Cyera, a cybersecurity startup, has raised $600 Million at a $12 Billion valuation. This round was led by Evolution Equity Partners, with participation from Cyberstarts and Temasek, in addition to all existing investors including Accel, AT&T Ventures, Blackstone, Coatue, Spark Capital, among others. Cyera is now positioned as one of the most valuable privately held security companies in the world with total funding over $2 billion.