Cylake disclosed a $245 million convertible-note raise on September 9, 2026, led by Lightspeed with Picture Capital and Redpoint. The company builds a cybersecurity platform focused on operational resilience for enterprises.
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Cybersecurity startup Cylake raises $245M for operational resilience
Why this matters for founders
Enterprise buyers keep pouring budget into resilience tooling; founders selling into security-conscious accounts can expect more scrutiny of their own posture and vendor questionnaires.
Source: TechStartups
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