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Cyfun.dev Reputation Check

October 20, 2026 at 1:38 AM
Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Cyfun → Safety Check

First checked October 20, 2026 at 1:38 AM
Website content and technical signals analyzed
Method: automated checks.
Trusted but Verify Key details in this review: cybersecurity tools and services and recent domain registration. Review the evidence before relying on the site.
Trust signal radar Normalized trust signals for cyfun.dev Domain Maturity: 1 days Domain Maturity Warning Cleanliness: 0 detections Warning Cleanliness Safety Level: 0 negative tags, 2 warning signals Safety Level Positive Signals: 2 positive signals Positive Signals Popularity: Estimated low traffic without Tranco or social profile data Popularity Trust Zone: .dev Trust Zone Operational Signals: 0 detected services Operational Signals Location Credibility: Hosting country US Location Credibility
Figure 1. Trust signal radar for cyfun.dev. Larger shaded area indicates stronger trust signals.

How we scored cyfun.dev

On-page mentions:
Cybersecurity
Tech signals:
GitHub Profile
Positive signals:
Negative signals:
  • a relatively new domain (1 day)
Context signals:
  • content related to cybersecurity tools for malware and phishing defense
Last checked October 20, 2026 at 1:38 AM by Gridinsoft Trust Model v2.5.8
This domain was registered October 19, 2026 at 12:39 AM through the company Cloudflare, Inc. and ownership information is not publicly available.

About cyfun.dev

We reviewed cyfun.dev and found a mix of positive and cautionary signals. The site does not currently look like a confirmed scam, but the evidence is not strong enough to treat it as fully established either. The current trust score is 60/100. Key signals include cybersecurity tools and services, recent domain registration, and generic page wording. Verify key details and recent independent feedback before relying on this site for important actions.

FAQ

Is cyfun.dev safe?

Based on current analysis, cyfun.dev appears to be generally safe overall, although some caution points still remain. Important context includes cybersecurity tools and services and recent domain registration. Basic verification is still recommended.

Why does cyfun.dev have mixed reputation signals?

Key factors include registrar information (Cloudflare, Inc.), hosting in US, and content related to cybersecurity tools for malware and phishing defense. Major malware and phishing engines did not report active blacklist detections at the time of review. The trust score blends security detections, domain and infrastructure signals, and on-page behavior patterns. Overall, this points to a mixed profile rather than a clearly safe one.

Cyfun Digital Footprints

A structured view of the site's detected themes, page signals, and related online footprint elements.

Cybersecurity
AI-generated Text

This site contains text patterns consistent with machine-generated or AI-assisted content production.

Social Media Links

The presence of social media links on the website indicates that it references social media accounts. This signal alone does not confirm ownership or authenticity of those profiles.

GitHub Profile

cyfun.dev links to a GitHub profile or public repository associated with the project. This is a useful transparency signal, especially when the account has public activity.

Long Term Domain

This site is registered for an extended period, which is generally a positive continuity signal.

Young Domain

This site was registered recently, which limits historical reputation data and long-term trust signals.

High Trust Score
Color Guide
  • Requires special attention Marks high-risk findings that should be reviewed first.
  • Exercise caution Highlights areas involving user data, payments, or permissions.
  • Positive indicators Shows trust signals that support the site's reliability.
  • Neutral General context that does not increase or reduce risk on its own.

Domain Information

Created October 19, 2026 at 12:39 AM Updated: October 19, 2026 at 12:39 AM · Expires: October 19, 2028 at 12:39 AM
Domain Age 1 day Recently Registered
Registrar Cloudflare, Inc.
Abuse Email [email protected]
Domain Status Client Transfer Prohibited · Add Period
Top Level Domain .dev Generic TLD

Technical Details

IP Address 185.199.111.153
Hostname cdn-185-199-111-153.github.com
Hosting Provider Fastly, Inc. San Francisco, California, US · Hosting Provider · Anycast
Network AS54113 - Fastly, Inc. Hosting
SSL Certificate YR2 TLSv1.3 · Valid for: 3 months · from October 19, 2026 at 9:29 PM · to January 17, 2027 at 9:29 PM
Name Servers jewel.ns.cloudflare.com
lou.ns.cloudflare.com

Content from the analyzed website

Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.

Original page title cyfun | Sachin Kumar, Security Research
Original description Sachin Kumar's personal security research site. Threat hunting, reverse engineering, eBPF security, EDR internals, and vulnerability research.
Primary Language
Profile
Sachin · S4CH · 167 followers · 44 repos · 5.7 years
Mentioned hosts (6)
cyfun.dev fonts.googleapis.com fonts.gstatic.com gohugo.io www.linkedin.com github.com

Are You the Owner?

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Your score for cyfun.dev
60
points /100
The score is based on a 1-100 scale, with 100 being the most reputable.
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