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Your Instructor
David Bombal (CCIE #11023 Emeritus) passed his Cisco Certified Internetwork Expert Routing and Switching exam in January 2003. David has the highest rated and most popular course in the GNS3 Academy: SDN and OpenFlow Introduction.
David's software tools and training have been downloaded +100,000 times. Many thousands of engineers like you use his tools and training on a regular basis.
David has developed over 20 courses for HP which are used worldwide. These include multiple SDN courses and HP ASE certification courses (4 day Instructor led training).
David's YouTube videos have been viewed +2 million times.
David has been training Cisco and networking courses for 15+ years and has delivered instructor led courses in various countries around the world covering a wide range of Cisco topics from CCNA to CCIE.
He has also personally developed Cisco engineer utilities such as the VPN Config Generator, software, training materials, EBooks, videos and other products which are used throughout the world.
YouTube: https://www.youtube.com/davidbombal
Twitter: https://twitter.com/davidbombal
LinkedIn: linkedin.com/in/davidbombal
Course Curriculum
2025 Content
Available in
days
days
after you enroll
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StartRESET your Forgotten Ubuntu Password in 2 minutes (4:03)
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StartHow TCP really works: Top 3 things you need to know! (29:53)
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StartChallenge: Can Gen Z make calls with Vintage Phones (Rotary, Pulse, IP Phone and more)? (20:25)
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StartCookie Theft Demo: Bypass Two-Factor Authentication (2FA) (11:59)
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StartBurpsuite proxy browser and App Interception (5:55)
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StartDDoS Attacks (HTTP/2, DNS, Hacktivist) // Real World Technical Analysis (83:57)
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StartAdvanced Bruteforce WiFi WPA2 cracking with GPU and Hashcat (37:25)
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StartWSL Setup (GPU WiFi Cracking, Wireshark, Remote Desktop and a lot more) (28:29)
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StartLinux for Windows? (27:45)
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StartWant to get into Cybersecurity? This is where the jobs are! (26:55)
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StartMetasploit Hacking Demo (includes password cracking) (17:49)
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StartLOCAL Private Telephone System (PBX) with USA number for $1 a month (41:27)
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StartLeft school at 15 ... hacks and creates $$$ Billion dollar Cybersecurity company (25:09)
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StartThey Think Macs are Safe? Watch this Demo 😱 (21:02)
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StartLinus Tech Tips Cybersecurity? (10:44)
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StartTrust No One by default! (25:00)
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StartAI systems are being hacked! (15:36)
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StartAre AGI and humanoids coming in 2025? (19:43)
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StartPrivate & Uncensored Local LLMs in 5 minutes (DeepSeek and Dolphin) (9:02)
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StartAre VPNs even safe now? Hacker Explains (14:12)
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StartThe real DARK WEB 😱 // What Really Happens on the Dark Web (50:12)
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StartKeylogger vs Wireshark (20:58)
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StartHow To Learn AI in 2025 (If I Started Over) (32:54)
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StartTop Privacy Tools and Tips for 2025! (32:39)
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StartAI attacking AI is here (The New AI Red Team) (27:05)
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StartKali Linux install in 5 minutes (Microsoft Windows) - BAD or GOOD option? (11:03)
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StartYou want Privacy? Ditch iOS and Android and use the best privacy phone (2025 edition) (10:17)
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Start2025 Ethical Hacker Roadmap with lots of free training (NOT Sponsored) (37:52)
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StartHacking Tools (with demos) that you need to learn in 2025 (47:56)
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StartFREE Programming courses (Python, C, SQL and more) (70:28)
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StartFREE Ethical Hacking course (70 hours & includes Kali Linux labs) (56:12)
2024 Content
Available in
days
days
after you enroll
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StartSatellite hacking (with real world example) (46:01)
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StartBruteforce WiFi WPA2 with GPU (35:06)
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StartWill this even work today? (20:23)
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StartHacking websites with great demos! (XXE Hacks) (43:11)
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StartWill you get 10/10? How to stop e-mail spoofing with DMARC, SPF and DKIM (29:23)
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StartHack WiFi with a phone? (Kali Linux Nethunter Pro) (19:59)
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StartHow to be invisible online in 6 minutes (Whonix - Superior Internet Privacy) (11:44)
