Windows Defender - Configuration Details
About this task
General
| Feature | Description |
|---|---|
| Real-time Monitoring | Enables Windows Modern Defender's real-time monitoring functionality. |
| Real-time Scan Direction |
Select a set of files to scan from the following directions:
|
| Cloud Protection | Enable this option to join Microsoft Advanced Protection Service (MAPS). |
| Cloud Block Level | Choose from following levels to block and scan suspicious files:
|
| Submit Samples Consent |
Enable this policy setting to configure the behavior of sample submissions when opting for MAPS telemetry. Choose from the following:
|
| Cloud Block Timeout | Set a value after which Windows Defender blocks Cloud services, Note: Microsoft Defender antivirus blocks a suspicious
file up to 50 seconds. |
| Signature Update Interval | Specify the internal (in hours) to check for security intelligence updates. |
| Signature Update File Share Sources | Configure Universal Naming Convention (UNC) file share sources for downloading security intelligence updates. |
| Check For Signature Before Running Scan | Enable this option to check for new security intelligence before running a scan. |
| Signature Update Fallback Order |
Enable this setting to specify the order in which to contact different security intelligence update sources. |
Exclusions
| Feature | Description |
|---|---|
| Excluded Extensions | Specify a list of file type extensions to ignore during a scan. |
| Excluded Paths | Specify a list of directory paths to ignore during a scan. |
| Excluded Processes | Specify a list of files opened by processes to ignore during a scan. |
Additional Settings
| Feature | Description |
|---|---|
| Scan Email | Enable scanning policy settings to scan emails. |
| Scan Network Files | Enable scanning policy settings to configure real-time scanning for files accessed over the network. |
| Scan Scripts | Enable scanning policy settings to scan scripts. |
| Scan Archives | Enable scanning policy settings to configure scans for malicious
software in archive files. Note: This setting does not
apply with Temper protection enabled. |
| UI Access | Disable scanning policy settings to block a user's access to the Windows Defender Antivirus UI. |
| Low CPU Priority | Enable scanning policy settings to configure low CPU priority for the scheduled scans. |
| Scan CPU Load Factor(%) | Configure the maximum percentage of CPU usage allowed during a scan. |
| Behavior Monitoring | Enable the scanning policy to configure Behavior Monitoring. Note: This setting does not apply with Temper protection
enabled. |
| Intrusion Prevention System | Enable scanning policy settings to configure Windows Defender Intrusion Prevention. |
| PUA Protection | Enable scanning policy settings to configure detection of Potentially Unwanted Applications (PUA). |
| IOAV Protection | Enable scanning policy settings to configure the scanning of all
downloaded files and attachments. Note: This setting
does not apply with Temper protection enabled. |
| On Access Protection | Enable scanning policy settings to configure file monitoring and
program activity. Note: This setting does not apply
with Temper protection enabled. |
Full Scan Settings
| Feature | Description |
|---|---|
| Full Scan Required | Enable this scanning policy setting to configure a full scan. |
| Scan Day | Select the day to perform the scheduled scan. |
| Scan Time | Select the time of the day to run the full scan. Note: Full scan runs between 12:00 AM to 11:00
PM. |
| Catchup Full Scan | Enable this scanning policy setting to run a catchup scan if defender
misses a full scan. Note: This scan runs after two
missed scheduled scans. |
| Scan Mapped Network Drives | Enable this scanning policy setting to scan mapped network drives. |
| Scan Removable Drives | Enable this scanning policy setting to scan removable drives such as USB flash drives. |
Quick Scan Settings
| Feature | Description |
|---|---|
| Quick Scan | Select the time of day for quick scan to run daily. Note: Quick scan runs between 12:00 AM to 11:00
PM. |
| Catchup Quick Scan | Enable this scanning policy setting to run a catchup scan if defender
misses the quick scan. Note: This scan runs after two
missed scheduled scans. |