Extended Detection and Response (XDR) As ransomware, file-less attacks, and phishing continue to grow, IT and security leaders are turning to a new approach to counter advanced threats: Extended Detection and Response (XDR). XDR represents the evolution of Synchronized Security into the fast-growing market category it is today. Use these assets to create awareness for this new approach and prepare the ground for Sophos XDR. Gartner’s report, Innovation Insight for Extended Detection and Response (XDR)