Ep. 275 Securing Federal Data: The Evolution from Zero Trust to Least Permissive Trust
Release Date: 10/16/2025
Federal Tech Podcast: for innovators, entrepreneurs, and CEOs who want to increase reach and improve brand awareness
Connect to John Gilroy on LinkedIn Want to listen to other episodes? We are at the point where AI is almost expected in any technology offering. Today, we sat down with John Kindervag from Illumio to learn how AI can be applied to the world of federal Zero Trust. Some have characterized today’s current cybersecurity situation as an arms race; some call it a whack-a-mole game. An innovative technology, such as AI, becomes popularized, and adversaries use it to improve attacks. As a result, the defenders of data must bolster their response, and they, in turn, use AI to...
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Connect to John Gilroy on LinkedIn Want to listen to other episodes? It is rare to see AI applied to federal cybersecurity mandates. However, today, we will sit down with Louis Echenbaum from Color Tokens. He will unpack the concept of using AI to help federal leaders improve their ability to implement microsegmentation. We all know about Executive Order 14028 and the OMNB Memo M-22-09, which are forcing federal agencies to deploy a robust Zero Trust framework. The key components include identity and access management, asset management, continuous monitoring, and micro...
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Connect to John Gilroy on LinkedIn Want to listen to other episodes? In the world of federal technology we are being deluged with so much information about Artificial Intelligence that we may not see what some of other technologies that may have as great an impact as AI. The White House, the OMB (M-23-02), the Office of the National Cyber Director have made it clear that the time to prepare for post-quantum cryptography is now. Agencies are required to inventory cryptographic systems, prioritize high-value assets, and build migration plans in line with NIST...
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Connect to John Gilroy on LinkedIn Want to listen to other episodes? John Kindervag began the concept of Zero Trust; he probably did not realize the impact it would have on the technological community. Today, we look at the federal government and Zero Trust implementation from 40,000 feet. Kindervag will opine on topics such as browser security, the importance of data, and operational technology. Instead of using his technical knowledge as a cudgel, Kindervag reinforces the importance of a balanced approach in which federal leaders consider both technological and behavioral...
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Connect to John Gilroy on LinkedIn Want to listen to other episodes? A quick review of malicious activity shows large-scale cyberattacks being run without any human intervention. That means traditional penetration testing, which occurs once a year, can be easily defeated by massive, systematic attacks. During the interview with Snehal Antani, CEO of Horizon Three, he highlights the importance of continuous autonomous penetration. He suggests that it may be the only response to a non-human automated attack. Horizon3 has recently collaborated with the NSA’s Cybersecurity...
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Connect to John Gilroy on LinkedIn Want to listen to other episodes? The good news is that federal security measures are preventing successful attacks; the bad news is that adversaries are examining every nook and cranny of a federal system and increasingly targeting the browser itself as an attack vector. During the interview, Scott “Monty” Montgomery gives a quick overview of Enterprise Browsers and Secure Enterprise Browsers. After all, browsers have been around since 1994. It may be the only application ubiquitous on home-based machines and in enterprise...
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Connect to John Gilroy on LinkedIn Want to listen to other episodes? Every federal agency prepares a backup strategy to protect data. This is a rigorous endeavor in which teams practice what to do in the event of a breach or system failure. However, nobody really has a plan for a temporary federal shutdown. Any political pundit worth his salt knows there will be another federal shutdown sometime in the future. It is reasonable to consider automation to see how it can be used to bridge services during a temporary shutdown. David Grundy is the Public Sector CTO for Tines. He...
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Connect to John Gilroy on LinkedIn Want to listen to other episodes? In a recent report from Microsoft, they share that foreign adversaries are increasing attacks on American infrastructure. One variation is that they will not penetrate systems and attack, but they will steal credentials and install code to act in stealth mode. This code can hide for years and be deployed when the antagonist wants. Today, we sat down with Travis Roseik from Rubrik to try to find some options for defending against this hidden attack. Let us say an agency has improved its resistance to foreign...
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Connect to John Gilroy on LinkedIn Want to listen to other episodes? The federal government recognizes that threats are multiplying at an exponential level. In fact, in October 2025, CISA released a free vulnerability scanner, and 10,000 organizations have signed up. Today, CISA is at its current capacity. Today, we examine solutions from a successful startup called CrunchAtlas. One of the co-founders, Ben Fabrelle, will share with the audience his experience in threat hunting in the federal government and why he combined with another veteran to form a company that can assist...
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Ep. 281 How Zero Trust Automation Helps Federal Agencies do More with Less Connect to John Gilroy on LinkedIn Want to listen to other episodes? As this interview was recorded, the federal government was in the middle of a shutdown. Hundreds of pundits have given interviews about the politics of the situation; very few have looked at the impact on cybersecurity during a phase of workforce reduction. Today, we sat down with Gary Barlet, the Public Sector CTO at Illumio, to see whether Zero Trust can help the federal government bridge this short personnel gap. Barlet begins by...
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Sometimes, the plow must go deeper. Current approaches to Zeer Trust implementation can leave gaps in security. Today, we sat down with Akamai’s Mike Colson to discuss the concept of combining Identity Credential Access Management with Least Permissive Trust.
Setting the stage, Mike Colson details some of the challenges in the varying kinds of Zero Trust that are being applied in the Federal Government.
The standard way of implementing ICM can result in assigning more resources than necessary, leading to permission creep and inflexible permission.
Over provisioning: The amount of data being created is almost impossible to manage. A person may be given access to a data set they are not permitted to see. A “just in time” permission structure would help avoid that situation.
Stale: Just because a person has access to a data set on a Tuesday does not mean he has access on a Wednesday. People can leave the workforce, be reassigned, or change roles. Access must be constantly updated.
Static: Ron Popiel made the phrase, “Set it and forget it,” memorable. Unfortunately, this approach can lead to a permission structure that may limit access to key data. This may be considered under-provisioning, potentially leading to time delays in obtaining key information.
Colson took the listeners through several iterations of access control, including Role-Based Access Control and Attribute-Based Access Control. On top of these old favorites, Colson discussed what may be called Context-Based Access Control, or what he calls Least Permissive Trust.
Least permissive trust is a concept Colson outlined, which uses user behavior, device health, and contextual factors to grant permission dynamically.
The conclusion is simple: not all Zero Trust is created equal.