BitSight is a cybersecurity ratings company that analyzes companies, government agencies, and educational institutions.

BitSight provides a security rating platform which analyzes external data on security behaviors, enabling organizations to manage third-party risk, benchmark performance and to assess and negotiate cyber-insurance premiums.

BitSight was founded in 2011 by Francisco Fonseca, Nagarjuna Venna, Stephen Boyer. The company is based in Lexington, MA with additional offices in Raleigh, NC and Lisbon, Portugal.


BitSight has extensive visibility into key areas of cyber risk that are correlated to breach, including Compromised Systems, Open Ports, Mobile & Desktop Software, and File Sharing. Additionally, BitSight is the only Security Rating Service provider with a third-party validated correlation to breach.


The BitSight Security Ratings Platform applies sophisticated algorithms, producing daily security ratings that range from 250 to 900, to help organizations manage their own security performance; mitigate third party risk; underwrite cyber insurance policies; conduct financial diligence; and improve national security.


BitSight is currently delivering unique insights for over 2,300 global customers, including many Fortune 500 companies, government agencies, insurers, and asset managers.


BitSight is backed by GGV Capital, Moody’s, Warburg Pincus, Flybridge Capital Partners, Globespan Capital Partners, Menlo Ventures, Comcast Ventures, Liberty Global Ventures, and others. The company raised $250M in new round on Sep 13, 2021. This brings BitSight's total funding to $400.6M to date. The new round valued the company at $2.4B post-money.



  • Year founded: 2011
  • Funding Info: $400.6M over 6 Rounds (Latest Funding Type: Venture-Series Unknown)
  • Yearly Revenue: NA
  • Employee Size: 201-500
  • Business Valuation: Valued at $2.4B as of Sep 13, 2021
  • City/Town: Boston
  • State: Massachusetts
  • Country: United States
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