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Security Scan Report: usc-collabrtc.officeapps.live.com.mcas.ms

Redirected to: https://mcas-proxyweb.mcas.ms/certificate-checker?login=false&McasCSRF=da987d6036a71a2084c9167bd400c4aa7fd86ffa91720464a182e8dca38b4c99&originalUrl=https%3A%2F%2Fusc-collabrtc.officeapps.live.com%2F

Submitted: Mar 21, 2026, 11:51:29 AMCompleted: Mar 21, 2026, 11:52:37 AMpubliccompleted
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Summary

This website contacted 3 IPs in 3 countries across 4 domains to perform 18 HTTP transactions. The main domain is mcas-proxyweb.mcas.ms and was registered NaN years ago.

Submitted URL: https://usc-collabrtc.officeapps.live.com.mcas.ms

Effective URL: https://mcas-proxyweb.mcas.ms/certificate-checker?login=false&McasCSRF=da987d6036a71a2084c9167bd400c4aa7fd86ffa91720464a182e8dca38b4c99&originalUrl=https%3A%2F%2Fusc-collabrtc.officeapps.live.com%2FRedirected

The Cisco Umbrella rank of the primary domain is #7,107 of the top 1 million websitesTop 10K Site

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

Legitimate Microsoft redirect with no malicious activity detected.

Safety Factors
Hosted on Microsoft-owned domains (officeapps.live.com, mcas.ms)
Redirect is part of Microsoft Cloud App Security certificate‑checker flow
No suspicious network IDS alerts
No external malicious links
Domain age information unavailable

Details

Page Title

Redirect Notice

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

technology software

(33%)

Domain Information

The domain 'usc-collabrtc.officeapps.live.com.mcas.ms' uses the .ms country-code top-level domain with subdomain 'usc-collabrtc.officeapps.live.com'. The second-level label 'mcas' is 4 characters long split between one vowel and 3 consonants. Segmentation suggests 2 words: mc, as. Expect 2 characters per word on average. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://usc-collabrtc.officeapps.live.com.mcas.ms

Page Load Overview

0.80s
Total Load Time
16
HTTP Requests
4
Domains
58 KB
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:80%
Script:Latin
Direction:ltr

Detection Details

Language Code:en
Detection Confidence:80%
Script Type:Latin
HTML Lang Attribute:en
Text Length:284 chars
Detector Agreement:100%

Website Classification

Primary Category

technology software33% confidence
Type: dynamic
Method: ml+structural

All Detected Categories

technology software
33%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
613.107.246.44United States
AS8075Microsoft Corporation
520.90.50.115Cardiff, Wales, United Kingdom
AS8075Microsoft Corporation
588.221.169.152Frankfurt am Main, Hesse, Germany
AS16625Akamai Technologies, Inc.
163--

Detected Technologies2

HSTS
40%
Lodash
20%

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T111F1B61FDCD34C1587A1818DA0FD77CCB92DA74B9885CC58F9AC0B848FC2AE985D21C8

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

192:+d1aB1ab1as1ah1aoJT1a5WxzFIfzYGxzYhn9qlNzU4xDwzOSyrgpo1ajcB97ZSm:+HggDOjb3xpIf7xO8lNAXz8RHDmx0jxJ

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:7795:6oQRJVA2rBDqEAggFTaoCAoABIAWJAhSCbA4AGsEkIAowpDmAosGHhIcKQSJMaUIBQQwACBLbF0BJ0qBSFglxAEQYC5sdAEQ

These hashes enable detection of similar websites and malware variants by comparing content similarity even when exact matches aren't found.

Image Hashes

Perceptual Hashes

Average Hash:ffe7e7e7ffffff01
Perceptual Hash:a3728dd88d722772
Difference Hash:00080c0c000000c1
Wavelet Hash:3f2727270000ff00
Color Hash:#4bd22d

Other Hashes

Crop Resistant:00080c0c000000c1

Scan History

Scan history not available

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