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

How Should We Gauge a Company's Cyber Health? 01.12.2022

All links and images for this episode can be found on CISO Series As an outside observer, how can you tell if a company is staying cyber healthy? While there is no financial statement equivalency to let you know the strength of a company's security profile, there are signals that'll give you a pretty good idea. Check out  this post  for the discussions that are the basis of our conversation on thi...

Reducing the Attack Surface 17.11.2022

All links and images for this episode can be found on CISO Series The cyber attack surface just keeps growing to the point that it seems endless. Protecting it all is impossible. Is there anything that can be done to reduce that attack surface and limit your exposure? Check out this post for the discussion that are the basis of our conversation on this week's episode co-hosted by me, David Spark (...

Do We Need a Marketing Manager for the Security Team? 10.11.2022

All links and images for this episode can be found on CISO Series Those reports on security procedures for the business are falling short. No one is reading them. What good are security controls if your staff doesn't know about them or adhere to them? Is it time to hire a marketing manager for the security team? Check out this post for the discussion that are the basis of our conversation on this...

Cybersecurity Budgets 03.11.2022

All links and images for this episode can be found on CISO Series Cybersecurity budgets are increasing, by a lot. What's fueling the increase and where are those budgets being spent? Check out  this post  for the discussions that are the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the producer of  CISO Series , and  Geoff Belknap  ( @geoffbelknap ),...

How Can We Make Sense of Cybersecurity Titles? 27.10.2022

All links and images for this episode can be found on CISO Series What's the difference between a head of security, a vp of security, and a CISO? Do job responsibilities change whether you're a security analyst or a threat engineer? Roles are confusing and so is the pay and responsibilities attached to them. Check out this post and this post for the basis of today's discussion. this week's episode...

Walk a Mile in a Security Recruiter's Shoes 20.10.2022

All links and images for this episode can be found on CISO Series Instead of complaining about the security hiring process, walk a mile in a recruiter's shoes and have a little compassion to what they're going through, and how you might be able to help, at any level. Check out this post for the discussions that are the basis of our conversation on this week's episode co-hosted by me, David Spark (...

Moving Security from a Prevention to a Resilience Strategy 13.10.2022

All links and images for this episode can be found on CISO Series Are security programs drifting from a prevention to a resilience strategy? If so, are you truly operating in a resilient environment? Or are you still acting in a prevention stance but you know you should be resilient? Check out this post for the discussions that are the basis of our conversation on this week's episode co-hosted by...

How to Engage with Non-Technical Business Leaders 06.10.2022

All links and images for this episode can be found on CISO Series How do you talk to non-technical business leaders about cybersecurity? It's a concern, it's a risk, they want to know so they can make logical business decisions. How do you help? Check out this post for the discussions that are the basis of our conversation on this week's episode co-hosted by me, David Spark ( @dspark ), the produc...

Cybersecurity Burnout 29.09.2022

All links and images for this episode can be found on CISO Series Why are cybersecurity professionals burning out? What's the dynamic of the job, the pressures being put on them, that causes the best to leave? And this industry can't afford to lose its best talent. Check out this post for the discussions that are the basis of our conversation on this week's episode co-hosted by me, David Spark ( @...

How to Build a Greenfield Security Program 22.09.2022

All links and images for this episode can be found on CISO Series You're starting a security program from scratch and you're trying to figure out where to start, what to prioritize, and how to architect it so it grows naturally and not a series of random patches over time. Check out this post for the discussions that are the basis of our conversation on this week's episode co-hosted by me, David S...

Managing the Onslaught of Files 15.09.2022

All links and images for this episode can be found on CISO Series Files are still the core of how people do business. How are you dealing with the onslaught of files coming into your network? People are sharing files across a multitude of platforms, and many for which you may not even know about. What checks and balances do you put in place to make sure you've got file integrity no matter the sour...

Can You Have Culture Fit and Diversity, or Are They Mutually Exclusive? 08.09.2022

All links and images for this episode can be found on CISO Series Hiring managers speak about looking for culture fit and diversity, but never at the same time. Can they coexist? Are they mutually exclusive? Check out this post for the discussion that are the basis of our conversation on this week's episode co-hosted by me, David Spark ( @dspark ), the producer of CISO Series , and Steve Zalewski...

