84,491 questions with Microsoft Security-related tags

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How do I see sign in attempts

I keep getting authentication requests. How do I see sign in attempts

Microsoft Security | Microsoft Authenticator
asked 2026-06-08T17:45:53.04+00:00
Sharon Haire 0 Reputation points
answered 2026-06-08T17:46:19.8566667+00:00

AI answer

2 answers

windows 10 device has a error code & I do not know where it came from

My Windows 10 device has an alleged security issue with a fake code & pushing the Windows key & escape has not gotten rid of the screen, the cursor does not move to "deny" the fraud. I am not calling that alleged Microsoft #…

Microsoft Security | Microsoft Defender | Other
asked 2026-06-08T16:29:47.11+00:00
Secret Star 0 Reputation points
answered 2026-06-08T17:44:31.9933333+00:00
Secret Star 0 Reputation points
1 answer

I NEED HELP TO RECOVERING MY ACCOUNT

i need help to recovering my microsoft app AUTHENTICATOR

Microsoft Security | Microsoft Authenticator
asked 2026-06-08T17:30:18.2766667+00:00
Kelvin Tapia 0 Reputation points
answered 2026-06-08T17:31:02.8333333+00:00

AI answer

1 answer

Azure Portal access error: AADSTS5000225 (tenant blocked due to inactivity)

When trying to access the Azure portal, I am unable to sign in successfully. After authenticating with my Microsoft account, I receive the following error: interaction_required: AADSTS5000225: This tenant has been blocked due to inactivity. The tenant…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-02T17:11:14.1533333+00:00
Antonio Calderón Corrales 0 Reputation points
commented 2026-06-08T17:26:36.4933333+00:00
Rukmini 42,025 Reputation points Microsoft External Staff Moderator
1 answer

Unable to cancel or remove training assigned through Defender Attack Simulation

Users are continuing to receive reminder emails for phishing training that was automatically assigned through Microsoft Defender for Office 365 Attack Simulation Training. I need a way to cancel or remove the assigned training without deleting the…

Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
asked 2026-06-08T17:16:53.0433333+00:00
P. S 0 Reputation points
edited the question 2026-06-08T17:21:46.7033333+00:00
P. S 0 Reputation points
1 answer

Dont Have access My tenant/Global Admin account

Good morning, We are the administrators of the company’s Microsoft 365 tenant. Since I change my autheticator phone the only Global Administrator account has been locked out, and we are unable to access the Admin Center. We need to initiate a Tenant…

Microsoft Security | Microsoft Authenticator
asked 2026-06-08T17:09:18.03+00:00
Alejandra Martinez 0 Reputation points
answered 2026-06-08T17:09:59.41+00:00

AI answer

2 answers

I need advice on recovering access to my Hotmail account's security settings

I created a Hotmail account while living in Australia and enabled two-factor authentication (2FA) using an Australian mobile number. I have since left Australia and no longer have access to that phone number. Important details: I still know my account…

Microsoft Security | Microsoft Authenticator
asked 2026-06-08T16:53:09.04+00:00
Mohammed Wahidur Rahman 0 Reputation points
answered 2026-06-08T17:01:28.0733333+00:00
Mohammed Wahidur Rahman 0 Reputation points
2 answers

My authenticator question

I keep receiving emails from my Microsoft authenticator telling me that I have a request for a sign in and to choose one of three numbers that show up on my Microsoft account. Someone’s trying to login and I don’t know who it is. How do I find out please…

Microsoft Security | Microsoft Authenticator
asked 2026-06-07T19:20:31.24+00:00
howard jones 0 Reputation points
edited an answer 2026-06-08T16:59:39.4766667+00:00
Killian N 1,140 Reputation points Independent Advisor
1 answer One of the answers was accepted by the question author.

Unable to complete MFA on a guest-admin directory — error 399287, Authenticator lost, sole admin

I am locked out of MFA for one tenant where I am the sole guest administrator. Signing in and completing MFA to my home directory works fine. The problem is only when I use the same account to access an external directory where I'm a guest admin. On…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-08T16:11:09.6466667+00:00
Uri 0 Reputation points
accepted 2026-06-08T16:48:32.4733333+00:00
Uri 0 Reputation points
1 answer

Lost authenticator app link to personal Azure account. How to fix?

My authenticator app has been cycled since the last time I used my developer Azure account. How can I get into the account to fix this? The only options it gives me is enter a code from the authenticator app or respond to a request in the authenticator…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-06T10:50:50.2866667+00:00
Michael Jordan 20 Reputation points
commented 2026-06-08T16:41:01.1166667+00:00
Michael Jordan 20 Reputation points
2 answers

somebody was trying to log in to my account

I've never seen this before but last night someone was trying to log into my Microsoft account multiple times. There were multiple emails with a code to use to log on. I shut down the laptop and this morning managed to change my login code. Is that…

Microsoft Security | Microsoft Authenticator
asked 2026-06-03T14:52:50.5566667+00:00
Paul 0 Reputation points
commented 2026-06-08T16:38:08.4133333+00:00
Alina Le 2,205 Reputation points Independent Advisor
1 answer One of the answers was accepted by the question author.

