I bet you didn’t realize there were this many kinds of calculators in the world!

https://martindalecenter.com/calculators.html

DISA STIG VIEWER

https://public.cyber.mil/stigs/srg-stig-tools/

National Institute of Standards and Technology

https://www.nist.gov/

Some Humor about standards.

https://www.youtube.com/watch?v=JYqfVE-fykk

Cisco Talos 

https://talosintelligence.com 

This site makes our tech news a little more palatable with humor and accuracy. 

https://www.theregister.com

100 Ethical Hacking Tools

Thank you Medium!  Nice list. 

https://reggiemenacherry.medium.com/top-best-100-ethical-hacking-tools-where-to-download-them-and-what-it-is-used-for-b1183626d040

Free Beginners Python Course

https://www.youtube.com/watch?v=rfscVS0vtbw

Ultimate Cheat Sheets for SysAdmins

Some of the Packetlife links are broken but the rest are pretty good.

https://www.serversaustralia.com.au/articles/technology/ultimate-list-of-cheatsheets-for-a-sysadmin

SANS Courses and Information

https://www.sans.org

Read up on the 15 infamous Malware Attacks on CSO Magazine.

https://www.csoonline.com/article/572911/11-infamous-malware-attacks-the-first-and-the-worst.html

 Join Rafal Luc, James Jardine and Jim Tiller on “Down the Security Rabbithole” Podcast.

 https://dtsr.buzzsprout.com/

Brian Krebs  

Still taking down the bad guys. 

https://krebsonsecurity.com/

Thanks to Troy Hunt and Team you can check to see if you’ve been PWND!

https://haveibeenpwned.com/ 

Blackhat upcoming events.  Better bring a laptop you don’t care about!  Everyone is after your tail here.

https://www.blackhat.com/upcoming.html