Exaforce raises $125M Series B to build AI for catching and stopping cyberattacks as they happen

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As bad actors weaponize AI to exploit software vulnerabilities at unprecedented speed, companies are increasingly recognizing the need to bolster their cybersecurity defenses.

Fortunately, those very AI tools are also helping businesses fight back.

The need for such capabilities has helped Exaforce, an AI startup that detects and thwarts attacks in real time, secure a $125 million Series B. The round valued the three-year-old startup at $725 million, and saw participation from HarbourVest, Peak XV, Mayfield, Khosla Ventures, and Seligman Ventures.

The massive funding round comes just a year after Exaforce raised a $75 million Series A, bringing its total funding to $200 million. The influx of capital underscores both the high cost of building and selling an AI-enabled security operations center (SOC), and the massive market opportunity investors see in the space.

Exaforce says it uses AI agents, called “Exabots,” with deep data analysis to automate security...

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Sources: Nvidia's business development group, not its VC arm NVentures, has led much of its ~$90B dealmaking push across 145+ companies over the past 16 months

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Sources: an attack exploiting a previously unknown vulnerability in Huawei router software caused a three-hour nationwide telecoms outage in Luxembourg in 2025

Sponsor Posts Niantic Spatial: World models need real-world data — Scaniverse is the gateway to spatial services — self-serve and built for AI and robotics. Large-area 3D reconstruction from 360° cameras and precise localization, anywhere machines operate. Protecting your Cloud Applications Data — Backing up Office 365, Google Workspace, Dropbox & Salesforce data