Keeping Defender Antivirus updated

In todays tip I’ll briefly cover 2 updates that are required to keep Defender AV up to date

Platform Update

  • The platform update is released once per month
  • Only the most recent 3 Platform Updates are in support
  • The update is always KB4052623

The Platform update contains:

  • Performance improvements
  • Serviceability improvements
  • Integration improvements for cloud and M365 Defender

Security Intelligence Updates

  • Also known as Definition Updates
  • Contains the latest Antivirus Engine
  • The update is always KB2267602

Methods of delivering the updates

  • Microsoft Update
  • File share
  • Microsoft Endpoint Manager
  • MMPC (Microsoft Malware Protection Center) last resort

References
Manage Microsoft Defender Antivirus updates and apply baselines