Asset-management titan Blackstone just ate a big cybersecurity sandwich. Today’s meal is information security company Accuvant, now part of Blackstone’s growing portfolio.

According to a Wall Street Journal report, Blackstone is purchasing an 80 percent stake in the company for $150 million. This is also yet another cybersecurity investment under Blackstone’s belt, having already invested in Secure Mentem, WatchDox, and Cylance, among others. Accuvant’s existing investor since 2008, Sverica International LLC, will retain ownership in the company. The deal is expected to close in April.

Accuvant, a Denver-based company founded in 2002, bills itself as an “authoritative source” in enterprise security, providing a range of services that include consulting, training, and research.

The company will use this new investment from Blackstone to accelerate its growth, focusing on its consulting unit and its managed security services, as the Journal reported.

In September 2010, Accuvant acquired Baltimore-based cybersecurity company Ciphent for an undisclosed amount. The acquisition resulted in an expansion of Accuvant’s services, adding secure software development, managed services, training,and support to its suite.

In addition to its investment from Sverica International LLA, Accuvant raised a venture round of $6 million in 2010 from undisclosed investors.