Trying to login to portal.azure.com and it says "Your account has been locked. Contact your support person to unlock it, then try again."

Trying to login to portal.azure.com and it says "Your account has been locked. Contact your support person to unlock it, then try again." Can someone help here..?

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-08T16:16:26.21+00:00
shiva patpi 13,376 Reputation points Microsoft Employee Moderator
accepted 2026-06-08T16:34:25.04+00:00
shiva patpi 13,376 Reputation points Microsoft Employee Moderator
0 answers

Solicitud de recuperación de acceso a Power BI

Estimado equipo de soporte: Me comunico con ustedes para solicitar su ayuda en la recuperación del acceso a mi cuenta de Power BI. Actualmente no puedo iniciar sesión debido a que perdí el teléfono celular donde tenía configurada la aplicación Microsoft…

Microsoft Security | Microsoft Authenticator
asked 2026-06-08T16:26:58.1133333+00:00
Latco Universal 0 Reputation points
0 answers

Deleting an Entra App with no owners.

I am looking to delete an entra app thats not needed anymore as the app is triggering S360 alerts. App doesn't have any owners attached to. it and is abandoned.

Microsoft Security | Microsoft Entra | Other
asked 2026-06-08T16:26:49.8333333+00:00
Priyanka Hurakadli 65 Reputation points Microsoft Employee
1 answer One of the answers was accepted by the question author.

Sign-in failed Error code: AADSTS5000224

Hi, I can't login to my old Azure account no matter what I tried. Error code: AADSTS5000224 The tenant you are trying to access has been deauthenticated and is no longer available. Try signing in again. Error message: interaction_required:…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-31T01:53:53.9433333+00:00
Edward Jun 20 Reputation points
accepted 2026-06-08T16:25:07.0666667+00:00
Edward Jun 20 Reputation points
1 answer One of the answers was accepted by the question author.

Unable to complete MFA to sign in — SMS and voice both fail with error 399287, Authenticator device lost, sole admin

I am locked out of MFA and cannot sign in to the Azure portal / switch into the directories where I am the administrator. Background: I switched phones and could not recover Microsoft Authenticator (cloud restore lists the work account but cannot…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-08T15:31:31.8+00:00
Uri 0 Reputation points
accepted 2026-06-08T16:09:45.08+00:00
Uri 0 Reputation points
0 answers

Custom Domain Names in Microsoft Entra ID not verifying

I've followed the steps, waited several days for the DNS record to propagate, and it still doesn't verify. Using tools such as dig I can verify that the correct TXT record exists. What can I do to fix this?

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-06-08T15:42:53.0233333+00:00
Heronic Technologies 0 Reputation points
commented 2026-06-08T15:51:12.7866667+00:00
Sridevi Machavarapu 32,160 Reputation points Microsoft External Staff Moderator
2 answers

Multiple Phishing Emails Bypassing ATP

We are currently under an active and ongoing phishing/spam campaign that has been continuously targeting our organization for the past several days. Despite having Microsoft Defender for Office 365 Plan 2 fully enabled and correctly configured security…

Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
asked 2026-06-04T10:54:21.2166667+00:00
Abdul Waqas 0 Reputation points
edited an answer 2026-06-08T15:28:12.4233333+00:00
Derek Morgan II 0 Reputation points
0 answers

AADSTS5000224 tenant deauthenticated - global admin cannot sign in, need tenant reauthentication

I am the owner/global admin of a Microsoft 365 / Entra tenant and cannot sign into any Microsoft service for the tenant. All sign-in attempts fail with: Error code: AADSTS5000224 Message: The tenant you are trying to access has been deauthenticated and…

Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2026-05-06T01:06:05.6266667+00:00
J Muzhen 40 Reputation points
commented 2026-06-08T15:24:31.3+00:00
J Muzhen 40 Reputation points
1 answer

Microsoft Defender causing high CPU usage after latest Windows update?

After the latest Windows update, Microsoft Defender seems to use unusually high CPU resources in the background. I noticed the issue mostly during scans and while opening multiple Microsoft 365 applications. I’ve checked Windows Security settings …

Microsoft Security | Microsoft Defender | Other
asked 2026-05-22T03:52:17.71+00:00
answered 2026-06-08T15:24:30.4833333+00:00
Catherine Kyalo 3,100 Reputation points Microsoft Employee