diff --git a/README.md b/README.md
index b1c2fe1..1d3734b 100644
--- a/README.md
+++ b/README.md
@@ -78,6 +78,9 @@ A curated list of awesome malware analysis tools and resources. Inspired by
 * [CI Army List](http://www.ciarmy.com/) - Network security blocklists
   ([bad guys](http://www.ciarmy.com/list/ci-badguys.txt)).
 * [Emerging Threats](http://www.emergingthreats.net/) - Rulesets and more.
+* [Internet Storm Center (DShield)](https://isc.sans.edu/) - Diary and
+  searchable incident database, with a web [API](https://dshield.org/api/)
+  ([unofficial Python library](https://github.com/rshipp/python-dshield)).
 * [malc0de](http://malc0de.com/database/) - Searchable incident database.
 * [Malware Domain List](http://www.malwaredomainlist.com/) - Search and share
   malicious URLs.