Cloud computing company Fastly announced plans to acquire Culver City-based Signal Sciences for $775 million on Thursday. It's the largest enterprise exit in L.A., according to Andrew Peterson, the CEO of Signal Sciences.

Signal, founded in 2014, protects web applications from attacks and data breaches for clients like Duo Security, Under Armor and DoorDash. With breaches costing an average $3.86 million, preventing them has become imperative for many businesses.

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