Cybersecurity Challenges in Mergers and Acquisitions

This guide outlines the cybersecurity challenges associated with major organizational changes such as mergers, acquisitions, and Machinery of Government changes. It describes how these changes can disrupt normal business operations, creating opportunities for malicious actors to exploit vulnerabilities. The document emphasizes the importance of understanding differing security postures between organizations and the risks posed by social engineering attacks during transitions. It details best practices for managing security risks during data migration, including the use of secure online data transfers and physical media handling. The guide also highlights the necessity of preserving file system permissions and ensuring data integrity when importing into new systems. Furthermore, it addresses the importance of decommissioning old data holdings and complying with the Privacy Act 1988. The document serves as a comprehensive resource for organizations to navigate the complexities of cybersecurity in the context of significant organizational changes.