87,432 questions with Microsoft Security-related tags

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Accidentally downloaded a malicious file and it was a trojan virus, been reoccurring in window security notifications

Hello, I'm wondering how to ensure a permanent removal of a trojan virus after accidentally clicking on a malicious file and downloading it weeks ago. At first it had been reoccurring after a week or two each period where window security will notify me…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-15T06:01:53.7966667+00:00
F.X 0 Reputation points
answered 2026-10-15T06:02:15.66+00:00

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1 answer

need human to contact

can I get a human to contact me by email? I have account but can not access at all after signing in asked me to enter code from authenticator app which I can't access. anyone can email me back? my email address ******@hotmail.com

Microsoft Security | Microsoft Authenticator
asked 2026-10-15T05:49:24.3566667+00:00
Nat Hayter 0 Reputation points
answered 2026-10-15T05:49:37.5833333+00:00

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1 answer

Compromised Microsoft Account — Original Email No Longer Exists

I have now attempted to sign in using my original Microsoft account email address, but Microsoft reports that the account does not exist. I suspect that an unauthorised person may have removed my original email address as a sign-in alias and replaced it…

Microsoft Security | Microsoft Identity Manager
asked 2026-10-15T05:24:30.1933333+00:00
WANNI HUANG 0 Reputation points
answered 2026-10-15T05:25:34.2066667+00:00

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0 answers

Sole Global Admin (personal Microsoft account) blocked by security defaults (AADSTS530035) - cannot sign in or open a support request

I created an Azure pay-as-you-go subscription with my personal Microsoft account on 2026-10-06. That account is the only Global Administrator of the tenant and the subscription Owner. Since 2026-10-14 every sign-in to the tenant fails with AADSTS530035…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-15T05:12:52.8466667+00:00
Azure-tenant-owner 0 Reputation points
1 answer One of the answers was accepted by the question author.

To check which microsoft antivirus is installed

How can I check whether I am on Microsoft defender or Windows security? And how to execute them?

Microsoft Security | Microsoft Defender | Other
asked 2026-10-15T04:47:20.59+00:00
Noordin Ahmad 0 Reputation points
accepted 2026-10-15T04:55:08.3366667+00:00
Noordin Ahmad 0 Reputation points
3 answers

Is the email ******@microsoftsupport.com a genuine support email or a scam?

Hello, I am unable to update my payment (new card) information. After using Microsoft's online help, I received a follow-up email from ******@microsoftsupport.com Is this an official Microsoft customer service email address or a scam email address? Thank…

Microsoft Security | Active Directory Federation Services
asked 2026-09-17T13:38:07.99+00:00
Jenny HUA 0 Reputation points
answered 2026-10-15T04:20:48.9333333+00:00
Tony L 0 Reputation points
2 answers

My school email account was deleted?

I have a school email that was in use four months ago. At first I was having trouble signing in as it needs the Microsoft authenticator app to validate, however, I was also signed out of the authenticator app and have no way to access the two other…

Microsoft Security | Microsoft Authenticator
asked 2026-10-15T02:40:53.7366667+00:00
Grace Romanoff 0 Reputation points
answered 2026-10-15T03:25:30.9+00:00
EmilyS_726 30,795 Reputation points Volunteer Moderator
0 answers

Are All Free Antiviruses Now At The 100% Virus Detection Rates In 2026?/ Just A Few Reached That Target?

In 2026,Experts are claming that all free and paid antiviruses have reached the 100% virus detection rates,and it's just not worth moving from one free antivirus to another one free/paid?.AV-Comparatives also show weird end results,as shown in a…

Microsoft Security | Microsoft Defender | Microsoft Defender for Cloud
asked 2026-10-15T02:33:26.2766667+00:00
maroner pierre 65 Reputation points
0 answers

Locked out of Entra/Tenant

Hey, I was trying to set up the free tier of a tenant through Azure to experiment in Entra. Unsure if I explained that well but here is how I locked myself out. In Entra users, I converted my personal account from an external to an internal user,…

Microsoft Security | Microsoft Entra | Other
asked 2026-10-15T01:39:30.5533333+00:00
Matthew 0 Reputation points
1 answer

Entra ID Free after Azure free-trial expiry: personal Microsoft-account OAuth without PAYG

I am preparing a locally hosted personal email application. Zero mandatory subscription charges is a firm requirement. I have not created an Azure subscription and do not want a paid plan, premium trial, or hosted Azure resources. Please clarify the…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-15T01:33:22.0766667+00:00
Steve Lutz 0 Reputation points
answered 2026-10-15T01:35:43.95+00:00

