Cyera, the fastest growing data security company in history, announced a $540 million Series E funding round, bringing its total funding to over $1.3 billion. This raise comes just six months after the previous round, and doubles the company's valuation to $6 billion. The round was led by Georgian, Greenoaks, and Lightspeed Venture Partners, alongside existing investors Accel, Coatue, Cyberstarts, Redpoint, Sapphire Ventures, Sequoia Capital, and Spark Capital.