Here is a list of links I stumbled into and found interesting. Usually related to Crypto/Security although it could be anything. You can also suggest me something.

09/20/2018 09/14/2018 09/12/2018 09/11/2018 09/09/2018 09/08/2018 09/06/2018
An Intensive Introduction to Cryptography

www.intensecrypto.org last month

Cryptography by the Numbers

wordpress.rose-hulman.edu last month

09/03/2018
Feynman’s Breakthrough, Disregard Others!

stepsandleaps.wordpress.com last month

08/30/2018 08/29/2018 08/28/2018 08/17/2018

Propose a link