The Top Cybersecurity YouTube Channels to Learn From in 2026
A categorised, founder-curated list of 44 cybersecurity YouTube channels organised by what you actually want to learn: offense, defence, bug bounty, certs, careers.

If I had to redo my own cybersecurity education from scratch in 2026, I would skip most of the books and most of the certifications and start on YouTube. The depth and quality of free security content on the platform is higher than any paid course I have taken, and it updates faster than any printed material can.
The challenge is signal-to-noise. Search "cybersecurity" on YouTube and the first results are sponsored ads, clickbait, and recycled vendor decks. The actual gold sits a few layers in. Below are the 44 channels I have either learned from directly or seen consistently recommended by people I trust, grouped by what you are trying to learn.
Start here, by goal
Skip to the right shortlist depending on why you are watching.
- Total beginner. Professor Messer, Network Chuck, David Bombal, Simply Cyber. Watch in that order.
- Preparing for Security+, CySA+, or similar. Professor Messer is the canonical free option. Pair with ITProTV's certification tracks.
- Wants to do bug bounty. InsiderPHD for the on-ramp, then Nahamsec, The XSS Rat, Peter Yaworski, and Bugcrowd's own channel.
- Wants to learn pentesting / red team. IppSec, HackerSploit, The Cyber Mentor, John Hammond. CTF labs along the way.
- Wants to do malware analysis or incident response. John Hammond, 13Cubed, BlackPerl, MalwareTechBlog.
- Working in cloud security. Day Cyberwox. The most concentrated cloud-security channel on YouTube.
- Career switcher. Simply Cyber, Outpost Gray, David Bombal's career content, The Cyber Mentor's job-prep series.
Foundations and certification prep
If you are starting fresh or filling gaps, these are the canonical sources.
- Professor Messer. The free home of CompTIA Security+, Network+, A+, and CySA+ prep. Has helped more people pass Security+ than any paid course on the market.
- Network Chuck. High-energy, beginner-friendly. Strong on networking fundamentals and broad cybersecurity awareness. Great gateway content.
- David Bombal. Networking and cybersecurity tutorials, interviews with industry figures, lots of practical walk-throughs. The interviews alone are worth the subscription.
- ITProTV. Cert-focused, structured curriculum across the major vendor and CompTIA tracks. Some content is behind a paid wall; the YouTube previews are still valuable.
- Infosec Institute. Awareness training, fundamentals, and broader cybersecurity coverage. Polished, classroom-style.
- Cyberspatial. Cybersecurity education with an emphasis on operational defence. Strong for people moving into SOC roles.
- Computerphile. Not strictly a security channel, but the cryptography and security-concept episodes (from researchers like Mike Pound) are the best on YouTube for the underlying maths and history.
- Simply Cyber. Cybersecurity careers, frameworks, and entry-level guidance. Gerald Auger's content is the most useful single channel for people figuring out how to enter the field.
- Outpost Gray. Career development, military-to-cyber transitions, mentorship-style content.
Offensive security and pentesting
If you want to learn to attack systems (with permission), this is where the depth lives.
- IppSec. The single most valuable channel for learning practical pentesting. Each video is a full Hack The Box machine walkthrough, narrated with the thought process. If you watch only one channel from this list, watch this one.
- HackerSploit. Penetration testing fundamentals, web-app hacking, Kali Linux deep-dives. Course-structured and well-paced for self-study.
- The Cyber Mentor (Heath Adams). Practical ethical hacking, certification prep (PNPT, OSCP-adjacent), and career coaching. Heath's free "Practical Ethical Hacking" course on the channel is a near-complete pentesting curriculum.
- John Hammond. Malware analysis, CTF walkthroughs, programming for security, career conversations. Wide range, consistently high quality.
- Pentester Academy TV. Discussions and demonstrations of attacks, with depth from the team behind a long-running security training platform.
- Hak5. The hardware-hacking and Wi-Fi-attack canon. Tools like the Pineapple, Bash Bunny, and Rubber Ducky have shaped a generation of red teamers.
- Offensive Security. The folks behind OSCP and Kali Linux. Official lab walkthroughs, training previews, conference talks.
- SANS Offensive Operations. The free preview content from SANS Pen Test Hackfest, KringleCon, and other events. SANS quality, free.
- STÖK. Methodology-focused bug hunting and tool walkthroughs. STÖK has done more to teach modern recon-driven bug hunting than almost anyone.
- Cyber CDH. Cybersecurity tools, tactics, and red-team techniques, often with original tooling demos.
- Hack eXPlorer. General tutorials, tips, and offensive techniques. Good for filling in skill gaps.
Bug bounty
Channels focused specifically on the bug-bounty workflow: scope selection, recon, vulnerability classes, reporting.
- InsiderPHD. The cleanest on-ramp into bug bounty. Katie Paxton-Fear's videos walk through real vulnerabilities at a beginner-friendly pace without dumbing them down.
- Nahamsec. Live recon streams, bug-bounty methodology, interviews with top hunters. Ben Sadeghipour's channel is required watching for anyone serious about the craft.
- The XSS Rat. Everything bug bounty. Particularly strong on web-app vulnerability classes and reporting craft.
- Peter Yaworski. Author of "Web Hacking 101". Web-application hacking tips, hunter interviews, methodology breakdowns.
