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by David Bombal
Want to learn about IT? Want to get ahead in your career? Well, this is the right place! On this channel, I discuss Python, Ethical Hacking, Networking, Network Automation, CCNA, Virtualization and other IT related topics. This YouTube channel has new videos every week! Subscribe for technical, detailed, no fluff content.
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- 2 days ago31 min
#594: How to Protect Your Network From Insecure IoT Devices
Hackers are using overlooked IoT devices such as IP cameras, printers and smart speakers to gain access to networks and spread ransomware. Philip Wylie explains how an outdated IP camera became a ransomware gateway, why default passwords and poor segmentation remain serious risks, and how to protect your network using separate VLANs, firmware updates, monitoring and zero-trust controls. The interview also explores medical devices, OT security, AI-enabled devices and the growing demand for IoT penetration-testing skills. Big thanks to ThreatLocker for sponsoring my trip to ZTW26 and also for sponsoring this video. To start your free trial with ThreatLocker please use the following link: https://www.threatlocker.com/davidbombal // Philip Wylie’s SOCIAL // X: https://x.com/phillipwylie LinkedIn: / phillipwylie YouTube: / @phillipwylie Instagram: / phillipwylie // Book REFERENCE // The Pentester Blueprint Phillip Wylie: US: https://amzn.to/4jkigAa UK: https://amzn.to/42vShPB // YouTube video REFERENCE // Pentester Blueprint: Your Road to Success: • Pentester Blueprint: Your road to success How to hack IP Cameras (Ethically) and learn IoT hacking: • How to hack IP Cameras (Ethically) and lea... // Website REFERENCE // https://training.brownfinesecurity.com/ // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming Up 0:56 - Intro 03:08 - The Weakness in Pen-testing 07:38 - How Do Hackers Get Access? 11:30 - How To Protect IoT Devices 14:36 - Dangers of Medical IoT Devices 18:24 - Countries Banning IoT Devices 20:46 - Phillip's Recommendations 22:42 - What is Exploit DB 27:30 - How Vulnerable Are You? 28:28 - Advice To The Youth 29:40 - How To Start Learning 31:15 - Conclusion 31:23 - Threatlocker Advert Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #iot #iothacking #security
- 1 weeks ago36 min
#593: How to pass the CCNA exam (advice from two Cisco instructors)
Two Cisco training veterans break down how to know you are ready for the CCNA exam, what changes in CCNA 2.0, and whether the CCNA is still worth it in 2026. Brian Bays has been teaching official Cisco classes since 2000. Michael Aldridge has been writing practice exam content since 2001. In this interview they answer the questions I get asked constantly: how long should I study, do I need physical equipment, should I do Network Plus first, and is AI going to take these jobs away? Short answer on that last one: they have heard this before. Automation was going to end tech jobs. Then virtualization. Then cloud. Every time, it just made good engineers more productive. Junior engineers become senior engineers, and we cannot function without senior engineers. We also cover what is coming in CCNA 2.0, including more troubleshooting woven through every section, a dark mode option, a full screen CLI, and the ability to send a command to every device in a lab at once. This video is not sponsored. I have known Brian and Michael for years and I recommend them because I rate them, not because anyone paid for this. Get CCNA Certified with Boson’s comprehensive training solutions: https://boson.com/certifications/ccna/ // Bryan Baize SOCIAL // LinkedIn: / bbaize // Michael Aldridge SOCIAL // LinkedIn: / michael-aldridge-48125338a Reddit: / bosonmichael // Boson LinkedIn // LinkedIn: / boson // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming up 01:01 - Introductions 03:55 - When will you be ready for the CCNA exam? 08:34 - Overwhelming exam resources 11:14 - Do you need physical equipment for the CCNA exam? 13:52 - Mistakes preparing for the exam 16:56 - The learning never stops 17:57 - CCNA vs Network+ 19:52 - What is Boson NetSim? 20:53 - What is Boson ExSim? 21:37 - NetSim vs Packet Tracer 22:37 - Why trust Boson? 24:46 - Tips for passing the CCNA exam 25:37 - How long should you study for the CCNA exam? 27:34 - New CCNA exam expectations 29:27 - Mistakes when taking the exam 31:52 - Topics students struggle with 33:26 - Important resources 35:23 - Conclusion Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #boson #ccna #networkengineer
- 2 weeks ago37 min
#592: Why most enterprise AI fails (and how to succeed)
Agentic AI is putting a 400x load on enterprise networks. Cisco and NTT Data experts reveal why only 13% of leaders successfully scale AI, the nightmare of quantum threats, and how to secure your infrastructure. Big thank you to NTT DATA for sponsoring this video. Book an AI Infrastructure Readiness Assessment using one of the following links: https://services.global.ntt/en-us/cam... or https://services.global.ntt/en-us/cam... // Vikesh Gumpalli’s SOCIAL // LinkedIn: / vgumpalli // Vance Baran’s SOCIAL // LinkedIn: / vancebaran // Website REFERENCE // https://www.nttdata.com/global/en/ https://www.nttdata.com/en-us/2026-gl... // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming Up 01:09 - Introduction 03:04 - Enterprise AI Adoption: The Board-Level Challenge 05:02 - How AI Agents Are Reshaping Network Infrastructure 07:22 - AI Agent Access, Sensitive Data and Security Risks 10:24 - Cybersecurity at Machine Speed and Modernising Security 14:08 - AI Budgets, ROI and Business Readiness 15:00 - AI’s Impact on Jobs and an Insurance Case Study 19:08 - Data Sovereignty and Custom AI Models 22:18 - AI Factories, Edge Deployment and Public-Sector Use Cases 26:31 - Preparing for Quantum-Safe Security 28:43 - Managing Multi-Vendor Environments and Security Readiness 32:09 - Live Protect and Hybrid Mesh Firewalls 34:04 - Splunk, Galileo, AI Observability 36:33 - Where to Learn More Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only.
