Podcasts:

Risky Business

Cyber Security Headlines

SANS Internet Stormcenter

AWS Morning Brief (general, but covers security extensively)

Control Loop: The OT Cybersecurity Podcast

The ML SecOps Podcast

CISO Series

Security Noise

The Industrial Security Podcast

Darknet Diaries - long-form history of cybersecurity

Lawfare - Security law and policy

Out of the Woods - Threat Hunting

YouTube:

DFIR:

https://www.youtube.com/@13Cubed - Forensics

https://www.youtube.com/@SANSForensics - Forensics

https://www.youtube.com/@BlueMonkey4n6 - Forensics

https://www.youtube.com/@ForensicFocus - Forensics

https://www.youtube.com/@DFIRScience - DFIR

https://www.youtube.com/@FIRSTdotorg - DFIR

https://www.youtube.com/@rj_chap - DFIR

https://www.youtube.com/@BlackPerl - DFIR and threat hunt. Has an interesting “Splunk for SOC Analysts” playlist.

https://www.youtube.com/@CyborgSecurity - Mostly threat hunt.

https://www.youtube.com/@AntisyphonTraining - Training from the Black Hills Infosec folks

General:

https://www.youtube.com/@postman - API testing

https://www.youtube.com/@SANSInstitute - General infosec, lots of good content, recommended.

https://www.youtube.com/@atomichacking - General infosec. Might be defunct.

https://www.youtube.com/@MalwareTechBlog - General infosec

https://www.youtube.com/@CyberwoxAcademy - General infosec, frequently updated, some good lab-type video series.

https://www.youtube.com/@DayCyberwox - General infosec.

https://www.youtube.com/@professormesser - General infosec, good Security+ prep material.

https://www.youtube.com/@Seytonic - General infosec

https://www.youtube.com/@Kaspersky - General infosec

https://www.youtube.com/@CyberSocialHub/videos - General infosec

https://www.youtube.com/@HackerSploit - General infosec

https://www.youtube.com/@JSONSEC - General infosec

https://www.youtube.com/@SimplyCyber - General infosec

https://www.youtube.com/@Cover6Solutions - General infosec

https://www.youtube.com/@ITSecurityLabs - General infosec and some CTF walkthroughs

https://www.youtube.com/@CYBERINSIGHT - General infosec and some CTF walkthroughs

https://www.youtube.com/@mitrecorp - General infosec from MITRE

https://www.youtube.com/@msftsecresponse - Microsoft Security Response Center. Mostly defensive sec.

https://www.youtube.com/@SecureNinjaTV - Slightly clickbaity general infosec. Not recommended but may be some good stuff if you hunt around.

https://www.youtube.com/@StudioSec - Clickbaity, not recommended, may be some good stuff if you hunt around

https://www.youtube.com/@PwnFunction - General tech, mostly security related

https://www.youtube.com/@_JohnHammond - All sorts of infosec content. Usually excellent.

https://www.youtube.com/@Chainalysis - Cryptocurrency, mostly policy but some security content.

https://www.youtube.com/@netdevconf - Extremely technical networking talks

https://www.youtube.com/@talksatgoogle - Guest lectures at Google; not all are technical.

https://www.youtube.com/@GoogleTechTalks - More technical Google talks

https://www.youtube.com/@oreilly - General tech

https://www.youtube.com/@TheSEICMU - General tech and software development from Carnegie Mellon University. Some good security videos.

https://www.youtube.com/@DaveAitel - Technology and cybersecurity policy. Technical.

https://www.youtube.com/@daveaitel6106 - Also Dave Aitel, not sure why he has 2 channels.

https://www.youtube.com/@thegrugq/videos - The grugq, policy and cyberwar.

https://www.youtube.com/@interviewingio - Aimed at helping engineers pass technical interviews, but helpful in general.

