The following list is an amalgamation put together from many of the resources which I have either stumbled across myself or (more frequently) found linked from Twitter. I have used them all and reference most of them regularly. My personal favorites are marked with asterisks, but don’t skimp — they’re all highly valuable resources.
BLOGS
Black Hills Information Security
https://www.blackhillsinfosec.com/blog/
https://www.blackhillsinfosec.com/blog/
Graham Cluley
https://www.grahamcluley.com/
https://www.grahamcluley.com/
harmj0y
https://www.harmj0y.net/blog/
https://www.harmj0y.net/blog/
Kevin Beaumont
https://doublepulsar.com/@networksecurity
https://doublepulsar.com/@networksecurity
Krebs on Security
https://krebsonsecurity.com/
https://krebsonsecurity.com/
Lesley Carhart *
https://tisiphone.net/
https://tisiphone.net/
Red Teams
https://redteams.net/
https://redteams.net/
Red Team Journal
https://redteamjournal.com/
https://redteamjournal.com/
Reddit /r/Netsec
https://www.reddit.com/r/netsec/
https://www.reddit.com/r/netsec/
Schneier on Security
https://www.schneier.com/
https://www.schneier.com/
the grugq *
https://medium.com/@thegrugq
https://medium.com/@thegrugq
CHEAT SHEETS
Awesome InfoSec *
https://github.com/onlurking/awesome-infosec
https://github.com/onlurking/awesome-infosec
Awesome Ninja Admins
https://github.com/trimstray/awesome-ninja-admins
https://github.com/trimstray/awesome-ninja-admins
Docker Images for InfoSec Tools
https://github.com/infoslack/sec-tools
https://github.com/infoslack/sec-tools
Easily Report Phishing and Malware – @SwiftOnSecurity
https://decentsecurity.com/#/malware-web-and-phishing-investigation/
https://decentsecurity.com/#/malware-web-and-phishing-investigation/
Malware Archaeology Windows Cheat Sheets
https://www.malwarearchaeology.com/cheat-sheets
https://www.malwarearchaeology.com/cheat-sheets
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Windows Logging
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Windows Advanced Logging
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Windows HUMIO Logging
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Windows Splunk Logging
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Windows File Auditing
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Windows Registry Auditing
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Windows PowerShell Logging
Passing OSCP
Researcher Resources – How to become a Bug Bounty Hunter
https://forum.bugcrowd.com/t/researcher-resources-how-to-become-a-bug-bounty-hunter/1102
https://forum.bugcrowd.com/t/researcher-resources-how-to-become-a-bug-bounty-hunter/1102
Security Cheat Sheets
https://github.com/andrewjkerr/security-cheatsheets
https://github.com/andrewjkerr/security-cheatsheets
Windows Security From the Ground Up – @SwiftOnSecurity *
https://decentsecurity.com/#/securing-your-computer/
https://decentsecurity.com/#/securing-your-computer/
NEWSFEEDS
Ars Technica *
https://arstechnica.com/
https://arstechnica.com/
CyberScoop
https://www.cyberscoop.com/
https://www.cyberscoop.com/
Dark Reading
https://www.darkreading.com/
https://www.darkreading.com/
Hacker News *
https://news.ycombinator.com/
https://news.ycombinator.com/
The Register
https://www.theregister.co.uk/
https://www.theregister.co.uk/
Threatpost
https://threatpost.com/
https://threatpost.com/
PODCASTS
Brakeing Down Incident Response – Bryan Brake and Michael Gough *
https://www.imfsecurity.com/podcast/
https://www.imfsecurity.com/podcast/
Brakeing Down Security – Bryan Brake, Brian Boettcher, and Amanda Berlin
http://brakeingsecurity.com/
http://brakeingsecurity.com/
ISC(2)’s StormCast
https://isc.sans.edu/podcast.html
https://isc.sans.edu/podcast.html
Paul’s Security Weekly
https://securityweekly.com/subscribe
https://securityweekly.com/subscribe
Silver Bullet Security – Gary McGraw
https://www.garymcgraw.com/technology/silver-bullet-podcast/
https://www.garymcgraw.com/technology/silver-bullet-podcast/
VIDEOS
Breaking in Bad – Jayson Street *
https://www.youtube.com/watch?v=UpX70KxGiVo
https://www.youtube.com/watch?v=UpX70KxGiVo
Everything Old is New Again – Cindy Jones *
https://www.youtube.com/watch?v=cAuhIeBSHqs
https://www.youtube.com/watch?v=cAuhIeBSHqs
How Not to Infosec – Dan Tentler *
https://www.youtube.com/watch?v=WTKpmfoheNw
https://www.youtube.com/watch?v=WTKpmfoheNw
Infosec and Failure – Ange Albertini
https://www.youtube.com/watch?v=erZ2JlfTtcE
https://www.youtube.com/watch?v=erZ2JlfTtcE