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Antithesis: Getting from tested to battle-tested
Companies 12/5/25 Companies 12/5/25

Antithesis: Getting from tested to battle-tested

Testing is an essential part of building reliable software. It’s a form of documentation, a reminder of mistakes of the past, and a boost of confidence when you want to refactor.

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U.S. Navy Air-Launched Version Of ‘Cheap’ Blackbeard Hypersonic Missile Hinted At
Companies 10/29/25 Companies 10/29/25

U.S. Navy Air-Launched Version Of ‘Cheap’ Blackbeard Hypersonic Missile Hinted At

The Castelion Corporation is now under contract to integrate its Blackbeard missile onto “operational” Navy and Army platforms.

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Shift5 Raises $75 Million Series C
Companies 10/13/25 Companies 10/13/25

Shift5 Raises $75 Million Series C

Shift5, the leading Operational Intelligence platform for America’s defense and transportation systems, today announced it has raised $75M in Series C.

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Tidal Cyber Raises $10M in Series A Funding to Advance Threat-Led Defense
Companies 10/13/25 Companies 10/13/25

Tidal Cyber Raises $10M in Series A Funding to Advance Threat-Led Defense

Tidal Cyber, a Virginia-based cybersecurity provider pioneering Threat-Led Defense, has raised $10 million in Series A Funding.

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UAE taps Rilian Technologies to Fortify OT Security
Companies 8/4/25 Companies 8/4/25

UAE taps Rilian Technologies to Fortify OT Security

Rilian Technologies, in partnership with the UAE Cybersecurity Council and CPX Holding, has signed a contract to secure the country’s critical infrastructure by implementing the Rilian Defense Platform.

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Army eyes new program, test with Castelion’s Blackbeard hypersonic missile in 2026
Companies 7/3/25 Companies 7/3/25

Army eyes new program, test with Castelion’s Blackbeard hypersonic missile in 2026

As the US Army pushes to find new, non-traditional industry partners, it is planning to test out a developmental hypersonic round from defense startup Castelion that can be launched from a future autonomous launcher.

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FirstIn 6/25/25 FirstIn 6/25/25

Defending Against Modern Asymmetric Threats

Renny McPherson on why the U.S. can no longer rely on geography for safety, and how asymmetric threats—from cyberattacks to armed drones—are reshaping what security technology must address.

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FirstIn 6/10/25 FirstIn 6/10/25

First In Founder Series: Embracing Dichotomies

Drawing on a decade of evaluating founders, Renny McPherson argues that venture-scale builders don’t choose between vision and execution—the best ones embrace both at once.

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Companies 5/19/25 Companies 5/19/25

Why Palmer Luckey thinks AI-powered, autonomous weapons are the future of warfare

CBS News 60 Minutes with Palmer Luckey, the founder of Anduril, a California defense products company.

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FirstIn 4/14/25 FirstIn 4/14/25

Directed Energy Weapons: A Primer for a Converging Market

Directed Energy Weapons (DEW) are entering their operational era. As capital flows back into core defense technologies, we see this category as a fast-converging frontier.

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Companies 3/13/25 Companies 3/13/25

360 Privacy Secures $36 Million Growth Investment from FTV Capital

360 Privacy, a leading digital executive protection platform, today announced that it has secured a $36 million growth equity investment from FTV Capital.

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Companies 2/17/25 Companies 2/17/25

Defense tech is blowing up Silicon Valley’s beliefs

Castelion, a startup founded by SpaceX alumni, is bringing hypersonic missile development back to El Segundo, partnering with the US Air Force for testing.

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Companies 2/17/25 Companies 2/17/25

Antithesis Raises $30M in Funding

Antithesis, autonomous software testing company, raised $30M in funding.

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Companies 1/29/25 Companies 1/29/25

Startup Castelion Raises $100 Million for Hypersonic Strike Weapons

Silicon Valley’s enthusiasm for superfast weapons has picked up speed, with defense-tech startup Castelion raising $100 million through debt and equity to build hypersonic missile systems.

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Companies 1/29/25 Companies 1/29/25

Precog Secures Significant Investment from Venture Guides to Accelerate Growth and Market Expansion

Precog, the enterprise leader in AI-driven ETL solutions, announced today an investment from Boston-based Venture Guides, a venture capital firm specializing in enterprise infrastructure software and go-to-market execution.

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Companies 11/26/24 Companies 11/26/24

N-able Acquires Existing Strategic Partner Adlumin

Acquisition builds on a successful partnership to fuel resilience across the full IT environment and strengthen the security posture of customers worldwide.

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Companies 8/9/24 Companies 8/9/24

Defense tech start-up Anduril Industries raises $1.5 billion, now valued at $14 billion

Defense start-up Anduril Industries announced Wednesday that it raised $1.5 billion in funding for its Series F round, valuing the company at $14 billion.

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Companies 7/26/24 Companies 7/26/24

ZeroTier raises $13.5M to help avert CrowdStrike-like network problems

With the CrowdStrike update continuing to cause havoc across the planet, a startup has raised $13.5 million to at least improve some level of security for the kinds of devices that have been affected.

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FirstIn 7/16/24 FirstIn 7/16/24

Systemic Security Investing: A First In Framework

Arthur Karell and Renny McPherson introduce ‘systemic security’—a systems-thinking framework, drawn from their Marine Corps experience, for investing across the interconnected cyber and defense landscape.

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Companies 5/24/24 Companies 5/24/24

Army embraces virtual reality training

Some Army units will soon offer troops suicide prevention training on virtual reality headsets that transport the soldier inside the home of a peer in crisis, with the Sergeant Major of the Army coaching them through the scenario.

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