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Duncan Riley

Reporter

Indexed articles, last 90 days
10
Latest publication
Aug 3, 2026
Outlet visibility, for SiliconANGLE
Top 1M sites
Earliest in this view
Jul 6, 2026
The latest indexed work is over 30 days old. There may be a gap in what we hold.

Latest articles

  1. Article · Aug 3, 2026 · Duncan Riley

    Horizon3.ai raises $250M at $2B-plus valuation for autonomous pentesting (opens the original)

    Excerpt · Neutral tone

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    Autonomous security solutions startup Horizon3.ai Inc. today announced it has raised $250 million in a Series E round on a valuation of more than $2 billion to build out its sales operation and expand into Australia and Singapore. Horizon3.ai closed its Series D in June 2025 at a valuation of $650 million. Horizon3.ai’s NodeZero platform attacks its […] The post Horizon3.ai raises $250M at $2B-plus valuation for autonomous pentesting appeared first on <a href="https://siliconangle.com" rel="no

  2. Article · Aug 3, 2026 · Duncan Riley

    Exclusive: Terra Security’s Prevention writes the firewall rules to block proven exploits (opens the original)

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    Offensive security startup Terra Security Inc. today launched Prevention, a feature that writes the firewall rules needed to block an attack its artificial intelligence agents have already proven works. Prevention is available now. Terra built it for the gap between a confirmed finding and a deployed code fix, a stretch that can run for weeks […] The post Exclusive: Terra Security’s Prevention writes the firewall rules to block proven exploits appeared first on <a href="https:

  3. Article · Aug 3, 2026 · Duncan Riley

    Cato Networks launches Agentic Threat Prevention to counter AI-assisted attacks (opens the original)

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    Networking and security company Cato Networks Ltd. today introduced Cato Agentic Threat Prevention, a capability that uses autonomous agents to predict the route an attacker is likely to take through a customer’s network. Protections for that specific environment are then generated and enforced before the attack advances. The feature runs on Cato’s cloud-native platform, which […] The post Cato Networks launches Agentic Threat Prevention to counter AI-assisted attacks appear

  4. Article · Aug 3, 2026 · Duncan Riley

    CrowdStrike finds AI systems under direct attack as exploit windows shrink (opens the original)

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    Artificial intelligence has become a target for attackers rather than only a tool they use, according to CrowdStrike Holdings Inc.’s “2026 Threat Hunting Report,” released today. The annual report draws on observations from CrowdStrike’s OverWatch threat hunting team and intelligence analysts tracking more than 290 named adversaries over the 12 months to June 30. Previous […] The post CrowdStrike finds AI systems under direct attack as exploit windows shrink appeared first

  5. Article · Aug 2, 2026 · Duncan Riley

    OpenAI’s Astra solves 10 long-open math problems and publishes the proofs (opens the original)

    Excerpt · Positive tone

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    OpenAI Group PBC revealed Saturday that an internal version of Astra, the model family it calls its next major release, produced new results for 10 problems in mathematics and theoretical computer science that had been open for at least a decade, and it published machine-checkable proofs alongside the claim. The company posted a 249-page manuscript […] The post OpenAI’s Astra solves 10 long-open math problems and publishes the proofs appeared first on <a href="https://siliconangle.com" rel="n

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