Horizon3 raises $250 million to expand its autonomous cybersecurity platform

NightDragon and NEA co-led the Series E, which values the NodeZero maker at more than $2 billion.

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Why it matters

The round finances Horizon3's move from automated pentesting into AI-driven remediation, giving it a role in both finding attack paths and closing them.

Illustration of a fortress-like node standing guard over a digital network, representing Horizon3's autonomous cybersecurity platform NodeZero.

Snehal Antani (@snehalantani) and Anthony Pillitiere (@APillitiere) raised $250 million for Horizon3 in a Series E that values the cybersecurity startup at more than $2 billion, Horizon3 announced on August 3rd.…

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