microsoft365updates.com is a phishing domain built to look like an official Microsoft 365 update channel. It targets people who use Microsoft work or personal accounts and are used to routine update and security notices. PhishDestroy first saw it on 2026-10-08. When last checked on 2026-10-19, the site was still alive and serving a redirect.
How the scam works
Schemes like this rely on the name alone. A link to a domain mentioning Microsoft 365 updates looks believable in an email or chat message urging the recipient to install an update, re-verify an account or fix a sign-in problem. The page currently titled "Redirecting" sends visitors onward rather than showing content itself, which is how such lures usually hand victims to a fake Microsoft sign-in form. Anyone who types their password there gives attackers access to their mailbox, files and anything else connected to that Microsoft account. The visible title shows only a redirect, while the domain is classified as Microsoft impersonation phishing.
Evidence
On VirusTotal, 15 of 92 security engines flag the domain as of 2026-10-12. That is a minority, but it includes established names: alphaMountain.ai, BitDefender, CyRadar, DNS8, ESET, Forcepoint ThreatSeeker, G-Data and Google Safe Browsing. Google Safe Browsing labels it SOCIAL_ENGINEERING, which means Chrome, Firefox and Safari users should see a warning page. The domain also appears on the PhishDestroy and Phishunt blocklists, and two AlienVault OTX threat pulses reference it.
Infrastructure
The domain was registered on 2026-03-17 through Cloudflare, Inc. This is roughly seven months before PhishDestroy first saw it, so it was either registered early and left dormant or ran quietly before being caught. It resolves to 188.114.96.1 on Cloudflare's network, geolocated to Canada. That address belongs to Cloudflare's proxy rather than the server actually hosting the content, so the true origin is not exposed.
What to do
If you entered a Microsoft password after following a link to this domain, change it immediately from Microsoft's own account page. Then sign out of all sessions and review recent sign-in activity. Turn on or re-enroll multi-factor authentication, check your mailbox for forwarding rules or inbox rules you did not create, and change the password anywhere else you reused it. Organizations should block the domain at the mail gateway, proxy and DNS layers, search logs for users who reached it, and force credential resets for anyone who did.
Saved certificate metadata. Certificate dates without a timezone are shown as stored. Transport encryption does not establish that the site is trustworthy.
Latest HTTP observationRedirectingHTTP redirect observed80%2026-10-19 22:31:15 UTC
RDAP registration不明
Observed timelinelast reachable: 2026-10-19 22:35:35 UTC
Availability, content, DNS and registration are independent evidence layers. NXDOMAIN, an unreachable origin or missing content alone does not prove registrar action. A registrar or provider is credited only when a direct technical marker identifies that actor. Report causality is shown separately.
Recorded subdomains1
Hostnames retained in the domain record or Certificate Transparency cache. A hostname alone does not establish current availability or malicious activity.
testing.microsoft365updates.comDomain record
The original observation time is not recorded for these hostnames.
使用技術 · 2 identified
J
jQuery
JavaScript libraries
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Keep original emails, receipts, messages and screenshots in a secure place. A factual timeline helps the receiving authority understand what happened. IC3 evidence guidance ↗
Payment records — if you paid, save the receipt, amount, date, payment provider and recipient details.
Your bank or payment provider — contact its fraud team promptly through official contact details if money or card information was exposed.
地元の警察 — たとえ直ちに行動を起こせなくても、公式な記録が残される
A report is not a guarantee of recovery or investigation, but prompt, accurate transaction data can help authorities and service providers trace the incident.
詐欺による金銭の返還を装った詐欺 — fraudsters pose as recovery agents and demand upfront fees. Never share a seed phrase or pay before independently verifying the provider
About this reportSources, observation dates and corrections
This report combines saved page captures, registration and network records, scanner results and PhishDestroy reporting history. Each source keeps its own observation date. Open a source report to inspect the original result.
The AI-assisted analysis was written on . It describes the evidence available at that time; later source checks can change.
A capture documents what was shown. A scanner result records that provider’s assessment at the time of its check. Neither a valid certificate nor a zero-detection result is a guarantee of safety.
(US)
