diff --git a/README.md b/README.md
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@@ -86,7 +86,7 @@ A curated list of fuzzing resources ( Books, courses - free and paid, videos, to
 
 [Fuzzing 101 (2009)](https://vimeo.com/7574602) - by Mike Zusman.
 
-[Fuzzing - Software Security Course on Coursera](https://www.coursera.org/learn/software-security/lecture/VgyOn/fuzzing) - by University of Maryland.
+[Fuzzing - Software Security Course on Coursera](https://www.coursera.org/lecture/software-security/lecture/VgyOn/fuzzing) - by University of Maryland.
 
 ### Conference talks and tutorials
 [Youtube Playlist of various fuzzing talks and presentations ](https://www.youtube.com/playlist?list=PLtPrYlwXDImiO_hzK7npBi4eKQQBgygLD) - Lots of good content in these videos. 
@@ -102,7 +102,7 @@ A curated list of fuzzing resources ( Books, courses - free and paid, videos, to
 
 *Tutorials and blogs which explain methodology, techniques and best practices of fuzzing*
 
-[Effective File Format Fuzzing](http://j00ru.vexillium.org/slides/2016/blackhat.pdf) - Mateusz “j00ru” Jurczyk @ Black Hat Europe 2016, London
+[Effective File Format Fuzzing](https://j00ru.vexillium.org/slides/2016/blackhat.pdf) - Mateusz “j00ru” Jurczyk @ Black Hat Europe 2016, London
 
 [A year of Windows kernel font fuzzing Part-1 the results](https://googleprojectzero.blogspot.com/2016/06/a-year-of-windows-kernel-font-fuzzing-1_27.html) - Amazing article by Google's Project Zero, describing what it takes to do fuzzing and create fuzzers.