Trustwave Holdings

Trustwave Holdings, Inc.
Trustwave
TypeSubsidiary
Industry
Founded1995 (1995)
Headquarters,
Area served
Worldwide
Key peopleEric Harmon (CEO)
RevenueUS $216 million  (2014)
Number of employees
1,600+
Parent
  • Singtel
  • (2015–24)
  • The Chertoff Group
  • (2024–25)
  • LevelBlue
  • (2025–present)
Websitewww.trustwave.com

Trustwave Holdings, Inc. is an American cybersecurity subsidiary of LevelBlue. It focuses on providing managed detection and response (MDR), managed security services (MSS), database security, and email security to organizations around the globe.

With customers in 96 countries, it has its international headquarters in downtown Chicago and regional offices in London, São Paulo, and Sydney. The company also operates Security Operations Centers in Chicago, Denver, Manila, Minneapolis, Singapore, Sydney, Tokyo, Warsaw, and Waterloo, Ontario.

As of 2015, the firm was a standalone business unit cybersecurity independent subsidiary and brand of multinational telecommunications company Singtel. On August 19, 2025, one year after The Chertoff Group purchased the company, Trustware was acquired by LevelBlue.