Add "Prioritizing Detection Engineering"

README.md

@@ -26,6 +26,7 @@ All contributions are welcome, please carefully review the [contributing guideli
 - [Detection Development Lifecycle | Haider Dost et al.](https://medium.com/snowflake/detection-development-lifecycle-af166fffb3bc) - Snowflake’s implementation of the Detection Development Lifecycle.
 - [Threat Detection Maturity Framework | Haider Dost of Snowflake](https://medium.com/snowflake/threat-detection-maturity-framework-23bbb74db2bc) - A maturity matrix to measure the success of your threat detection program.
 - [Elastic's Detection Engineering Behavior Maturity Model](https://www.elastic.co/security-labs/elastic-releases-debmm) - Elastic's qualitative and quantitative approach to measuring threat detection program maturity.
+- [Prioritizing Detection Engineering | Ryan McGeehan](https://medium.com/starting-up-security/prioritizing-detection-engineering-b60b46d55051) - A longtime detection engineer outlines how a detection engineering program should be built from the ground up.
 
 ## Detection Content & Signatures