diff --git a/README.md b/README.md
index f537a21..3e6c3b1 100644
--- a/README.md
+++ b/README.md
@@ -169,6 +169,8 @@ A curated list of awesome malware analysis tools and resources. Inspired by
   C&C blocklists.
 * [Proofpoint Threat Intelligence](https://www.proofpoint.com/us/products/et-intelligence) -
   Rulesets and more. (Formerly Emerging Threats.)
+* [Ransomware overview](https://docs.google.com/spreadsheets/d/1TWS238xacAto-fLKh1n5uTsdijWdCEsGIM0Y0Hvmc5g/pubhtml) - 
+  A list of ransomware overview with details, detection and prevention.
 * [STIX - Structured Threat Information eXpression](http://stixproject.github.io) -
   Standardized language to represent and share cyber threat information.
   Related efforts from [MITRE](https://www.mitre.org/):