How to Follow Up With a CISO 01.09.2022

All links and images for this episode can be found on CISO Series Cyber sales is hard. But don't let the difficulty of doing it get in way of your good judgement. So what is the right way to follow up with a CISO? Check out this post for the discussions that are the basis of our conversation on this week's episode co-hosted by me, David Spark ( @dspark ), the producer of CISO Series , and Geoff Be...

Roles to Prepare You to Be a CISO 25.08.2022

All links and images for this episode can be found on CISO Series One day you want to be a CISO. What area of security you begin your studies? Or maybe you shouldn't be studying security. Check out this post for the discussion that are the basis of our conversation on this week's episode co-hosted by me, David Spark ( @dspark ), the producer of CISO Series , and Steve Zalewski . Our guest is Eveli...

Minimizing Damage from a Breach 18.08.2022

All links and images for this episode can be found on CISO Series What can we do to reduce the damage of a breach and the duration of detection and remediation? Check out this post for the discussions that are the basis of our conversation on this week's episode co-hosted by me, David Spark ( @dspark ), the producer of CISO Series , and Geoff Belknap ( @geoffbelknap ), CISO, LinkedIn . Our sponsor...

We're All Still Learning Cyber 11.08.2022

All links and images for this episode can be found on CISO Series Learning cyber is not a question for those who are just starting out. It's for everybody. Where and how do we learn at every stage of our professional careers? Check out this post for the discussions that are the basis of our conversation on this week's episode co-hosted by me, David Spark ( @dspark ), the producer of CISO Series ,...

Practical Cybersecurity for IT Professionals 04.08.2022

All links and images for this episode can be found on CISO Series You're a CISO, vCISO, or MSSP rolling into a company that has yet to launch a cybersecurity department. How do you communicate about cyber with the IT department? They're not completely new to cyber. What's the approach to engagement that helps, but doesn't insult? How do you offer practical cybersecurity advice? Check out this post...

Data Protection for Whatever Comes Next 28.07.2022

All links and images for this episode can be found on CISO Series Cybersecurity boils down to securing your data or data protection. But that simple concept has turned into a monumental task that is only exacerbated every time we move our data to a new platform. How do we secure data today, to be ready for whatever comes next in computing? Check out  this post  and this post for the discussion tha...

What Is Attack Surface Profiling? 21.07.2022

All links and images for this episode can be found on CISO Series Is attack surface profiling the same as a pen test? If it isn't what unique insight can attack surface profiling deliver? Check out  this post  for the discussion that are the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the producer of  CISO Series , and  Steve Zalewski . Our guest is...

How Can You Tell If Your Security Program Is Improving? 14.07.2022

All links and images for this episode can be found on CISO Series What's your best indicator that your security program is actually improving? And besides you and your team, is anyone impressed? Check out  this post  for the discussion that are the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the producer of  CISO Series , and  Steve Zalewski . Our g...

How Can We Improve Recruiting of CISOs and Security Leaders? 07.07.2022

All links and images for this episode can be found on CISO Series Interviewing for leadership positions in cybersecurity is difficult for everyone involved. There are far too many egos and many gatekeepers. What can be done to improve recruiting of CISOs? Check out  this post  and this post for the discussions that are the basis of our conversation on this week's episode co-hosted by me,  David Sp...

How Is Our Data Being Weaponized Against Us? 30.06.2022

All links and images for this episode can be found on CISO Series How are nefarious actors using our own data (and metadata) against us? And given that, in what way have we lost our way protecting data that needs to be course corrected? Check out  this post  for the discussions that are the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the producer of...

Can Security Be a Profit Center? 23.06.2022

All links and images for this episode can be found on CISO Series Is it possible to position your security team as a profit center instead of the traditional cost center reporting to the CIO? Check out this post  for the discussion that are the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @dspark ), the producer of  CISO Series , and  Steve Zalewski . Our guest...

Getting Ahead of the Ongoing Malware Fight 16.06.2022

All links and images for this episode can be found on CISO Series For years we've been referring to malware protection as a cat and mouse game. The crooks come up with a new malware attack, and then the good guys figure out a way to stop it. And that keeps cycling over and over again. So where are we today with malware protection and is there any way to get ahead of the cycle? Check out  this post...

Building a Security Awareness Training Program 09.06.2022

All links and images for this episode can be found on CISO Series We all know and have experienced bad security awareness training. People can learn, and should learn about being cyber aware. How do you build a security awareness training program that sticks? Check out  this post  for the discussions that are the basis of our conversation on this week's episode co-hosted by me,  David Spark  ( @ds...

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