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sider.ai

Category: Information Technology, AI, Ml Applications

Scanned: Nov 1, 2026, 19:15 UTC · First seen: Nov 1, 2026 · Threat Engines: 1 / 93 · Times Scanned: 1
73 / 100 Trust Score Based on scan findings at the time of analysis
Low Risk
0 - High Risk50 - Moderate100 - No Threats
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Failed
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Screenshot of sider.ai Captured Nov 1, 2026
https://sider.ai
Screenshot of sider.ai
3 years 8 months
Popular - #18,613 Tranco rank (>1M monthly visitors)
Flagged by 1 of 93 engines
✓ Valid (TLS)
Cloudflare, Inc.
Toronto, Canada
cloudflare
Next.js
172.66.161.126
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Domain & WHOIS Information
Registrar GoDaddy.com, LLC
Registered February 14, 2023
Expires February 14, 2033
Name Servers jade.ns.cloudflare.com
DNSSEC Unsigned
Hosting Cloudflare, Inc.
Reputation & Threat Check 93 security engines checked
1
1 of 93 engines flagged this website Flagged by 1 security vendor at the time of scanning
Not flagged Flagged
Flagged by 1 of 93 engines
Direct Threat Database Sources
View detailed engine results on VirusTotal
File Scan Summary Powered by Quttera Engine
2 files scanned
No threats
2
Low Risk
0
Medium Risk
0
High Risk
0
No threats Low Risk Medium Risk High Risk
sider.ai/# 5.2 KB No threats
sider.ai/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=a53d393ad82cbf76 551.5 KB No threats
External Links & Domains
1
External Links
1 Flagged
0
Iframes
Clean
1
Referenced Domains
1 Flagged
2
Flagged Resources
Detected
sider.ai Flagged: Generic Suspicious Object
sider.ai/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray%3Da53d393ad82cbf76 Flagged: Generic Suspicious Object
sider.ai/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray%3Da53d393ad82cbf76 Flagged: Generic Suspicious Object
sider.ai Flagged: Generic Suspicious Object
sider.ai Overview

Description of sider.ai

sider.ai appears to be the official website for Sider AI, a browser-based artificial intelligence assistant and sidebar tool. Based on the page title, metadata, and screenshot, the service is positioned as an AI productivity product that helps users summarize web pages, take notes, generate reports, and interact with multiple large-language-model providers from within the browser.

The site is categorized by multiple web-classification providers under technology and AI-related themes, which is consistent with the visible content. The homepage promotes a browser extension with an "Add to Chrome" call to action and presents the product as an AI agent for browsing, research, and workflow assistance. Based on available data, it appears to be an established technology service rather than a parked or placeholder domain.

Safety Assessment for sider.ai

The scan results are mixed but lean generally positive. Multiple web-classification providers categorize the domain as technology or AI-related, the malware scan reported a clean result, major threat-database checks shown here did not detect active malware distribution, and the domain has been registered for about three years with a measurable traffic presence. These are generally reassuring indicators at the time of this scan.

At the same time, there are a few cautionary signals. One security engine flagged the domain, and a generic heuristic label also appeared in a separate scan context. In addition, one phishing-related database and one generic reputation source listed the domain with a non-specific heuristic finding rather than a named malware family. The flagged URL points to a challenge/verification path commonly associated with anti-bot protection, which may sometimes trigger low-confidence heuristic alerts. Based on available scan data, no significant threats were detected at the time of this scan, but the isolated detections suggest a small degree of residual risk cannot be fully ruled out.

Technical Description

The domain uses a valid SSL/TLS certificate issued by Google Trust Services, with expiry shown in late 2026. It is hosted behind Cloudflare infrastructure, uses Cloudflare nameservers, and resolves to an IP address associated with Cloudflare in Toronto, Canada. This setup commonly indicates use of a CDN and reverse-proxy layer for performance and protection.

DNSSEC appears to be unsigned at the time of this scan. The web server is identified as Cloudflare, and one flagged link references a challenge-platform path that is consistent with bot-protection or access-verification mechanisms. No DNS-based mail-reputation blocklist hits were reported in the provided data.

HTTP Redirect Chain
No redirects detected - direct connection to destination
Website Insights
#18,613
Tranco Rank
Popular
Visitors >1M/mo
Category: Information Technology, AI, Ml Applications
Rank History (30 days)
Sep 21 Oct 31
13 cookies detected
Essential6
Analytics5
Advertising2
Social0
11 1st party cookies
2 3rd party (trackers)
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This report was generated automatically and is provided for informational purposes only. Results are based on a point-in-time scan and may contain false positives or incomplete data. This does not constitute a security audit or certification. No vendor in the market can guarantee a 100% detection rate. If you believe this report is inaccurate, please submit a dispute.

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