- 2 weeks ago26 min
#591: Inside the Cisco Live 2026 NOC (exclusive tour)
Big thanks to Cisco for sponsoring my trip to Cisco Live EMEA and for changing my life and the lives of many other people. // Joe Clarke SOCIAL // LinkedIn: / joeclarke2 // YouTube video REFERENCE // MCP Demo using Python, AI and a self healing network (Model Context Protocol): • MCP Demo using Python, AI and a self heali... Do you know what this weird IP address is about? (192.0.0.2): • Do you know what this weird IP address is ... // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming Up 01:11 - Introduction 02:34 - The Backup Network Operation Center (NOC) 04:30 - The Security in the NOC 07:38 - Joe Clark Shares a Story 10:23 - Improvements with MCP 12:50 - Equipment Demonstration 16:16 - Physical Security & Physical Separation 17:53 - IPv6 & Other Updates 19:56 - Why IPv6? 22:42 - The Interface Dashboard Monitors 24:53 - Tips & Tricks 25:49 - Conclusion & Outro Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #noc #network #cisco
- Jul 2, 202644 min
#590: CCNA 2.0: What did Cisco just remove from the exam?
Big thanks to Cisco for sponsoring this video and sponsoring my trip to Cisco Live Vegas. Cisco has officially announced a major update to the CCNA, moving from version 1.1 to the new CCNA 2.0 blueprint. Recorded live at Cisco Live, David Bombal sits down with Cisco certification insiders Hank and Quinn to dissect exactly what these changes mean for your career, what entry-level networking topics have been completely removed, and how the test is shifting heavily toward hands-on performance-based testing lablets. Learn why traditional, shallow network automation topics were pulled to make room for 2026 enterprise priorities like Agentic AI, digital network assistants, and secure device management (including mandatory AAA, secure copy protocols, and client-side security). The team breaks down the structural consolidation from six domains down to five, including the revamped 25% weight on Switching and Network Access and the newly introduced AI Network Operations and Management domain. Whether you are currently studying for your exam or just beginning your networking journey, this comprehensive breakdown explains how to align your lab practice using free tools like Cisco Packet Tracer and Cisco Modeling Labs (CML) to become truly job-ready. // Hank Preston SOCIAL // LinkedIn: / hpreston // Quinn Snyder SOCIAL // LinkedIn: / qsnyder // Website REFERENCE // https://u.cisco.com/tutorials https://www.netacad.com/ // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming Up 0:58 - Intro 03:51 - What Are 'Verbs'? 05:08 - New Blueprint Tasks 09:03 - Is Automation Important? 12:46 - AI in the CCNA Blueprint 15:15 - New Blueprint Additions and Changes 18:49 - Old and New Domains 25:21 - Hands-On Practice 29:18 - What is the 'Diagnose' verb? 30:50 - What is the 'Validate' verb? 32:11 - What is the 'Interoperate' verb? 33:13 - When Should You Take The CCNA? 35:42 - Do You Need Hardware to Study? 36:40 - Available Study Materials 40:03 - How To Cope with Studying for CCNA 42:22 - Conclusion Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #ccna #cisco #cml
- Jun 30, 202631 min
#589: How to run an AI agent INSIDE your network CLI for 2026
Big thanks to Cisco for sponsoring this video and sponsoring my trip to Cisco Live Vegas 2026. Network engineers, are you ready for 2026? Learn how to deploy an AI agent directly into your CLI using Cisco MCP and Claude to automate network configurations safely. In this tutorial with Karim from Cisco, we explore how to build a custom AI skill (Iris) using Anthropic's Claude Code and Cisco's Model Context Protocol (MCP). Watch how an agent can live in your terminal to automatically read ServiceNow tickets, discover network topologies, propose BGP/firewall changes, and execute commands while keeping a "human in the loop" to prevent hallucinations. Perfect for CCNA/CCIE candidates and anyone looking to learn agentic AI without adopting complex Python programmability. // Kareem Iskander’s SOCIAL // LinkedIn: / kiskander X:Chttps://x.com/kareem_isk // Repo Link REFERENCE // https://github.com/kiskander/iris // Website REFERENCE // https://u.cisco.com/tutorials // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming Up 0:39 - Intro 01:57 - Why Network Engineers Are Returning to the CLI 03:24 - The Real Cost of AI Token Usage 04:10 - What Is an Agent Skill? 05:17 - Network Automation Use Case: AWS to On-Prem Connectivity 07:40 - Building Iris, an AI Network Agent 09:17 - Setting AI Safety Rules and Defining the Workflow 12:17 - Security, Local Models and Private AI Environments 15:16 - Using Existing Automation Playbooks with AI 16:34 - Live Demo: Running Iris in the CLI 18:34 - Using AI to Analyse CLI Commands and Logs 20:11 - Using Iris to Read ServiceNow Tickets and Plan Network Changes 22:06 - AI, CCIE Skills and Firewall Recommendations 25:18 - Getting Iris from GitHub, Safety Concerns and Learning Resources Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #ai #claudeskills #aiautomation
