The study analysed the 2025 Fortune 100 India companies, including Reliance Industries, TCS, Wipro and State Bank of India, to assess their adoption of Domain-based Message Authentication, Reporting and Conformance (DMARC), an email authentication standard that helps verify whether an email claiming to come from a company is genuine. The analysis was conducted in June 2026.

The study analysed the 2025 Fortune 100 India companies, including Reliance Industries, TCS, Wipro and State Bank of India, to assess their adoption of Domain-based Message…

A June 2026 survey of Fortune 100 India companies revealed inadequate adoption of DMARC, exposing major firms like Reliance and TCS to heightened risks of email-based cyberattacks.