add 'Maersk, me & notPetya'

- signed-off-by: trimstray <trimstray@gmail.com>

README.md

@@ -980,6 +980,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://howfuckedismydatabase.com/"><b>How fucked is my database</b></a> - evaluate how fucked your database is with this handy website.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://krisbuytaert.be/blog/linux-troubleshooting-101-2016-edition/index.html"><b>Linux Troubleshooting 101 , 2016 Edition</b></a> - everything is a DNS Problem...<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://open.buffer.com/5-whys-process/"><b>Five Whys</b></a> - you know what the problem is, but you cannot solve it?<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://gvnshtn.com/maersk-me-notpetya/"><b>Maersk, me & notPetya</b></a> - how did ransomware successfully hijack hundreds of domain controllers around the world in one company?<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://howhttps.works/"><b>howhttps.works</b></a> - how HTTPS works ...in a comic!<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://howdns.works/"><b>howdns.works</b></a> - a fun and colorful explanation of how DNS works.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://postgresqlco.nf/en/doc/param/"><b>POSTGRESQLCO.NF</b></a> - your postgresql.conf documentation and recommendations.<br>