Update README.md

README.md

@@ -23,6 +23,7 @@ A collection of essential resources related cyber threat intelligence theory
 | Authour | Description | Resource URL |
 | --- | --- | --- |
 | [Mandiant](https://www.mandiant.com/) | Mandiant's unprecedented report linking APT1 to China's 2nd Bureau of the People's Liberation Army (PLA) General Staff Department's (GSD) 3rd Department (Military Cover Designator 61398). | [mandiant-apt1-report.pdf](https://www.mandiant.com/resources/apt1-exposing-one-of-chinas-cyber-espionage-units) |
+| [CrowdStrike](https://www.crowdstrike.com/) | CrowdStrike's "breakout time" report provided an illuminating look at which actors operate the fastest within networks they have gained access to, and how effective and rapid the defenders have to be to defeat some of the most capable adversaries | [crowdstrike.com](https://www.crowdstrike.com/blog/first-ever-adversary-ranking-in-2019-global-threat-report-highlights-the-importance-of-speed/) | 
 | [Katie Nickels](https://twitter.com/likethecoins)| Analysts have compiled a list of court documents issued by the Department of Justice (DOJ) specifically regarding various threat actor charges and indictments, from APT group members to ransomware operators | [Legal Documents of Interest to CTI Analysts](https://docs.google.com/spreadsheets/d/12iZfDkc-DtVNXV5ZoOiKKZuNGcsb3yQ0V3DNBQIalSo/htmlview#gid=1677585875) |
 | [Sarah Jones](https://twitter.com/sj94356) | A Brief History of Attribution Mistakes - analyse the mistakes made by others so that you do not repeat them | [securityandtechnology.org](https://securityandtechnology.org/wp-content/uploads/2020/07/summit_archive_1548105619.pdf) |