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StartFree Private Phone System (PBX) (14:10)
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StartMassive News! Free Network Simulation Tool for Everyone! (Cisco CML) (16:51)
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StartHacker unlocks crypto secrets (not what you think) (93:23)
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StartKali Linux USB persistence the right way (19:19)
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Startthe most advanced SPYING device ever created? (54:57)
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StartKali Linux NetHunter install in 8 minutes (rootless) and includes Android 15 (10:36)
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StartHave you been hacked? Hacker explains how to find out! (52:18)
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StartAre You ready for 2025? (55:06)
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StartMalware Demo and Tutorial (57:02)
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StartCan this Mind Blowing 🤯 Reverse Shell be stopped? (Powershell Hack) (73:17)
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StartHacking ARP with Python and Kali Linux (and capture passwords) (20:02)
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StartYou need to learn this! Unlock the Power of AI (Artificial Intelligence) // FREE CCNA 200-301 Course (38:20)
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StartCar Privacy and Security Nightmare: Hackers track and control cars with just license plate number 😱 (35:11)
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StartAre phones and cars next? Hacker explains: The Cybersecurity threat you need to worry about? (31:10)
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StartHack a network and capture passwords using Python and Kali Linux // FREE CCNA 200-301 Course (18:05)
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StartNever access the Dark Web without doing this! (Tor and Telegram demos) (31:03)
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StartIs it True or Fake? Card Cloning like Mr Robot and stealing details in second (40:41)
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StartWiFi Hacking Watch (Next Level Stealth) (10:36)
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StartHacking networks with Python (FREE CCNA 200-301 Course 2024) (30:20)
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StartFREE CCNA 200-301 Course 2024 // Complete Practical CCNA v1.1 with real equipment (13:27)
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StartAre AI powered WiFi systems the future? (29:47)
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StartHow they use Bluetooth to target your car (44:05)
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StartReverse Engineering 101 tutorial with the amazing Stephen Sims! (78:47)
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StartNew Cybersecurity Certification? (1:50)
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StartCracking WiFi WPA2 Handshakes (And does it work with WPA3?) (19:34)
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StartReal World OSINT and Cyber Threat Intelligence Tips and Tricks (71:54)
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StartThe Dark Side of AI: Hacking with AI and Exploiting AI Security Flaws (40:07)
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StartHow to be Invisible Online using Expert OSINT techniques (70:38)
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StartHow did a Teenager use an Amazon Firestick to launch the Hack of Rockstar Games and leak GTA 6? (17:51)
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StartHacking Roadmap to Success: AMA with The Cyber Mentor and FREE training! (81:42)
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StartNext Gen Hackers are NEXT level 🤯 (70:04)
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StartHack your water and electricity! Myth or Reality? (23:21)
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StartNever use a Docker container without doing this first! (And don't create one either!) (26:21)
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StartReclaim your Privacy! Ditch Android & Apple! (22:12)
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StartThe Future of Cybersecurity with Cisco & Splunk's $28 billion investment! (35:29)
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StartThe Cisco NVIDIA AI Network is here! (23:06)
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StartWiFi Security Myths Demo: Don't believe that these will protect you! (24:26)
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StartDid you know this about Linux? // Linux for Hackers Ep 5 (39:19)
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StartInstall Nessus for Free and scan for Vulnerabilities (New Way) (15:26)
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StartThe best stealthy WiFi hacking device? (12:13)
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StartYou have to look out for these hacks in 2024! (plus get FREE training) (43:57)
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StartAndroid Bluetooth Hacking (35:38)
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StartHacking Wordpress with Python in seconds (using Dark Web and Telegram data) (10:37)
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StartReal World Windows Pentest Tutorial (demos of Top 5 Active Directory hacks) (101:52)
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StartYour VPN won't protect you 😱 (63:24)
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StartThe new AI Cyber Defense you need to know about (37:46)