- Z-winK University. Bug-bounty education and live demonstrations, with focus on real disclosed reports.
- Bugcrowd. The platform's official channel, with researcher interviews and methodology talks.
Defensive, blue team, and forensics
The defender's side of the house. DFIR, threat hunting, malware analysis, incident response.
- 13Cubed. Some of the most rigorous Windows-forensics and DFIR content available for free. Highly recommended for SOC and IR analysts.
- BlackPerl. Malware analysis, forensics, and incident response, with hands-on demos of real samples.
- MalwareTechBlog. Marcus Hutchins's channel. Reverse engineering, malware deep-dives, and security commentary from someone with a genuinely consequential background.
- The PC Security Channel. Windows security, malware testing, and consumer-grade threat news with an analytical bent.
- Joe Collins (EzeeLinux). Linux fundamentals and security configuration. Not pure security, but essential context for anyone running defensive infrastructure.
Specialists: cloud, web, crypto
- Day Cyberwox. Cloud security walkthroughs, AWS hardening, certification prep for Cloud+. The go-to channel for the cloud-security domain.
- OWASP Foundation. Official OWASP content: conference talks, project demos, AppSec deep-dives. The canonical source for web-application security.
- Cyrill Gössi. Extensive cryptography videos. If you want to understand AES, RSA, elliptic-curve, or post-quantum primitives in real depth, this is the channel.
News, commentary, and podcasts
- Security Now. Steve Gibson's long-running podcast with Leo Laporte. Cybercrime news, hacking analysis, web-application security. Decades of consistent quality.
- Security Weekly. Interview-heavy. Conversations with vendors, researchers, and executives across the industry.
- The Hated One. Privacy and security research that explains larger conceptions: surveillance, encryption policy, OPSEC.
- Null Byte. Ethical hacking tutorials, often hands-on with specific tools. Wired's security-tutorial sibling.
- DC CyberSec. Generic cybersecurity coverage and current-events analysis.
- InfoSec Live. Everything from tutorials to interviews. Eclectic mix; good discovery channel for new voices.
- Black Hills Information Security. John Strand and team. Webinars, talks, and research releases from one of the most respected boutique consultancies in the industry.
Conferences
- Black Hat. Talks from the world's most influential applied-security conference. The talks land on YouTube within weeks of the event.
- DEFCONConference. Official DEF CON channel. Decades of conference recordings going back to the early 1990s.
CTFs and lab walkthroughs
- LiveOverflow. Hacking, write-up videos, and capture-the-flag breakdowns with a strong focus on understanding the why, not just the how.
How to actually learn from YouTube (not just watch)
Watching security content is not the same as learning security. A few habits that turn this list from entertainment into a real curriculum:
- Pair every video with a hands-on lab. Hack The Box, TryHackMe, OverTheWire, PortSwigger Web Security Academy. Watching an IppSec video then doing the box yourself the next day is the loop that works.
- Pick one channel as your spine. Subscribe to twenty but follow one in depth. For offensive: IppSec or The Cyber Mentor. For defensive: 13Cubed. For careers: Simply Cyber.
- Build something with what you learned. A blog post, a tool, a CTF write-up, a Twitter thread. Output is what makes the knowledge stick.
- Verify the source. The cybersecurity space has its share of hype channels. Cross-reference claims against primary sources (CVEs, vendor advisories, peer-reviewed research).
- Show up in the communities. Every serious channel above has an associated Discord or Twitter community. The conversations there are where you turn passive viewing into a network.
Adjacent reading on guptadeepak.com
For the structured side of cybersecurity learning, the cybersecurity resources map covers standards, frameworks, and primary sources. The CIAM security buyer's guide covers the identity layer that most of these attackers eventually try to break. And the 30 cybersecurity search engines guide is the recon-tooling companion to the offensive channels above.
FAQ
Which single YouTube channel should I start with as a complete beginner?
Professor Messer, for the foundational concepts and certification prep. Once the vocabulary lands, branch into a hands-on channel (IppSec for offence, 13Cubed for defence) plus one of the lab platforms.
Can YouTube replace a formal cybersecurity certification?
It can replace the courseware, but not the credential. Employers and government roles still gate by certs (Security+, CISSP, OSCP, CCSP). Use YouTube to learn the material at no cost, then pay for the exam.
How do I pick between offensive and defensive cybersecurity?
Try one of each. Spend a weekend on a Hack The Box easy machine (offensive) and a weekend on a SANS DFIR open challenge (defensive). The one you find yourself thinking about in the shower is the one you want.
Are these channels enough to land a job?
The content is. The bar is also a portfolio of public work: CTF write-ups, GitHub tooling, a blog. Watching is necessary; doing and publishing is what converts to interviews.
How current does cybersecurity learning need to be?
The fundamentals (cryptography, networking, OS internals) age slowly. The specifics (which exploit kit is active, which cloud misconfiguration is trending) change fast. Mix evergreen channels (Computerphile, Professor Messer, OWASP) with current-events channels (Security Now, The PC Security Channel, Black Hills) to cover both.
How often is this list refreshed?
Roughly once a year. The mainstays (IppSec, John Hammond, LiveOverflow, Professor Messer) have been at the top of every credible list for the past five years and will likely stay there. Newer entrants get added as they earn their place.
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