Microsoft Azure Spam

Question

Microsoft Azure Spam

Kim Rosenberg 5

Is this phone number (805) 304-5357 legitimate? XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Donna Dazzo 0 Reputation points

2026-03-16T19:28:43.4466667+00:00

i got the same email and was wondering the same thing
Peter Verschoor 5 Reputation points

2026-03-16T20:01:06.5966667+00:00

I just got an email about a potentially unauthorized charge for Azure, and got asked to call that phone number. Not sure it is valid. Edit, I researched the email using CoPilot, and it told me it was an email actually sent via an Azure alert, but initiated by a 3rd party (after creating a bogus subscription etc). The email listed is a known scam related number. Recommendation was to toss the email and forget about it.
Donna Dazzo 0 Reputation points

2026-03-16T20:37:37.6566667+00:00

o.k. this is beginning to sound like a scam. I am not calling anyone. I monitor credit card and bank charges daily so if a charge comes up, i will address it then.
Andrew Huey 10 Reputation points

2026-03-17T13:47:00.1866667+00:00

I got this too, and asked Copilot about it. It seems that the scam involves creating a real Azure subscription and some resources in it, then creating an Azure Monitor alert with a custom description that includes that phone number. Then set the email for the alert to the target's email address. So the target gets a real alert email from Azure, for real Azure resources, but they're under a subscription to which the target has no access. So the target calls the phone number in the email and the scammer picks up and then the scam begins... Fairly clever, I guess?

They got me to spend some time this morning trying to figure out if the subscription in question belonged to one of my tenants. I'm responsible (at least in part) for a bunch of Azure subs, and I could tell it was a valid Monitor alert, so it got me worried. I probably should have gone straight to researching the phone number; that would have gotten me to recognize it as a phishing attempt a lot quicker.

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Donna Dazzo 0 Reputation points

2026-03-16T19:28:43.4466667+00:00

i got the same email and was wondering the same thing
Peter Verschoor 5 Reputation points

2026-03-16T20:01:06.5966667+00:00

I just got an email about a potentially unauthorized charge for Azure, and got asked to call that phone number. Not sure it is valid. Edit, I researched the email using CoPilot, and it told me it was an email actually sent via an Azure alert, but initiated by a 3rd party (after creating a bogus subscription etc). The email listed is a known scam related number. Recommendation was to toss the email and forget about it.
Donna Dazzo 0 Reputation points

2026-03-16T20:37:37.6566667+00:00

o.k. this is beginning to sound like a scam. I am not calling anyone. I monitor credit card and bank charges daily so if a charge comes up, i will address it then.
Andrew Huey 10 Reputation points

2026-03-17T13:47:00.1866667+00:00

I got this too, and asked Copilot about it. It seems that the scam involves creating a real Azure subscription and some resources in it, then creating an Azure Monitor alert with a custom description that includes that phone number. Then set the email for the alert to the target's email address. So the target gets a real alert email from Azure, for real Azure resources, but they're under a subscription to which the target has no access. So the target calls the phone number in the email and the scammer picks up and then the scam begins... Fairly clever, I guess?

They got me to spend some time this morning trying to figure out if the subscription in question belonged to one of my tenants. I'm responsible (at least in part) for a bunch of Azure subs, and I could tell it was a valid Monitor alert, so it got me worried. I probably should have gone straight to researching the phone number; that would have gotten me to recognize it as a phishing attempt a lot quicker.

Answer 1

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Answer 2

The legitimacy of a specific phone number such as (805) 304-5357 cannot be determined from the provided information.

For suspicious calls claiming to be from Microsoft or Azure support:

Treat unsolicited calls with skepticism, especially if they:
- Claim urgent security or billing problems.
- Ask for passwords, payment, or remote access.
Microsoft does not make unsolicited tech support calls or include phone numbers in error messages.
If a call or number seems suspicious:
- Hang up immediately.
- Do not provide personal information or grant remote access.
If support is actually needed, initiate contact yourself via official Microsoft Support pages, not via phone numbers given in pop-ups, emails, or unsolicited calls.
Report suspected tech support scams to Microsoft at https://www.microsoft.com/reportascam and, if appropriate, to local law enforcement.

To check whether an issue with a phone number is related to Azure Communication Services usage (for example, being flagged as spam), review calling patterns and ensure they comply with the Azure Communication Services requirements and prohibited-use rules.

References:

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