FILE OPEN IN WINDOWS DEFENDER UPDATE

Security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware There are five locations where you can specify where an endpoint should obtain updates:

FILE OPEN IN WINDOWS DEFENDER UPDATE

A more frequent update schedule can result in more network usage, whereas a less-frequent schedule can result in larger file sizes per download.

However, you must also consider download frequency as well.

The older the updates on an endpoint, the larger the download will be.

The source used to download and apply updates.

The age of the last update on the device and.

However, the size of the delta depends on two main factors: In most cases, only the differences between the latest update and the update that is currently installed (this is referred to as the delta) on the device is downloaded and applied. When updates are published, some logic is applied to minimize the size of the update. If a source is not available, the next source in the list is used immediately.

Updates are obtained from sources in the order you specify. Typically, you configure endpoints to individually download updates from a primary source followed by other sources in order of priority, based on your network configuration. To learn more, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS. Your devices must be updated to support SHA-2 in order to update your security intelligence. Microsoft Defender Antivirus Security intelligence updates are delivered through Windows Update and starting Monday, October 21, 2019, all security intelligence updates will be SHA-2 signed exclusively.

File open in windows defender