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StartNext Gen Hackers protecting our world (57:38)
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StartBlack Hat Bash: Bash Scripting for Hackers and Pentesters (Bonus: GraphQL and Drone hacking) (36:01)
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StartYou ever seen these devices? (36:53)
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StartDemo of the NSA Hack that got Hacked (with OTW) (54:36)
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StartMind Blowing 🤯 Reverse Shell Demo with DNS data bouncing exfiltration! (71:48)
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StartNetwork Chuck Hacked YouTube! Learn how RIGHT NOW!! (90:52)
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StartAI just replaced us with Devin... seriously? Dr Chuck! (7:26)
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StartHackers remotely hack millions of cars! (4:49)
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StartIs your WiFi secure? (Don't make these mistakes) (27:20)
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StartFlipper Zero vs "Proper" Hacking Tools (40:02)
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StartTop 10 FREE OSINT tools (with demos) for 2024 - And FREE OSINT course! (71:19)
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StartTop 5 Wireshark tricks to troubleshoot SLOW networks (42:59)
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StartFree Hacking API courses (And how to use AI to help you hack) (53:46)
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StartWhy hack in when you can just log in? (22:24)
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StartLinux for Hackers: LINUX commands you need to know (with OTW) // Ep 6 (21:40)
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StartAI superpowered networks? (NVIDIA and Cisco join forces) (17:57)
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StartThe AI Cybersecurity future is here (26:41)
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StartFree Complete Course: You need to learn this programming language to be a senior developer! (34:35)
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StartThey're watching you 😱 Protect your online PRIVACY! (66:03)
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StartFree Web Hacking Course (Includes Server-side request forgery SSRF) (50:09)
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StartThe best Hacking Courses & Certs? Your 2024 roadmap to Pentester success. (57:39)
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StartFree OSINT course and resources: How you can get started in 2024 (63:19)
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StartMind blowing 🤯 $20 million USD bounties! (Zero to Hero Money Hacking Roadmap) (99:48)
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StartHack your life (with demos) and get Superpowers! (63:46)
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StartIs it the end? (Or can YOU do something in 2024?) (75:00)
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StartYou need to learn AI in 2024! (And here is your roadmap) (45:20)
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StartTop Hacking Books for 2024 (plus Resources): FREE and Paid (59:44)
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StartHacking Tools (with demos) that you need to learn in 2024 (87:33)
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StartWhat are you going to do in 2024? Tops 5 skills to get! (31:04)
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Start2024 Roadmap to Master Hacker (52:57)
2023 Content
Available in
days
days
after you enroll
-
StartWiFi hacking like Mr Robot (with OTW) (36:34)
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StartNext Gen Hacker? (43:02)
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StartFirewalls just changed forever! (Can your firewall do this?) (42:17)
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StartNetworking for Hackers and Cybersecurity professionals (How long until you learn something new?) (33:37)
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StartMulticast is just Weird.... Doesn't even know who gets it? (32:02)
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StartMercenary PREDATOR Spyware and other THREATS (plus FREE training) (48:47)
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StartLinux for Hackers Python pip, Git, Apt NEW Tools Install with OTW! (Episode 4) (27:57)
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StartKali Linux NetHunter Android install in 8 minutes (rootless) (9:32)
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StartRaspberry Pi 5 Kali Linux install in 10 minutes (with WiFi hacking) (12:03)
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StartLinux Networking that you need to know (Episode 3) Part 1 (26:27)
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StartLinux Networking that you need to know (Episode 3) Part 2 (27:38)
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StartFlipper Zero Wireless remote control (Bad USB and Mouse Jacking) (9:46)
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StartLinux for Hackers Tutorial with OTW! Part 1 (24:17)
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StartLinux for Hackers Tutorial with OTW! Part 2 (23:02)
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StartIs your phone at risk? Flipper Zero vs Phone! (6:36)
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StartTop 10 Real World Wireshark Filters you need to know Part 1 (25:29)
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StartTop 10 Real World Wireshark Filters you need to know Part 2 (24:39)
