Update security.md (#62833)

Author: RyanCavanaugh

SECURITY.md

@@ -2,7 +2,7 @@
 
 ## Security
 
-Microsoft takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organizations, which include [Microsoft](https://github.com/Microsoft), [Azure](https://github.com/Azure), [DotNet](https://github.com/dotnet), [AspNet](https://github.com/aspnet) and [Xamarin](https://github.com/xamarin).
+Microsoft takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organizations.
 
 If you believe you have found a security vulnerability in any Microsoft-owned repository that meets [Microsoft's definition of a security vulnerability](https://aka.ms/security.md/definition), please report it to us as described below.
 
@@ -12,9 +12,7 @@ If you believe you have found a security vulnerability in any Microsoft-owned re
 
 Instead, please report them to the Microsoft Security Response Center (MSRC) at [https://msrc.microsoft.com/create-report](https://aka.ms/security.md/msrc/create-report).
 
-If you prefer to submit without logging in, send email to [secure@microsoft.com](mailto:secure@microsoft.com).  If possible, encrypt your message with our PGP key; please download it from the [Microsoft Security Response Center PGP Key page](https://aka.ms/security.md/msrc/pgp).
-
-You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Additional information can be found at [microsoft.com/msrc](https://www.microsoft.com/msrc). 
+You should receive a response within 24 hours. If for some reason you do not, please follow up using the messaging functionality found at the bottom of the Activity tab on your vulnerability report on [https://msrc.microsoft.com/report/vulnerability](https://msrc.microsoft.com/report/vulnerability/) or via email as described in the instructions at the bottom of [https://msrc.microsoft.com/create-report](https://aka.ms/security.md/msrc/create-report). Additional information can be found at [microsoft.com/msrc](https://www.microsoft.com/msrc) or on MSRC's [FAQ page for reporting an issue](https://www.microsoft.com/en-us/msrc/faqs-report-an-issue).
 
 Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue: