The Cybersecurity Defenders Podcast

LimaCharlie

Cybersecurity

Artificial Intelligence

Limacharlie

Ransomware

Incident Response

Compliance

Malware

AI In Cybersecurity

Security Operations

Threat Intelligence

CISA

Machine Learning

EDR

Cloud Security

Microsoft

Vulnerability Management

Browser Security

Digital Forensics

Social Engineering

Deepfake Technology

An accessible but technical podcast about cybersecurity and the people who keep the internet safe. The podcast is built as a series of segments: we will be looking back at the last couple of weeks in cybersecurity news, talking to different people in the industry about areas of their expertise, we're going to break apart some of the TTPs being used by adversaries, and we will even cover a little b... more

100 ratings

Publishes	Daily	Episodes	322	Founded	4 years ago
Number of Listeners		Categories	Tech NewsNewsTechnology

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Latest Episodes

Daily breach attempts target UAE, fake ransomware attack, PAN-OS vulnerability & Microsoft’s Phone Link attack / Intel Chat [#321]

In this episode of The Cybersecurity Defenders Podcast, we discuss some intel being shared in the LimaCharlie community.

• The cyber threat environment in the Middle East has intensified sharply following military operations involving Israel, the Un... more

Yesterday • 27 min

AI: The Hero's Journey with Ken Westin from LimaCharlie / Defender Fridays [#320]

In this episode, Ken Westin maps AI adoption onto the hero's journey framework, drawing on two decades of security experience to explore how practitioners can move past early resistance, build real fluency with AI tools, and find a working model wher... more

8 May 2026 • 31 min

Power systems under threat, Claude Mythos, suspicious KICS activity & JFrog / Intel Chat [#319]

In this episode of The Cybersecurity Defenders Podcast, we discuss some intel being shared in the LimaCharlie community.

• Researchers are raising concerns about a new cybersecurity risk emerging from the systems that regulate electrical power insid... more

6 May 2026 • 31 min

How AI adoption in enterprise infrastructure has expanded the attack surface with Katherine McNamara from Cisco / Defender Fridays [#318]

Today on Defender Fridays, Katherine McNamara, Cybersecurity Technical Solutions Architect at Cisco, joins us to discuss how AI and ML adoption in enterprise infrastructure has expanded the attack surface for AI-driven systems.

She'll walk through t... more

4 May 2026 • 36 min

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Recent Guests

David Chernitzky

CEO and co-founder of Armour Cybersecurity

Armour Cybersecurity

Episode: Cybersecurity is a core leadership issue & opportunity with David Chernitzky from Armour Cybersecurity [#317]

Jeff McJunkin

Jeff McJunkin, Rogue Valley Information Security

Rogue Valley Information Security

Episode: Real examples of AI-powered code scanning with Jeff McJunkin from Rogue Valley Information Security / Defender Fridays [#315]

J. Michael Daniel

President and CEO of the Cyber Threat Alliance

Cyber Threat Alliance

Episode: How can we improve global security? With J. Michael Daniel from Cyber Threat Alliance [#314]

Dylan Williams

Co-founder of Spectrum, security practitioner focused on detection engineering and AI agents

Spectrum

Episode: How do you know your AI agents are actually correct? With Dylan Williams from Spectrum Security / Defender Fridays [#312]

Terry Bradley

Founder and President of Mile High Cyber; cybersecurity professional with decades of experience in offensive and defensive security

Mile High Cyber

Episode: Understanding how attackers think & helping you avoid threats with Terry Bradley from Mile High Cyber [#311]

Joshua Neil

Founder of Alpha Level; threat detection expert with 25 years of experience

Alpha Level

Episode: Levelling up your AI SOC with Joshua Neil from Alpha Level / Defender Fridays [#309]

Michael Hamilton

CTO at PISCES International; expert in critical infrastructure cybersecurity

PISCES International

Episode: Why cyber analysts are crucial in protecting public infrastructure with Michael Hamilton from PISCES International [#308]

Justin Searle

Director of ICS Security at InGuardians

InGuardians

Episode: Bringing 40+ year old industrial security systems into the 21st century with Justin Searle from InGuardians [#304]

Stel Valavanis

Founder and chairman of Onshore Networks; longtime technology entrepreneur

Onshore Networks

Episode: How to think long-term growth in an AI-dominated industry with Stel Valavanis from onShore Networks [#302]

Hosts

Christopher Luft

Co-founder of LimaCharlie; long-running host with focus on defender-focused cybersecurity discussions and threat landscape analysis.

Maxime Lamothe-Brassard

Founder of LimaCharlie; hosts Defender Fridays; frequent collaborator on AI and security operations topics.

Matthew Bromley

Joining in for discussed cybersecurity news; contributes to analysis and discussion of threats.