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StartFlipper Zero Demo: WiFi Marauder, Wireshark and Hashcat! (14:23)
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StartRaspberry Pi 5 is here! (and I TESTED it) (13:02)
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StartHow this hacker Hacked NASA in 60 seconds (Real World Tutorial) Part 1 (25:41)
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StartHow this hacker Hacked NASA in 60 seconds (Real World Tutorial) Part 2 (23:31)
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StartYOU have NO excuse now! (Be like Stefan!) Part 1 (27:14)
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StartYOU have NO excuse now! (Be like Stefan!) Part 2 (35:02)
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StartLinux for Hackers Tutorial (And Free Courses) Part 1 (31:45)
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StartLinux for Hackers Tutorial (And Free Courses) Part 2 (40:04)
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StartInstall Kali Linux on Windows 11 for FREE (18:50)
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StartTails Linux USB with Persistence (Be invisible online in 7 minutes) (10:46)
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StartKali Linux USB Live Boot with Persistence (in 5 minutes) (6:55)
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StartBuffer Overflow Hacking Tutorial (Bypass Passwords) Part 1 (24:29)
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StartBuffer Overflow Hacking Tutorial (Bypass Passwords) Part 2 (31:09)
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StartHow to Dual Boot Kali Linux and Windows (in 10 minutes) (12:30)
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StartReal World Hacking with OTW (Privacy and Cybersecurity IoT warning) Part 1 (25:08)
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StartReal World Hacking with OTW (Privacy and Cybersecurity IoT warning) Part 2 (24:17)
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StartYou want Privacy? Ditch Android & Apple and install GrapheneOS (in 8 minutes) (8:51)
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StartReal World Hacking Tools Tutorial (Target: Tesla) Part 1 (40:47)
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StartReal World Hacking Tools Tutorial (Target: Tesla) Part 2 (41:40)
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StartNSA Backdoor in Windows? This and more from the guy who created Windows Task Manager! Part 1 (30:10)
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StartNSA Backdoor in Windows? This and more from the guy who created Windows Task Manager! Part 2 (23:00)
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StartSQL Injection Hacking Tutorial (Beginner to Advanced) Part 1 (20:38)
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StartSQL Injection Hacking Tutorial (Beginner to Advanced) Part 2 (35:58)
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StartCan ChatGPT and Google Bard build me an Exam Quiz Website? (29:08)
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StartReal World Hacking Demo with OTW Part 1 (20:12)
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StartReal World Hacking Demo with OTW Part 2 (20:38)
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Start2023 Top 3 Tips (Bug Bounty) (26:36)
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StartReal Talk. Watch and Learn. (23:05)
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StartTop 3 Cybersecurity Career Tips (from Ex-NSA Hacker) Part 1 (27:24)
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StartTop 3 Cybersecurity Career Tips (from Ex-NSA Hacker) Part 2 (40:14)
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StartChatGPT takes Control - Is this the Future? (Like Star Trek: The Next Generation?) (9:27)
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StartPegasus Spyware: so dangerous that it should be banned? OTW explains. Part 1 (22:56)
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StartPegasus Spyware: so dangerous that it should be banned? OTW explains. Part 2 (24:46)
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StartWiFi hacking with a Raspberry Pi and Parrot OS (16:05)
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StartThe Emerging Technologies of AI, Edge and Quantum computing that are important to know about... (25:10)
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StartCybersecurity's BIG Problem. Why it needs to change. (23:51)
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StartCybersecurity and Networking just changed! (28:30)
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StartI got Pwned ... and so did you! (you're likely in the 12 Billion) Part 1 (25:54)
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StartI got Pwned ... and so did you! (you're likely in the 12 Billion) Part 2 (37:23)
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StartWindows Pentest Tutorial (Active Directory Game Over!) Part 1 (55:58)
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StartWindows Pentest Tutorial (Active Directory Game Over!) Part 2 (53:45)
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StartWhat's the Future of AI in Cybersecurity and Hacking (are we doomed)? Part 1 (20:47)
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StartWhat's the Future of AI in Cybersecurity and Hacking (are we doomed)? Part 2 (22:48)
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StartIt's DNS again 😢 Did you know this Malware Hack? (18:20)
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StartKali NetHunter Pro in 6 minutes (6:50)
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StartHis new gadget any good? (Can he catch me?) (20:42)
