Duncan Riley
- 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
Latest articles
Horizon3.ai raises $250M at $2B-plus valuation for autonomous pentesting (opens the original)
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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
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:
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
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
OpenAI’s Astra solves 10 long-open math problems and publishes the proofs (opens the original)
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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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