Update attack-simulation-training-get-started.md

@chrisda  updated TWN as an additional region where AST is available.

Author: richa-b23

defender-office-365/attack-simulation-training-get-started.md

@@ -65,7 +65,7 @@ Watch this short video to learn more about Attack simulation training.
 
 - There are no corresponding PowerShell cmdlets for Attack simulation training.
 
-- Attack simulation and training related data is stored with other customer data for Microsoft 365 services. For more information, see [Microsoft 365 data locations](/microsoft-365/enterprise/o365-data-locations). Attack simulation training is available in the following regions: APC, EUR, and NAM. Countries within these regions where Attack simulation training is available include ARE, AUS, BRA, CAN, CHE, DEU, ESP, FRA, GBR, IND, ISR, ITA, JPN, KOR, LAM, MEX, NOR, POL, QAT, SGP, SWE, and ZAF.
+- Attack simulation and training related data is stored with other customer data for Microsoft 365 services. For more information, see [Microsoft 365 data locations](/microsoft-365/enterprise/o365-data-locations). Attack simulation training is available in the following regions: APC, EUR, and NAM. Countries within these regions where Attack simulation training is available include ARE, AUS, BRA, CAN, CHE, DEU, ESP, FRA, GBR, IND, ISR, ITA, JPN, KOR, LAM, MEX, NOR, POL, QAT, SGP, SWE, TWN and ZAF.
 
   > [!NOTE]
   > NOR, ZAF, ARE and DEU are the latest additions. All features except reported email telemetry are available in these regions. We're working to enable the features and we'll notify customers as soon as reported email telemetry becomes available.