https://ferd.ca
https://blog.filippo.io
https://lethain.com
http://movingpackets.net
https://www.integralist.co.uk
https://peter.bourgon.org/blog
https://engineering.linkedin.com/blog
https://begriffs.com
https://mijailovic.net
http://tatiyants.com
http://blog.pentestbegins.com (seems down right now?)
https://kalzumeus.com/archive
http://blog.stephenwolfram.com
https://paragonie.com/blog
https://www.filfre.net
https://brandur.org/articles
http://archagon.net
https://eklitzke.org
I guess I could go on forever…