Security Scan Report: api-4cae5764.duosecurity.com

Redirected to:
https://duo.com/
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Submitted: Aug 17, 2026, 8:48:00 PMCompleted: Aug 17, 2026, 8:48:47 PMpubliccompleted

Summary

This website contacted 4 IPs in 2 countries across 4 domains to perform 2 HTTP transactions. The main domain is duo.com and was registered NaN years ago.

Submitted URL: https://api-4cae5764.duosecurity.com

Effective URL: https://duo.com/Redirected

The Cisco Umbrella rank of the primary domain is #1,195 of the top 1 million websitesTop 10K Site

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

The site is an official Duo Security subdomain with no malicious indicators; it is legitimate.

Safety Factors
Official brand subdomain
Well‑established domain age
Absence of forms or credential collection
No malicious JavaScript or network indicators
Domain age information unavailable

Details

Page Title

Complete Identity Security & MFA Solutions | Cisco Duo

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

adult content

(49%)

Domain Information

You're looking at domain 'api-4cae5764.duosecurity.com' on the commercial generic top-level domain (.com) and includes subdomain 'api-4cae5764'. The core label 'duosecurity' covers 11 characters with 5 vowels and 6 consonants. Tokenizing the label suggests two words: duo, security. The median word length lands at 5.5 characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://api-4cae5764.duosecurity.com

Page Load Overview

2.92s
Total Load Time
88
HTTP Requests
13
Domains
7.3 MB
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:11,323 chars
Detector Agreement:100%

Website Classification

Primary Category

adult content49% confidence
Type: spa
Method: ml+structural+ocr_tiebreaker

All Detected Categories

adult content
49%
government public service
45%
corporate
35%
technology software
25%

Detected Features

Search
OG: website
Schema.org

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
22146.75.122.132Fastly · CDNFrankfurt am Main, Hesse, Germany
AS54113Fastly, Inc.
222.23.244.120Frankfurt am Main, Hesse, Germany
AS16625Akamai Technologies, Inc.
223.161.82.84Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
223.145.240.104Aws · CLOUDColumbus, Ohio, United States
AS16509Amazon.com, Inc.
884--

Page Statistics

88
Requests
13
Unique Domains
7.6 MB
Total Size

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T11D54815778E1721AE6D38369A6A27A897910980FFD335CDCF24D53784FCDBE24C1260A

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

1536:473/8dvZ6XtYnpWzic2Jfff3Mdbj8HZF+hXz9JAG4tB65/HcsznGbtT+khMwtZIt:4710Gh14tBuPDznGbFjntZIzuCey

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:303482:hpkhCQqwAZ0BCm5RMqJ2QETgQpIiascAgwKEY83BBklGAKT8QpNigI9QwMO0DboQCFIOCxEAgAGhYwCWIMw9BwKc4nBUaoCI

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:ffffffffff818181
Perceptual Hash:b9d26c7bc2392c85
Difference Hash:4915160c0b333333
Wavelet Hash:a4c3c7efef818181
Color Hash:#799ad2

Other Hashes

Scan History

Scan history not available

Unable to load historical scan data