Apax Digital Funds, a growth equity and growth buyout fund, agreed to invest in IANS Research, a provider of independent research and advisory services for the information security industry. Financial terms were not disclosed. "IANS is the undisputed, most trusted leader in the InfoSec decision support space. We have been very impressed with how its deep and independent data and advisory offering has driven a steady growth in highly satisfied customers and an unmatched reputation for insight in the category. We are excited to partner with Phil and his team to continue to evolve the offering and scale the business to even greater heights," Marcelo Gigliani, Apax Digital Managing Partner.