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T-Minus: Space-Cyber Briefing
T-Minus: Space-Cyber Briefing
Author: N2K Networks
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T-Minus: Space-Cyber Briefing from N2K CyberWire is your source for understanding the critical security connections between space and Earth, linking the technologies, policies, and organizations shaping non-terrestrial networks and the expanded attack surface.Each week, we cover space and cyber developments that bridge technology, commerce, and innovation. We are the cybersecurity industry’s source for understanding how space-based infrastructure reshapes digital networks, risk, and resilience globally.T-Minus: Space-Cyber Briefing publishes every Sunday alongside the free Signals and Space newsletter covering the intersection of cybersecurity and space.
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In this special Reporter’s Notebook, Maria Varmazis, host here at N2K CyberWire, takes listeners behind the scenes of our three-part series on Cyber Coalition 2025 in Tallinn, Estonia. After exploring real-time incident response, cross-border coordination, and the broader stakes of collective cyber defense, this episode offers a more personal, behind-the-scenes look at how the reporting came together.
Hosted by the NATO Cooperative Cyber Defense Centre of Excellence, the exercise brought together allied military, government, and industry teams inside NATO’s secure cyber range. Here, Maria reflects on moments that didn’t make the final cut — the atmosphere inside the facilities, the pace of covering a live exercise, and the small, human details that added texture to the larger story.
If you haven’t yet, be sure to listen to all three episodes of the series to hear the full story from the ground at Cyber Coalition 2025.
Episode one can be found here.
Episode two can be found here.
Episode three can be found here.
In the final installment of our three-part series on Cyber Coalition 2025, Maria Varmazis, host here at N2K CyberWire, and Liz Stokes, CyberWire Producer, step back from the cyber range to reflect on what their time in Tallinn really meant. This episode moves beyond the mechanics of the exercise and into the broader stakes of collective cyber defense in an increasingly uncertain geopolitical moment.
Recorded two months after their visit, the conversation blends field tape and personal reflections — from standing outside the Russian Embassy in Old Town to recalling the weight inside NATO’s secure facilities. Estonia’s history, including the 2007 cyberattacks, and its visible solidarity with Ukraine underscore just how real and proximate the risks remain.
Be sure to check out the first two episodes of this three part series, you can find them below.
Episode one can be found here.
Episode two can be found here.
In this second installment of our three-part series on Cyber Coalition 2025, Maria Varmazis, host of T-Minus Space Daily and CyberWire Producer Liz Stokes, take listeners inside a single day at NATO’s cyber headquarters in Tallinn, Estonia — focusing on the human side of cyber defense.
Hosted by the NATO Cooperative Cyber Defence Centre of Excellence and led by NATO Allied Command Transformation, Cyber Coalition is a defensive-only exercise built around collaboration, coordination, and information sharing across allied nations. This episode highlights how that plays out in practice, from legal teams working through cross-border policy questions to military defenders coordinating with civilian infrastructure partners inside NATO’s secure cyber range.
In case you missed the first episode of this three part series, check it out here.
In this three-part series, Maria Varmazis, host of T-Minus Space Daily and CyberWire Producer Liz Stokes, take you inside NATO’s flagship cyber defense exercise, Cyber Coalition 2025. Hosted by the NATO Cooperative Cyber Defence Centre of Excellence in Tallinn, Estonia, the exercise brings together military, government, and industry teams from across the alliance to respond to realistic, high-pressure cyberattack scenarios targeting critical infrastructure and operational networks.
Throughout the series, Maria and Liz will guide you through what they witnessed on the ground — from real-time threat detection and incident response to the strategic collaboration shaping NATO’s cyber resilience in an increasingly contested digital landscape.
Please follow along with the next episode of our three part series here.
This Labor Day, we’re celebrating more than just a holiday. Join us in celebrating not just the work, but the people who make it possible — the labor behind the labor.We’re honoring the people who bring their creativity, dedication, and passion to every corner of N2K. The work you hear, read, and see from us doesn’t happen by accident. It’s the result of talented colleagues who pour themselves into their craft, often in ways that don’t always get the spotlight. From shaping sound and refining scripts to building certification content and producing video, their labor is the heartbeat of what we do.In this special edition, host Ma’ayan Plaut introduces you to some of the voices behind the scenes: Elliott, whose audio artistry makes every show sing; Ethan, whose sharp analysis bridges policy and practice; Alice, whose storytelling brings energy and curiosity to the space industry; George and Ann, who create and refine the certification content that keeps us at the forefront of technology; and Sarelle, whose video production brings our stories to life. Together, they embody the care and creativity that define N2K.And if you’d like to see the labor behind the labor, we’ve also put together a video companion to this project — giving you another way to meet the team and experience their work in action. Be sure to check it out!


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