PSG, a private equity firm, completed an investment in Qmulos, a cybersecurity software and professional services firm. Financial terms were not disclosed. "We’re proud to offer a solution to improve operational security while simplifying time-consuming and costly IT compliance tasks. We look forward to partnering with PSG as we aim to serve more organizations with a commitment to continuing the evolution of our platform to meet our customers’ dynamic needs," Matt Coose, Qmulos Founder and CEO.