https://www.youtube.com/@valhalla_dev - Mostly security development stuff

https://www.youtube.com/@ActiveCountermeasures - The defensive side of Black Hills Info Security

https://www.youtube.com/@cyrillgossi - Mostly cryptography

https://www.youtube.com/@Thecyberwire - Infosec news

https://www.youtube.com/@trailofbits - News & some tech talks

https://www.youtube.com/@runZeroInc - Asset discovery

https://www.youtube.com/@hardweario - Hardware security

https://www.youtube.com/@DeviantOllam - Physical security

https://www.youtube.com/@zodiacon - Windows internals

https://www.youtube.com/@securityengineering1350 - Lectures from the famous sec engineering book

Cloud:

https://www.youtube.com/@AWSOnlineTechTalks - AWS

https://www.youtube.com/@googlecloudtech - Google Cloud

https://www.youtube.com/@MicrosoftAzure - Azure

https://www.youtube.com/@SANSCloudSecurity - Cloud security. Recommended.

https://www.youtube.com/@cncf - Cloud Native Computing Foundation. DevOps type things.

https://www.youtube.com/@CodingTech - general coding

Linux:

https://www.youtube.com/@RedHatDevelopers - Mostly linux, some interesting older stuff

https://www.youtube.com/@BryanLunduke - Linux

https://www.youtube.com/@DistroTube - Linux

https://www.youtube.com/@EzeeLinux - Linux

https://www.youtube.com/@tutoriaLinux - Linux/DevOps

Malware & Reverse Engineering:

https://www.youtube.com/@OALABS - Mostly malware & reverse engineering.

https://www.youtube.com/@jstrosch - Mostly malware & reverse engineering.

https://www.youtube.com/@MalwareAficionado - Malware Analysis

https://www.youtube.com/@AGDCServices - Malware Analysis

OT:

https://www.youtube.com/@SANSICSSecurity - ICS

Programming:

https://www.youtube.com/@cs50/videos - Harvard’s intro to programming course.

https://www.youtube.com/@coreyms/videos - Programming

https://www.youtube.com/@MissingSemester - the “Missing Semester” coursr from MIT which teaches editors, version control, the command line, etc.

https://www.youtube.com/@Changelog - Programming

Red Team:

https://www.youtube.com/@ippsec - Hack the Box walkthroughs

https://www.youtube.com/@MetasploitR7 - Official Metasploit channel

https://www.youtube.com/@LiveOverflow - Highly technical, mostly exploit topics, recommended.

https://www.youtube.com/@LiveUnderflow - LiveOverflow’s alt channel

https://www.youtube.com/@chompie1337 - Extremely technical exploit dev.

https://www.youtube.com/@0xf0x - Technical, not frequently updated

https://www.youtube.com/@webpwnized - Mostly beginner hacking.

https://www.youtube.com/@embracethered - Good variety of offensive topics, some beginner videos.

https://www.youtube.com/@DemmSec - Beginner hacking. Seems defunct but some OK older content.

https://www.youtube.com/@hak5 - Hardware tools

https://www.youtube.com/@Pentestingwithspirit - Older CTF walkthroughs

https://www.youtube.com/@Bugcrowd - Bug bounty program, some good web app testing content.

https://www.youtube.com/@HackerOneTV - The other bug bounty program.

https://www.youtube.com/@STOKfredrik - Mostly bug bounty related.

https://www.youtube.com/@DashnineMedia - Older but pretty good content on how Cobalt Strike works from its creator, Raphael Mudge

https://www.youtube.com/@stacksmashing - Mostly hardware hacking

https://www.youtube.com/@specterops - The pen test consultancy that makes Bloodhound. May be defunct.

https://www.youtube.com/@OffSecTraining - Offensive security

https://www.youtube.com/@shenetworks - Varied, but some CTF walkthroughs, etc.

https://www.youtube.com/@JoeGrand - Mostly hardware

https://www.youtube.com/@0xdf/videos - A variety of offsec things, recommended.

https://www.youtube.com/@scrtinsomnihack - A variety of offsec.

https://www.youtube.com/@pwncollege - ASU prof. Usually pretty technical.

https://www.youtube.com/@OffByOneSecurity - Occasional technical videos

https://www.youtube.com/@RedSiege - Assorted offsec

Conferences:

ICS:

Cheat Sheets: