CISO Series

Defense in Depth

Defense in Depth, hosted by David Spark, Steve Zalewski, Geoff Belknap, and Edward Contreras, promises clear talk on cybersecurity's most controversial and confusing debates. Once a week we choose one controversial and popular cybersecurity debate and use the InfoSec community's insights to lead our discussion.

Author

CISO Series

Category

Technology

Podcast website

cisoseries.com

Latest episode

Jul 9, 2026

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Episodes

Is the Cybersecurity Industry Solving Our Problems? 01.05.2019

Find all links and images from this episode on CISO Series ( https://cisoseries.com/defense-in-depth-is-the-cybersecurity-industry-solving-our-problems/ ) Is the cybersecurity industry solving our problems? We've got lots of new entrants. Are they doing anything new, or just doing the same thing slightly better? Check out this post and discussion for the basis of our conversation on this week's ep...

Vulnerability Management 25.04.2019

This is a special episode of Defense in Depth being shared on this feed. Find the full post with links and images on the CISO Series site here ( https://cisoseries.com/defense-in-depth-vulnerability-management/ ) So many breaches happen through ports of known vulnerabilities. What is the organizational vulnerability in vulnerability management? Check out this post and discussion and this one  for...

Privileged Access Management 17.04.2019

If you can't see all the show notes (with images and links) head here:  https://cisoseries.com/defense-in-depth-privileged-access-management-pam/ Where does privileged access management (PAM) fit in the order of operations? Check out this post and discussion and this one  for the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Serie...

Machine Learning Failures 10.04.2019

Full post for this episode ( https://cisoseries.com/defense-in-depth-machine-learning-failures/ ) Is garbage in, garbage out the reason for machine learning failures? Or is there more to the equation? Check out this post and discussion  for the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Series  and  Allan Alford  ( @AllanAlford...

Software Fixing Hardware Problems 04.04.2019

The full post (if you're not seeing links and images) can be found here ( https://cisoseries.com/defense-in-depth-software-fixing-hardware-problems/ ) As we have seen with the Boeing 737 MAX crashes, when software tries to fix hardware flaws, it can turn deadly. What are the security implications? Thanks to this week's podcast sponsor, Unbound Tech Check out this post and discussion  for the basis...

Tools for Managing 3rd Party Risk 28.03.2019

To see all the notes and links for this episode, go here ( https://cisoseries.com/ defense-in-depth-tools-for-managing-3rd-party-risk / ) Are there any good tools that really help to manage third-party risk? Can tools alone solve this problem? What else is required? Check out this post and discussion  for the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark...

CISO Burnout 21.03.2019

Are CISOs the most stressed individuals on a security team, or do mental health issues affect everyone in security? Check out this post and discussion  for the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Series  and  Allan Alford  ( @AllanAlfordinTX ), CISO at  Mitel . Our guest for this episode is Gary Hayslip ( @ghayslip ), CI...

RSA 2019: Success or Failure? 14.03.2019

Is the RSA Conference a must attend for security professionals? Or is it enough to "just be in San Francisco that week"? Check out this post and discussion for the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Series  and  Allan Alford  ( @AllanAlfordinTX ), CISO at  Mitel . Our guest for this episode is Tyson Martin , CISO for Lu...

Security IS the Business 07.03.2019

If a company's brand and value is built on trust, then your security department is critical to building the value of the company. Check out this post and discussion for the basis of our conversation on this week's episode which is co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Series  and  Allan Alford  ( @AllanAlfordinTX ), CISO at  Mitel . Our guest for this episode is Scott Mc...

Threat Intelligence 27.02.2019

Do companies who deliver "threat intelligence" deliver on that promise, or is there more the customer needs to bring to the table to be able to take action? Check out this post and discussion for the basis of our conversation on this week's episode which is co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Series  and  Allan Alford  ( @AllanAlfordinTX ), CISO at  Mitel . Our sponsor...

Secure Controls Framework 21.02.2019

Defense in Depth  is available at  CISOSeries.com . Is the "free to use" Secure Controls Framework the one meta-framework to rule them all? Check out this post and discussion for the basis of our conversation on this week's episode which is co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Series  and  Allan Alford  ( @AllanAlfordinTX ), CISO at  Mitel . Our guest is Tom Cornelius ,...

Insider Threats 14.02.2019

Defense in Depth  is available at  CISOSeries.com . Is your own staff the greatest threat to the security of your company? On this episode of  Defense in Depth we discuss protecting your business from itself. Check out this post and discussion for the basis of our conversation on this week's episode which is co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Series  and  Allan Alford...

Building an Information Security Council 07.02.2019

Defense in Depth is part of the CISO Series network, which can be found at CISOseries.com . Security for the business affects everyone and all departments. On this episode of  Defense in Depth we discuss the values and difficulties of building an information security council.  Check out this post and discussion for the basis of our conversation on this week's episode which is co-hosted by me,  Dav...

Privacy 31.01.2019

Will the privacy outcry and new regulations limit companies' abilities to do business, or will it span a whole new industry? We discuss building a business in the new age of privacy regulations on this week's  Defense in Depth . Chris Jordan, CEO, Fluency Security This episode of  Defense in Depth  is co-hosted by me,  David Spark  ( @dspark ), the creator of  CISO Series  and  Allan Alford  ( @Al...

Security Metrics 23.01.2019

Defense in Depth is part of the CISO Series network which can be found at CISOSeries.com . What are the most important metrics to measure when building out your security program? One thing we learned on this episode is those metrics change, as your security program matures. This episode of Defense in Depth is co-hosted by me, David Spark ( @dspark ), the creator of CISO Series and Allan Alford  (...

Welcome to Defense in Depth 21.01.2019

Just a quick welcome message to this weekly show covering controversial and confusing topics in cybersecurity.

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