- Jun 30, 202622 min
#588: Which is Ethernet? What's the difference?
Big thank you to DeleteMe for sponsoring this video. Use my link https://joindeleteme.com/Bombal to receive a 20% discount or use the QR Code in the video. Also, a Big thanks to Cisco for sponsoring my trip to Cisco Live Vegas 2026. Do you really need Cat 8 Ethernet for your home network in 2026? And what actually happens when you touch the end of a fiber optic cable? We break it all down with hands-on demos. At Cisco Live, I caught up with Jim from Fluke Networks to dive deep into the physical layer of networking. We strip away the marketing hype and look at the real-world performance of both copper and glass. In this video, we cover everything from the crucial safety reasons why you should never look into a fiber cable, to a microscope demonstration showing how a single speck of dirt or finger oil can cause frame errors and take down your SFP modules. We also run a live cable certification test on Cat 6 vs Cat 8 to show you exactly why Cat 6A is all you actually need for your home network, and how pros use an OTDR to find exact breaks in long fiber runs. If you want to build or troubleshoot networks effectively, you need to understand the physical layer. // Jim Davis from Fluke Networks SOCIAL // LinkedIn: / jimdavisflukenetworks Website: https://www.flukenetworks.com/ // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming up 0:31 - Introduction 1:31 - Don't touch fiber optic cables! 04:53 - Single vs Multi-mode fiber 08:04 - Don't look directly into a fiber optic cable! 09:13 - DeleteMe sponsor segment 11:03 - How to find a break in a cable 16:01 - Can ethernet copper cables get dirty? 18:12 - How to test ethernet cables 20:00 - The future of ethernet 21:45 - Conclusion Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #fluke #fiberoptics #ethernetcable
- Jun 24, 202616 min
#587: Agentic AI is attacking your network (how to defend it)
Are your legacy network devices a ticking time bomb? In this deep dive, Cisco’s Head of Customer Experience reveals alarming statistics from the latest Talos report: 40% of top vulnerabilities directly target end-of-life devices, and 32% are over a decade old. We explore how older infrastructure has transitioned from a mere operational drag to ground zero for a new generation of agentic AI attacks, and why the looming threat of quantum computing breaking RSA encryption means you must assess your network now. Discover how the newly launched Cisco IQ provides real-time, dynamic visibility into hardware, software, and cryptographic assets. Learn how this powerful GPS for your network connects hidden operational trails, automates TAC troubleshooting, and ensures your enterprise is quantum-ready before post-Mythos era threats cause catastrophic downtime. A big thank you to Cisco for sponsoring this video and for sponsoring my trip to Cisco Live Vegas 2026. // Liz Centoni SOCIAL// LinkedIn: / lizcentoni Blogs: https://blogs.cisco.com/customerexper... https://blog.talosintelligence.com/20... // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming Up 01:03 - Intro 01:45 - Quantum Ready Assessments 04:35 - Other Cyber Threats 05:11 - Cisco IQ 08:41 - Cisco Assisting Customers 12:39 - Deploying Technolgy 13:24 - Customers Using Cisco IQ 16:18 - Conclusion Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #cisco #ciscoiq #quantum
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About David Bombal
Want to learn about IT? Want to get ahead in your career? Well, this is the right place! On this channel, I discuss Python, Ethical Hacking, Networking, Network Automation, CCNA, Virtualization and other IT related topics. This YouTube channel has new videos every week! Subscribe for technical, detailed, no fluff content.
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