# vOPCDE #4
[YouTube Replay](https://www.youtube.com/watch?v=8_i4X9MMjbE&feature=emb_title
## Keynote: Active Measures
Thomas Rid Johns Hopkins SAIS, Author of ACTIVE MEASURES
## TFW you-get-really-excited-you-patch-diffed-a-0day-used-in-the-wild-but-then-find-out-it-is-the-wrong-vuln
Maddie Stone (Security Researcher @ Google Project Zero)
- [Blogpost](https://googleprojectzero.blogspot.com/2020/04/tfw-you-get-really-excited-you-patch.html)
## Security Conversations: Ryan Naraine interviews Bill Demirkapi
Bill Demirkapi Independent Security Researcher
Ryan Naraine (Host @ Security Conversations)
## An Exploratory Endeavor in the Reverse Engineering of a Multi-platform Compiler
Mohamad Mokbel (Security Researcher @ Trend Micro Inc.)
- [Slides - PDF](https://github.com/comaeio/OPCDE/blob/master/2020/May/6/re_purebasic_compilers_mfmokbel.pdf)