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StartHow to be Invisible Online (and the hard truth about it)... Part 1 (26:53)
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StartHow to be Invisible Online (and the hard truth about it)... Part 2 (26:22)
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StartRaspberry Pi Availability Update and Painful decisions (Eben Upton Interview) Part 1 (27:24)
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StartRaspberry Pi Availability Update and Painful decisions (Eben Upton Interview) Part 2 (38:44)
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StartEben Upton Interview (Raspberry Pi Behind the Scenes) (16:50)
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StartKali Linux TP-Link TL-WN722N install (1 command fix) (7:03)
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StartDon't mess with this guy ... Pentester Blueprint Part 1 (25:40)
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StartDon't mess with this guy ... Pentester Blueprint Part 2 (26:44)
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StartDeep Dive OSINT (Hacking, Shodan and more!) Part 1 (25:35)
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StartDeep Dive OSINT (Hacking, Shodan and more!) Part 2 (25:16)
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StartThe best Hacking Cert just got updated (OSCP PEN-200) Part 1 (27:20)
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StartThe best Hacking Cert just got updated (OSCP PEN-200) Part 2 (27:41)
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StartHacking IoT devices with Python (it's too easy to take control) (9:22)
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StartKali Linux NetHunter with WiFi support (rooted Android install) (13:30)
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StartRoot Android (Kali Linux NetHunter install) (17:25)
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StartThe best Hacking Courses & Certs (not all these)? Your roadmap to Pentester success Part 1. (20:25)
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StartThe best Hacking Courses & Certs (not all these)? Your roadmap to Pentester success Part 2. (18:55)
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StartFree AI Lab (ft Dr Mike Pound of Computerphile fame) Part 1 (14:54)
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StartFree AI Lab (ft Dr Mike Pound of Computerphile fame) Part 2 (13:38)
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StartPass or Fail? Which is the best? (14:41)
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StartWill ChatGPT take our jobs? Part 1 (12:58)
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StartWill ChatGPT take our jobs? Part 2 (13:19)
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StartFuture of WiFi? Part 1 (7:54)
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StartFuture of WiFi? Part 2 (8:15)
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StartIs AI the biggest Cybersecurity Threat in 2023? Part 1 (19:58)
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StartIs AI the biggest Cybersecurity Threat in 2023? Part 2 (20:29)
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Start9 seconds to break a WiFi network using Cloud GPUs Part 1 (15:06)
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Start9 seconds to break a WiFi network using Cloud GPUs Part 2 (14:42)
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StartRoadmap to ChatGPT and AI mastery Part 1 (15:20)
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StartRoadmap to ChatGPT and AI mastery Part 2 (16:02)
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StartHide secret files in music and photos (just like Mr Robot) Part 1 (15:39)
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StartHide secret files in music and photos (just like Mr Robot) Part 2 (15:39)
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StartShe hacked a billionaire, a bank and you could be next. Do this now to protect yourself! Part 1 (25:35)
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StartShe hacked a billionaire, a bank and you could be next. Do this now to protect yourself! Part 2 (33:00)
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StartTop 3 things you need to change in 2023 Part 1 (24:02)
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StartTop 3 things you need to change in 2023 Part 2 (27:12)
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Start2023 Network Engineer path to success: CCNA? Part 1 (22:02)
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Start2023 Network Engineer path to success: CCNA? Part 2 (32:33)
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Start2023 Path to Master Programmer (for free) Part 1 (9:35)
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Start2023 Path to Master Programmer (for free) Part 2 (10:15)
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StartBest Programming Language Ever? (Free Course) Part 1 (22:46)
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StartBest Programming Language Ever? (Free Course) Part 2 (21:44)
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StartWhat are you going to do in 2023? Tops 5 skills to get! Part 1 (9:09)
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StartWhat are you going to do in 2023? Tops 5 skills to get! Part 2 (9:45)
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Start2023 Path to Master Hacker Part 1 (11:48)
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Start2023 Path to Master Hacker Part 2 (14:06)
Frequently Asked Questions
When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
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