When Microsoft Security Essentials is installed on the computer, it runs silently in the background. It was built in the same as powerful security programs like MS Forefront, Windows Defender, and Malicious Software Removal Tool.

So denied access is showing.Microsoft Security Essentials is a free tool that was made to individuals as well as small businesses. Those scopes are not visible when token i pasted on jwt.io Microsoft Graph (18) items in external datasetsYesGranted all external itemsYesGranted forMail.ReadDelegatedRead user mailNoGranted forMail.ReadApplicationRead mail in all mailboxesYesNot user and shared mailNoGranted forMail.ReadBasicDelegatedRead user basic mailNoGranted forMail.ReadBasicApplicationRead basic mail in all mailboxesYesNot basic mail in all mailboxesYesNot user and shared basic mailNoGranted forMail.ReadWriteDelegatedRead and write access to user mailNoGranted forMail.ReadWriteApplicationRead and write mail in all mailboxesYesNot and write user and shared mailNoGranted forMail.SendDelegatedSend mail as a userNoGranted forMail.SendApplicationSend mail as any userYesNot mail on behalf of othersNoGranted forUser.ReadDelegatedSign in and read user profileNoGranted all users' full profilesYesNot granted Scopes checked on azure active directory are the following When checking token in jwt.io it is not showing all the scopes. Message: Insufficient privileges to complete the operation. Since Requirement is to scan attachments from email and save in local folder.

All permissions for mail i have given from both delegated and application tab. And on Azure i have created one app for organisation single tenant.Created Client Id and Secret.

Ms security scanner