Deloitte ranked No. 1 in Security Services by revenue in the 2026 Gartner® Market Share: Security Services, Worldwide, 2025 report

NEW YORK, June 22, 2026 /PRNewswire/ -- Deloitte has been ranked No.1 by revenue in the Gartner® Market Share: Security Services, Worldwide, 2025 report for the third time in a row, covering Security Consulting Services (SCS), Security Professional Services (SPS), and Managed Security...