The Cybersecurity Defenders Podcast·May 4, 2026·36m·Episode #318

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

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She'll walk through the security challenges unique to generative AI and ML-based architectures, and cover the four critical components: Model, Data, Application, and System, that organizations need to secure to maintain integrity.

Katherine works for Cisco as a Cybersecurity Systems Engineer by day and by night, she's labbing and trying new things with the resources she has available. Katherine loves technology and getting her hands into the CLI or trying something new. She holds a Bachelors of Science and Masters of Information Security and Assurance from Western Governors University as well as several industry certifications.

Join us every Friday at 10:30am PT for live, interactive discussions with industry experts. Whether you're a seasoned professional or just curious about the field, these sessions offer an engaging dialogue between our guests, hosts, and you – our audience.

Subscribe to our YouTube channel and hit the notification bell to never miss a live session or catch up on past episodes!

Sponsored by LimaCharlie

This episode is brought to you by LimaCharlie, a cloud-native SecOps platform where AI agents operate security infrastructure directly. Founded in 2018, LimaCharlie provides complete API coverage across detection, response, automation, and telemetry, with multi-tenant architecture designed for MSSPs and MDR providers managing thousands of unique client environments.

Why LimaCharlie?

Transparency: Complete visibility into every action and decision. No black boxes, no vendor lock-in.
Scalability: Security operations that scale like infrastructure, not like procurement cycles. Move at cloud speed.
Unopinionated Design: Integrate the tools you need, not just those contracts allow. Build security on your terms.
Agentic SecOps Workspace (ASW): AI agents that operate alongside your team with observable, auditable actions through the same APIs human analysts use.
Security Primitives: Composable building blocks that endure as tools come and go. Build once, evolve continuously.

Try the Agentic SecOps Workspace free: https://limacharlie.io

Learn more: https://docs.limacharlie.io/

Follow LimaCharlie

LinkedIn: / limacharlieio

X: https://x.com/limacharlieio

Community Discourse: https://community.limacharlie.com/

Host: Maxime Lamothe-Brassard - CEO / Co-founder at LimaCharlie

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

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 the security challenges unique to generative AI and ML-based architectures, and cover the four critical components: Model, Data, Application, and System, that organizations need to secure to maintain integrity. Katherine works for Cisco as a Cybersecurity Systems Engineer by day and by night, she's labbing and trying new things with the resources she has available. Katherine loves technology and getting her hands into the CLI or trying something new. She holds a Bachelors of Science and Masters of Information Security and Assurance from Western Governors University as well as several industry certifications. Register for Live Sessions Join us every Friday at 10:30am PT for live, interactive discussions with industry experts. Whether you're a seasoned professional or just curious about the field, these sessions offer an engaging dialogue between our guests, hosts, and you – our audience. Register here: https://limacharlie.io/defender-fridays Subscribe to our YouTube channel and hit the notification bell to never miss a live session or catch up on past episodes! Sponsored by LimaCharlie This episode is brought to you by LimaCharlie, a cloud-native SecOps platform where AI agents operate security infrastructure directly. Founded in 2018, LimaCharlie provides complete API coverage across detection, response, automation, and telemetry, with multi-tenant architecture designed for MSSPs and MDR providers managing thousands of unique client environments. Why LimaCharlie? Transparency: Complete visibility into every action and decision. No black boxes, no vendor lock-in. Scalability: Security operations that scale like infrastructure, not like procurement cycles. Move at cloud speed. Unopinionated Design: Integrate the tools you need, not just those contracts allow. Build security on your terms. Agentic SecOps Workspace (ASW): AI agents that operate alongside your team with observable, auditable actions through the same APIs human analysts use. Security Primitives: Composable building blocks that endure as tools come and go. Build once, evolve continuously. Try the Agentic SecOps Workspace free: https://limacharlie.io Learn more: https://docs.limacharlie.io/ Follow LimaCharlie Sign up for free: https://limacharlie.io/ LinkedIn: / limacharlieio X: https://x.com/limacharlieio Community Discourse: https://community.limacharlie.com/ Host: Maxime Lamothe-Brassard - CEO / Co-founder at LimaCharlie