On Friday, May 12th, 2017, the ransomware program WannaCry started spreading to computers all over the world at an alarming rate. A couple days later, it was basically completely contained with very little damage done. So what happened?

Hosted by: Hank Green
----------
Support SciShow by becoming a patron on Patreon:   / scishow  
----------
Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Kevin, Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George
----------
Looking for SciShow elsewhere on the internet?
Facebook:   / scishow  
Twitter:   / scishow  
Tumblr:   / scishow  
Instagram:   / thescishow  
----------
Sources:

https://www.cnet.com/news/wannacry-wa...
http://www.npr.org/sections/thetwo-wa...
https://www.cnet.com/news/ransomware-...
https://www.symantec.com/connect/blog...
https://technet.microsoft.com/en-us/l...
https://www.wired.com/2017/05/acciden...
https://arstechnica.com/security/2017...
http://money.cnn.com/2017/05/16/techn...
https://www.elliptic.co/wannacry/
https://www.ft.com/content/fa5ed73a-3...
http://www.bbc.com/news/world-europe-...
https://www.theverge.com/2017/5/14/15...
https://www.wired.com/2017/05/wannacr...