Security Scan Report: cs61.seas.harvard.edu

Redirected to:
https://cs61.seas.harvard.edu/site/2026/
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Submitted: Sep 24, 2026, 2:42:56 PMCompleted: Sep 24, 2026, 2:43:30 PMpubliccompleted

This website contacted 8 IPs in 2 countries across 5 domains to perform 17 HTTP transactions. The main domain is cs61.seas.harvard.edu and was registered 16 years ago.

Submitted URL: https://cs61.seas.harvard.edu

Effective URL:

https://cs61.seas.harvard.edu/site/2026/
Redirected

The Cisco Umbrella rank of the primary domain is #23,419 of the top 1 million websites

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

AI analysis skipped: Low-risk scan (score=23) on well-ranked domain #23,419.

Safety Factors
Well-established domain (ranked #23,419)
No forms or interactive credential elements
No IoC, YARA, or IDS alerts
Domain age information unavailable

Details

Page Title

CS 61

Scan Type

public

Domain Name Analysis

The domain name 'cs61.seas.harvard.edu' uses the sponsored educational top-level domain (.edu) and includes subdomain 'cs61.seas'. The second-level label 'harvard' is 7 characters long split between 2 vowels and 5 consonants. Word splitting yields one word: harvard. Average segment length settles at seven characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://cs61.seas.harvard.edu

Page Load Overview

1.13s
Total Load Time
905 KB
Total Size

Language Analysis

Primary Language

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

Detection Details

HTML Lang Attribute:en
Text Length:2,800 chars
Detector Agreement:100%

Website Classification

Primary Category

technology software85% confidence
Type: dynamic
Method: ml+structural

All Detected Categories

technology software
85%
education
45%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
334.193.34.22Aws · CLOUDAshburn, Virginia, United States
AS14618Amazon.com, Inc.
2104.17.207.5Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
2151.101.193.155Fastly · CDNUnited States
AS54113Fastly, Inc.
2104.17.208.5Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
2151.101.129.155Fastly · CDNUnited States
AS54113Fastly, Inc.
2184.24.77.143Akamai · CDNFrankfurt am Main, Hesse, Germany
AS20940Akamai International B.V.
2184.24.77.135Akamai · CDNFrankfurt am Main, Hesse, Germany
AS20940Akamai International B.V.
2184.24.77.167Akamai · CDNFrankfurt am Main, Hesse, Germany
AS20940Akamai International B.V.
178--

Detected Technologies4

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1D0123495D9E0212F02C362C978A4376A6D574007B104AC25B9BF819F6FF9F431A7FA1E

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

192:MS58dmmzXtbdLVVXyZx4U2aibWWRuMNo8JriXZDckLfQB:MA8dmmzXtDZWypNo8JrwCT

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:9813:dAEUVHBBoQMQFJBCRSshcGwCAQBAJRBhxCdJgalwKYk/YpIgJUghWGgw4fABAE5hsGL27AgMwGggIpDgokoFqAgghYtQAmjI

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:838989ff87c383ff
Perceptual Hash:bd5b2a6594e5d121
Difference Hash:2b3b3b283a0e2730
Wavelet Hash:838989ff8383839f
Color Hash:#40bf62

Other Hashes

Crop Resistant:2b3b3b283a0e2730

Scan History

Scan history not available

Unable to load historical scan data