The MassMutual and Siemens-backed data protection software producer has received another $30m in a round that took its total funding to $173m.

Digital Guardian, a US-based data protection software provider backed by corporates Siemens and Massachusetts Mutual Life Insurance, has raised $30m in a round led by private equity firm LLR Partners.

The round also featured undisclosed existing investors, and it increased the company’s funding to approximately $173m altogether.

Founded in 2003, Digital Guardian has developed a software platform that enables businesses to protect data in compliance with regulations such as GDPR and the California Consumer Privacy Act.

The technology works across…