand the key breaches and lessons from the year and augment their security and privacy strategies accordingly.