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Defense in Depth

 

Defense in Depth is a 25-minute weekly advice podcast (Thursdays at 6 A.M. ET) that’s based on a single online discussion. The show is co-hosted by technology journalist David Spark and Geoff Belknap, CISO, LinkedIn or Steve Zalewski, former CISO, Levi Strauss.

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DEFENSE IN DEPTH

Defense in Depth

How Much Autonomy Should You Give AI Agents in Your SOC?

David Spark -
Agentic AI was the buzzword of the year in 2025. Everyone wants to figure out how to use agents, but how do you know...
Defense in Depth

Cybersecurity’s Broken Hiring Process

David Spark -
Something is wrong with the math in the cybersecurity job market. If there are "millions" of unfilled jobs out there, why are so many...
Defense in Depth

Simple Security Solutions That Deliver a Big Impact

David Spark -
We all know what gets our attention in cybersecurity. But those big ticket flashy items are often not what pay the biggest dividends. What...
Defense in Depth

How Best to Prepare Your Data for Your Tools

David Spark -
If customers want cybersecurity vendors to solve a problem, it should be clear how to market the solution. Unfortunately, too many vendors are marketing...
Defense in Depth

How Best to Prepare Your Data for Your Tools

David Spark -
You can put practically anything into an LLM and the output will look acceptable if not fantastic. Unlike most things in technology, beautiful results...
Defense in Depth

Don’t Try to Win with Technical Expertise. Win by Partnering.

David Spark -
In security leadership, being right on a technical level only goes so far. How can we shift our mindset to embrace building consensus rather...
Defense in Depth

What Makes a Successful CISO?

David Spark -
It's pretty well established that the CISO's role is moving away from technical to that of a business leader. But all business leaders have...
Defense in Depth

How Should CISOs Talk to the Business

David Spark -
Most CISOs can talk tech inside and out. But when they have to communicate that to the business, the conversation doesn't flow nearly as...
Defense in Depth

How Much Cyber Risk Should a CISO Own?

David Spark -
CISOs don't own cyber risk. Until they do. Haven't we moved beyond the CISO being the scapegoat in waiting? Check out this post by Nick...
Defense in Depth

How To Tell When a Vendor is Selling AI Snake Oil

David Spark -
Why do so many of the advocates for AI in cybersecurity know so little about how AI actually works? Questions just one layer deep...
Defense in Depth

In the Age of Identity, is Network Security Dead?

David Spark -
Network security used to be the name of the game. But many see asset management and identity as the new perimeters. Does this mean...
Defense in Depth

How to Manage Configuration Drift

David Spark -
On the onset, no one purposefully misconfigures a tool. But over time, it happens. Configuration drift inevitably results in security issues. How are we...
Defense in Depth

Is Least Privilege Dead?

David Spark -
The idea of least privilege has become accepted wisdom in cybersecurity. Despite being around for decades, everyone still seems to be struggling with it....
Defense in Depth

How Do We Measure Our Defenses Against Social Engineering Attacks?

David Spark -
We know phishing is a serious threat to all organizations. So why does it feel like we don't have reliable metrics on how we...
Defense in Depth

Sales Follow Up Sequences: What Works Best in Cyber?

David Spark -
Every cybersecurity vendor needs sales. But how should they shape their approach so it doesn't come off as aggressive spam? Check out this post by...
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