Microsoft Defender for Business and SentinelOne are both listed under EDR and XDR. Microsoft Defender for Business was founded in 1975; SentinelOne in 2013.
Microsoft Defender for Business Endpoint protection built into the Microsoft 365 Business Premium licence. No prices reported yet.
SentinelOne AI-driven EDR and XDR with autonomous, one-click threat rollback. No prices reported yet.