WASHINGTON, DC, SpiderOak, the leader in zero-trust cybersecurity solutions for next generation space systems, today announced a $16.4 million Series C round. The round was led by Empyrean Technology Solutions, a space technology platform backed by funds affiliated with Madison Dearborn Partners, a leading private equity firm based in Chicago. The Series C round included additional investment from Method Capital, and OCA Ventures. The oversubscribed round further validates the immediate need for end-to-end cybersecurity solutions to protect space mission systems. Our commercially available products are built upon a foundation of zero-trust encryption and distributed ledger, ensuring the confidentiality, integrity and availability of your most sensitive data in the space domain.