Reviews

4.9 out of 5 stars from 100 ratings

Love the intel chats
Most useful security intel podcast I’ve found. Thanks guys, you help a lot.
Apple Podcasts
5
crackshot24
United States2 years ago
Great insight and learning
I love the variety of this podcast. All of the different shows are educational and entertaining.
Apple Podcasts
5
Tekgrunt
Canada3 years ago
Look forward to it every week.
This show is new to my podcast library but it’s quickly becoming one of my faves. Look forward to it coming out every week. Love the idea at the interviewer pulls you into the story.
Apple Podcasts
5
DMarijkeJ
Canada3 years ago
Great podcast!
Loving this podcast! They explain cybersecurity issues in an easy way to understand.
Apple Podcasts
5
GrandmaKeenan
United States4 years ago
Amazing!
This is such a fabulous podcast that is informative for anyone from laymen and cybersecurity experts! One of my new favorite shows!
Apple Podcasts
5
RHutchizle
United States4 years ago

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Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Highly practical security intel with approachable explanations.

Diverse topics from AI to threat intelligence keep it engaging.

Consistently educational for cybersecurity professionals.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts

#235

Saudi Arabia/Technology

Talking Points

Recent interactions between the hosts and their guests.

Real examples of AI-powered code scanning with Jeff McJunkin from Rogue Valley Information Security / Defender Fridays [#315]

Q: Before you get into the next stage, what was your process for writing the prompt and building the pipeline—did you use AI to write it, and how iterative was the flow?

The original stages were brainstormed manually and evolved over time; AI assisted later by enriching prompts with function call context and iterative prompts, but early iterations relied on manual design and structured prompts to steer analysis.

Why cyber analysts are crucial in protecting public infrastructure with Michael Hamilton from PISCES International [#308]

Q: What are the biggest blind spots you've seen in city networks, and how can policy help fix them?

The entitlement to use government tech for almost anything creates major risk, with broad exposure from personal email use to insecure devices. Policy changes like acceptable-use strengthening, SBOM requirements, and secure-by-default IoT standards can dramatically reduce attack surface without hampering essential services.

Why cyber analysts are crucial in protecting public infrastructure with Michael Hamilton from PISCES International [#308]

Q: What inspired you to focus on local government and critical infrastructure cybersecurity?

My career shift from private sector defense to public sector protection started with a realization that local governments are the backbone of daily life—water, transit, healthcare—and they deserve practical, scalable security that fits under tight budgets. This led to building no-cost monitoring for small jurisdictions and creating a pipeline of skilled analysts through partnerships with universities.

How do you know your AI agents are actually correct? With Dylan Williams from Spectrum Security / Defender Fridays [#312]

Q: What role does reinforcement learning or prompt engineering play in this QA process?

Both are used: reinforcement learning can fine-tune agent behavior over time, and prompt engineering helps steer agents using structured rubrics and trajectories. The goal is to turn raw interaction data into actionable, testable patterns that improve reliability at scale.

How do you know your AI agents are actually correct? With Dylan Williams from Spectrum Security / Defender Fridays [#312]

Q: How are you approaching QA for AI agents in a production environment?

The team combines human-in-the-loop review with scalable calibration mechanisms, using production traces to build rubrics, tests, and prompts that guide agents. They also implement guardrails and hard gates to prevent premature submissions and continuously iterate based on new edge cases.

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Frequently Asked Questions About The Cybersecurity Defenders Podcast

What is The Cybersecurity Defenders Podcast about and what kind of topics does it cover?

A technically accessible show that briskly covers weekly cybersecurity news, hands-on defender perspectives, and practical risk guidance, often tying in AI, AppSec, and security operations trends. Episodes frequently feature industry experts and practitioners who share real-world insights on threats, defenses, and the evolving tooling used by security teams. A standout element is the focus on defender-oriented takeaways, plus regular conversations with leaders from notable security vendors and research institutions, making it useful for practitioners seeking actionable intel and potential collaboration outlooks for sponsorship or guest opportunities.

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How many listeners does The Cybersecurity Defenders Podcast get?

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Which podcasts are similar to The Cybersecurity Defenders Podcast?

These podcasts share a similar audience with The Cybersecurity Defenders Podcast:

1. Cybersecurity Today
2. Defense in Depth
3. CyberWire Daily
4. CISO Series Podcast
5. SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

How many episodes of The Cybersecurity Defenders Podcast are there?

The Cybersecurity Defenders Podcast launched 4 years ago and published 322 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on The Cybersecurity Defenders Podcast?

Recent guests on The Cybersecurity Defenders Podcast include:

1. David Chernitzky
2. Jeff McJunkin
3. J. Michael Daniel
4. Dylan Williams
5. Terry Bradley
6. Joshua Neil
7. Michael Hamilton
8. Justin Searle

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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