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1 answer

HTTP 502 errors in NGINX reverse proxy when processing large Microsoft Entra ID SSO headers

We are experiencing intermittent HTTP 502 errors on our NGINX reverse proxy when users authenticate through Microsoft Entra ID Single Sign-On. During the authentication process, the authorization headers and identity claims returned by Microsoft Entra ID…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-14T03:35:45.7633333+00:00
Jiya Raha 100 Reputation points
edited the question 2026-10-15T01:21:50.55+00:00
Daphne Huynh (WICLOUD CORPORATION) 1,980 Reputation points Microsoft External Staff Moderator
0 answers

Publisher verification fails with "MPN ID has not completed the vetting process" although Partner Center account is fully verified

Hello, I cannot mark my multitenant Microsoft Entra app as publisher verified. Calling setVerifiedPublisher (and using "Add MPN ID to verify publisher" in the portal) returns: "The MPN ID (7168720) you provided has not completed the…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-15T00:48:47.0366667+00:00
Haris 0 Reputation points
1 answer

Microsoft Authenticator – Lost 2FA Codes After Phone Change | Account Recovery Assistance

I'm reaching out for assistance with Microsoft Authenticator after losing access to my authentication codes when I switched to a new iPhone. My previous phone had Microsoft Authenticator set up to generate two-factor authentication (2FA) codes for my…

Microsoft Security | Microsoft Authenticator
asked 2026-10-15T00:11:34.11+00:00
Martina Adrianza 0 Reputation points
answered 2026-10-15T00:11:51.95+00:00

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2 answers

Microsoft account immediately locked again after successful reinstatement/recovery

First of all, I had to make this post with another Microsoft account...My Microsoft account was locked, and I completed Microsoft’s recovery/reinstatement process. Microsoft approved it and sent me an email confirming that the account had been unlocked.…

Microsoft Security | Microsoft Authenticator
asked 2026-10-14T22:54:46.8266667+00:00
Braden P Wuesthoff 0 Reputation points
answered 2026-10-15T00:01:05.1666667+00:00
Dio Xavier 297.2K Reputation points Volunteer Moderator
1 answer

Windows ONLY allows login using Passcode. Passwords no longer work.

Just, 10/14//26, updated Windows 365 Pro Family plan. I also subscribe to MS Office pro 365. Since immediatly after update & reboot, all my passwords no longer work. Everything only wants passcodes. I have several MS email Accounts, and all are…

Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
asked 2026-10-14T23:37:20.9766667+00:00
Norm Johnson 0 Reputation points
answered 2026-10-14T23:38:22.4266667+00:00
Norm Johnson 0 Reputation points
0 answers

Error Code: AADSTS5000224

Hello, I am reaching out hoping to get this fixed ASAP. All admins and users can't sign in to our Microsoft tenant. The error code "AADSTS5000224" appears whenever we try to log in to Entra Admin center. The exact error message is... The…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-14T23:34:25.0666667+00:00
LemerySHS 0 Reputation points
0 answers

old phone still registered but does not have service

my old phone is still registered but dose not have service

Microsoft Security | Microsoft Authenticator
asked 2026-10-14T22:11:04.04+00:00
A B 0 Reputation points
0 answers

Where???????

Whee do I put the code at? Bc it is not working for me

Microsoft Security | Microsoft Authenticator
asked 2026-10-14T21:58:16.28+00:00
XxRIP BOZO 0 Reputation points
4 answers

Azure Enterprise App/App Registration tracking

I am looking for an efficient way of tracking Enterprise Apps and App Registrations. More specifically, tracking when App certificates or secrets expire. What ways does your organization use to track their Azure Applications?

Azure
Azure

A cloud computing platform and infrastructure for building, deploying and managing applications and services through a worldwide network of Microsoft-managed datacenters.

1,838 questions
Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2024-08-12T13:13:13.46+00:00
Pawlak, Owen - (BOS) 0 Reputation points
answered 2026-10-14T21:44:40.9566667+00:00
Martin Müller 0 Reputation points
1 answer

Tenant lockout: sole Global Administrator (personal Microsoft account) lost access to MFA authenticator

I'm the only Global Administrator of my own Azure tenant. It's the directory that was created automatically when I signed up for Azure with my personal Microsoft account (an outlook.com address). When I sign in to the Azure portal or the Microsoft Entra…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-10-14T21:07:05.31+00:00
Leonardo suarez 0 Reputation points
answered 2026-10-14T21:07:53.1733333+00:00

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