Theta Lake, the leader in unified communication security and compliance solutions tailored to today's new, increasingly digital and distributed world of work, announced a $50 million series B funding round led by Battery Ventures.

The round also includes investments from existing investors such as Lightspeed Venture Partners, Neotribe Ventures and Cisco Investments, as well as new investments from RingCentral Ventures, Salesforce Ventures, and Zoom Video Communications, Inc. The new investment brings the company's total funding raised to date to over $70 million.