buyout·deskPrivate equity, daily
Tue, Jun 9, 2026
Daily briefTuesday, June 9, 2026
18 deals tracked · Updated 10:16 AM PDT·Full deal sheet
Exit·Software/Cybersecurity·June 9, 2026

NB Private Equity Partners sells LookingGlass to ZeroFox

The deal adds cyber threat intelligence, attack surface management and remediation tools used by Fortune 500 enterprises and U.S. government agencies.

NB Private Equity Partners sold LookingGlass, a cyber threat intelligence and external attack surface management platform, to ZeroFox.

The business adds threat monitoring and remediation capabilities to ZeroFox's digital risk protection suite for Fortune 500 enterprises and U.S. government agencies.

Baltimore-based ZeroFox was founded in 2013 by Hillary Herlehy, Robert Francis and Christopher Cullison, and provides digital risk protection, threat intelligence and attack surface management.

The company had 871 employees in April 2026 and has raised $154 million across five funding rounds.

NB Private Equity Partners exits after scaling LookingGlass to serve a global customer base.

Terms were not disclosed.