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Craig Robinson
LevelBlue Chairman and CEO Robert McCullen. [Photo: LevelBlue]
Dallas-Based LevelBlue Closes Acquisition of Trustwave, Forming ‘World’s Largest’ MSSP
by Lance Murray | Aug 20, 2025
LevelBlue—formerly known as AT&T Cybersecurity before its spinout as a standalone business last year—said the deal makes it "the world’s largest pure-play" managed security services provider, with the broadest and most comprehensive portfolio of managed security, offensive security, strategic advisory, incident response, and security software.
