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Global cybersecurity and privacy startups raised $6.8 billion in the third quarter of 2026, marking a 50% increase from the prior quarter. Keyfactor secured the largest round at $1 billion, while Cyera and Island each raised $400 million. Visa acquired BioCatch for $2.4 billion, and Cyera later bought Oasis Security for roughly $1 billion.
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Summary by ByteBrief

Crypto Hacks Reach $1.18 Billion in Q3
Funding for Cyber Startups Climbs in Third Quarter

Quantum computing company IonQ agrees to buy Elisity, which helps stop cyberattacks and ransomware from spreading, in an all-stock deal valued at up to $1.3B (Lauren Thomas/Wall Street Journal)