diff --git a/README.md b/README.md
index 1b62602..3c34cd6 100644
--- a/README.md
+++ b/README.md
@@ -139,6 +139,11 @@ An updated and curated list of selected readings to illustrate High Scalability,
 	* [BookKeeper: Distributed Log Storage at Yahoo](https://yahooeng.tumblr.com/post/109908973316/bookkeeper-yahoos-distributed-log-storage-is)
 	* [LogDevice: Distributed Data Store for Logs at Facebook](https://code.facebook.com/posts/357056558062811/logdevice-a-distributed-data-store-for-logs/)
 	* [LogFeeder: Log Collection System at Yelp](https://engineeringblog.yelp.com/2018/03/introducing-logfeeder.html)
+* [Distributed Security](https://msdn.microsoft.com/en-us/library/cc767123.aspx)
+	* [Aardvark and Repokid: AWS Least Privilege for Distributed, High-Velocity Development at Netflix](https://medium.com/netflix-techblog/introducing-aardvark-and-repokid-53b081bf3a7e)	
+	* [LISA: Distributed Firewall at LinkedIn](https://www.slideshare.net/MikeSvoboda/2017-lisa-linkedins-distributed-firewall-dfw)
+	* [Distributed Security Alerting at Slack](https://slack.engineering/distributed-security-alerting-c89414c992d6)
+	* [Secure Infrastructure To Store Bitcoin In The Cloud at Coinbase](https://engineering.coinbase.com/how-coinbase-builds-secure-infrastructure-to-store-bitcoin-in-the-cloud-30a6504e40ba)	
 * [Distributed Messaging and Event Streaming](https://arxiv.org/pdf/1704.00411.pdf)
 	* [When to use RabbitMQ or Kafka](https://content.pivotal.io/blog/understanding-when-to-use-rabbitmq-or-apache-kafka)
 	* [Should You Put Several Event Types in the Same Kafka Topic? - Martin Kleppmann](https://www.confluent.io/blog/put-several-event-types-kafka-topic/)
@@ -343,7 +348,7 @@ An updated and curated list of selected readings to illustrate High Scalability,
 		* [Point-To-Point and Its Differences from Pub-Sub](https://www.journaldev.com/9743/jms-messaging-models)
 		* [Store-Forward](https://docs.oracle.com/cd/E13222_01/wls/docs91/saf_admin/overview.html)
 		* [Request-Reply](https://docs.tibco.com/pub/ftl/4.3.0/doc/html/GUID-A64ABED1-682E-4E1D-A94A-5590CB91B9BB.html)
-		* [Enterprise Service Bus](http://www.oracle.com/technetwork/articles/soa/ind-soa-esb-1967705.html)	
+		* [Enterprise Service Bus](http://www.oracle.com/technetwork/articles/soa/ind-soa-esb-1967705.html)		
 * [Distributed Source Code and Configuration Files Management](https://betterexplained.com/articles/intro-to-distributed-version-control-illustrated/)
 	* [Distributed Version Control Systems: A Not-So-Quick Guide Through](https://www.infoq.com/articles/dvcs-guide)
 	* [Stemma: Distributed Git Server at Palantir](https://medium.com/@palantir/stemma-distributed-git-server-70afbca0fc29)