Dan Handley enhanced the zephyrproject-rtos/mcuboot repository by aligning its security policy documentation with TrustedFirmware.org standards, focusing on improving both security governance and external collaboration. He updated SECURITY.md using Markdown to reference the external policy and formalized vulnerability reporting and disclosure procedures, ensuring the project’s processes met industry expectations. Dan also added a dedicated release note entry to document these changes, emphasizing business value and release-readiness. His work centered on documentation and security policy management, addressing the need for clearer, more robust disclosure workflows. The depth of the update supports smoother vulnerability audits and strengthens the project’s external trust posture.