During November 2024, Drysdale focused on enhancing key security validation within the google/android-cuttlefish repository, specifically addressing the handling of KeyMint tags in embedded systems. He delivered a targeted fix for the TPM Key Blob Maker, introducing validation logic for the new KM_TAG_MODULE_HASH in SplitEnforcedProperties. By adding debug logging and enforcing safeguards to return an invalid tag error, Drysdale ensured that module-hash related KeyMint tags could not be misprocessed, thereby preserving system integrity. His work, implemented in C++ and leveraging expertise in key management and security, reduced the risk of tag-related failures in KeyMint workflows and improved traceability.