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Daniel Kelley Profile picture
@danielmakelley
Jul 22 • 6 tweets • 1 min read Twitter logo Read on Twitter
Here are 27 ways to learn ethical hacking for free:

1. Root Me — Challenges.
2. Stök's YouTube — Videos.
3. Hacker101 Videos — Videos.
4. InsiderPhD YouTube — Videos.
5. EchoCTF — Interactive Learning.
6. Vuln Machines — Videos and Labs.
7. Try2Hack — Interactive Learning.
8. Pentester Land — Written Content.
9. Checkmarx — Interactive Learning.
10. Cybrary — Written Content and Labs.
11. RangeForce — Interactive Exercises.
12. Vuln Hub — Written Content and Labs.
13. TCM Security — Interactive Learning.
14. HackXpert — Written Content and Labs.
15. Try Hack Me — Written Content and Labs.
16. OverTheWire — Written Content and Labs.
17. Hack The Box — Written Content and Labs.
18. CyberSecLabs — Written Content and Labs.
19. Pentester Academy — Written Content and Labs.
20. Bug Bounty Reports Explained YouTube — Videos.
21. Web Security Academy — Written Content and Labs.
22. Securibee's Infosec Resources — Written Content.
23. Jhaddix Bug Bounty Repository — Written Content.
24. Zseano's Bug Bounty Methodology — Free Ebook.
25. Awesome AppSec GitHub Repository — Written Content.
26. NahamSec's Bug Bounty Repository — Written Content.
27. Kontra Application Security — Interactive Learning.

• • •

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More from @danielmakelley

Daniel Kelley Profile picture
Jul 19
17 platforms where you can begin cybersecurity:

1. HackXpert - Free labs and training.
2. TryHackMe - Hands-on exercises and labs.
3. CyberSecLabs - High quality training labs.
4. Cybrary - Videos, labs, and practice exams.
5. LetsDefend - Blue team training platform.
6. Root Me - Over 400 cybersecurity challenges.
7. RangeForce - Interactive and hands-on platform.
8. Certified Secure - Loads of different challenges.
9. Vuln Machines - Real world scenarios to practice.
10. Try2Hack - Play a game based on the real attacks.
11. TCM Security - Entry level courses for cybersecurity.
12. EchoCTF - Train your offensive and defensive skills.
13. Hack The Box - Cybersecurity training platform.
Read 4 tweets
Daniel Kelley Profile picture
Jul 18
30 cybersecurity search engines for researchers:

1. Dehashed—View leaked credentials.
2. SecurityTrails—Extensive DNS data.
3. DorkSearch—Really fast Google dorking.
4. ExploitDB—Archive of various exploits.
5. ZoomEye—Gather information about targets.
6. Pulsedive—Search for threat intelligence.
7. GrayHatWarfare—Search public S3 buckets.
8. PolySwarm—Scan files and URLs for threats.
9. Fofa—Search for various threat intelligence.
10. LeakIX—Search publicly indexed information.
11. DNSDumpster—Search for DNS records quickly.
12. FullHunt—Search and discovery attack surfaces.
13. AlienVault—Extensive threat intelligence feed.
14. ONYPHE—Collects cyber-threat intelligence data.
15. Grep App—Search across a half million git repos.
Read 7 tweets
Daniel Kelley Profile picture
Jun 30
Here's a list of 43 cybersecurity YouTube channels:

1. Hak5 — General cybersecurity coverage.
2. The XSS Rat — Everything bounty hunting.
3. ITProTV — General cybersecurity coverage.
4. Infosec Institute — Cybersecurity awareness.
5. Cyrill Gössi — Extensive cryptography videos.
6. DC CyberSec — Generic cybersecurity coverage.
7. Black Hat — Technical cybersecurity conferences.
8. David Bombal — Everything cybersecurity related.
9. Outpost Gray — Cybersecurity career development.
10. Bugcrowd — Bug bounty methodology and interviews.
11. Network Chuck — Everything cybersecurity related.
12. Professor Messer — Guides covering certifications.
13. Cyberspatial — Cybersecurity education and training.
14. OWASP Foundation — Web-application security content.
15. Nahamsec — Educational hacking and bug bounty videos.
Read 11 tweets
Daniel Kelley Profile picture
Apr 13
If Twitter is a free University, then YouTube is a free Graduate Program. Here are 6 YouTube channels you can follow to learn about cybersecurity—that are so valuable they should charge $100,000+ for the information & insight they provide:
1/ John Hammond - Everything cybersecurity.

youtube.com/c/JohnHammond0…
2/ David Bombal - Programming, networking, hacking.

youtube.com/c/DavidBombal
Read 8 tweets
Daniel Kelley Profile picture
Apr 12
17 platforms where you can begin cybersecurity:

1. HackXpert - Free labs and training.
2. TryHackMe - Hands-on exercises and labs.
3. CyberSecLabs - High quality training labs.
4. Cybrary - Videos, labs, and practice exams.
5. LetsDefend - Blue team training platform.
6. Root Me - Over 400 cybersecurity challenges.
7. RangeForce - Interactive and hands-on platform.
8. Certified Secure - Loads of different challenges.
9. Vuln Machines - Real world scenarios to practice.
10. Try2Hack - Play a game based on the real attacks.
11. TCM Security - Entry level courses for cybersecurity.
12. EchoCTF - Train your offensive and defensive skills.
13. Hack The Box - Cybersecurity training platform.
Read 5 tweets
Daniel Kelley Profile picture
Mar 31
YouTube has more than 38,000,000 channels.

Most are weird vlogs, TV show montages, music videos, and memes.

But if you’re interested in cybersecurity, these 7 channels will teach you more than a 4-year college degree:
1/ John Hammond -Everything cybersecurity.

youtube.com/c/JohnHammond0…
2/ LiveOverflow -Different IT security topics.

youtube.com/@LiveOverflow
Read 9 tweets

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