Embark on a journey to uncover the myriad data processing activities within your organization. This task anchors the compliance process, pinpointing where personal data is handled. By identifying these activities, we lay the groundwork for robust GDPR compliance and privacy by design. What tools are available to help you keep track of these activities? Potential challenges might include identifying hidden data silos. However, strategic data mapping can uncover these elusive activities. Resources like data flow diagrams can be invaluable.