Update microsoft-defender-antivirus-updates.md

Author: denisebmsft

defender-endpoint/microsoft-defender-antivirus-updates.md

@@ -100,8 +100,8 @@ Updates contain:
 
 ### January-2025 (Platform: 4.18.25010.xxxx | Engine: 1.1.25010.xxxx)
 
-- Security intelligence update version: **x.x.x.x**
-- Release date: **February 18, 2025 (Engine) / February 18, 2025 (Platform)**
+- Security intelligence update version: **1.421.1974.0**
+- Release date: **February 19, 2025 (Engine) / February 19, 2025 (Platform)**
 - Platform: **4.18.225010.xxxx**
 - Engine: **1.1.25010.xxxx**
 - Support phase: **Security and Critical Updates**