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Is startupschool.org a Scam? Security Check Results - Y Combinator Reviews

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Is startupschool.org Safe? Security Analysis for Y Combinator

Check if startupschool.org is a scam or legitimate. Free security scan and reviews.

TechnologyN/alarge
Ruby on RailsJavaScriptjQueryPostHog analyticsGoogle Analytics+3 more
Analyzed 9/6/2025Completed 5:26:16 AM
66
Security Score
MEDIUM RISK

AI Summary

Startup School, operated by Y Combinator, is a leading free online educational platform designed to help early-stage startup founders learn how to build successful companies. The website offers a structured 7-week curriculum featuring lessons from prominent YC partners and startup founders, along with tools such as co-founder matching and weekly progress tracking. The platform targets aspiring entrepreneurs and side project developers, positioning itself as a trusted resource in the startup ecosystem. Technically, the site leverages Ruby on Rails, modern JavaScript libraries, and analytics tools like Google Analytics and PostHog, delivering a responsive and well-structured user experience. Security-wise, the site enforces HTTPS and uses CSRF tokens but lacks some advanced security headers and explicit cookie consent mechanisms. WHOIS data is unavailable due to privacy protection, but the strong brand association and content quality support the domain's legitimacy. Overall, the website demonstrates a mature digital presence with excellent content quality and business credibility, though improvements in privacy compliance and security headers are recommended.

Detected Technologies

Ruby on RailsJavaScriptjQueryPostHog analyticsGoogle AnalyticsAlgolia (search)Material IconsIonicons

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

The website benefits from its affiliation with Y Combinator, a globally recognized startup accelerator, which enhances its market position and trustworthiness. Its business model focuses on providing free educational content and community tools to early-stage founders, fostering startup growth and innovation. The platform's co-founder matching service and weekly tracking tools add value beyond traditional online courses. The target audience includes new entrepreneurs and side project founders worldwide. The site’s content and testimonials from YC alumni reinforce its credibility and effectiveness. While revenue streams are not explicit, the platform likely supports YC’s broader ecosystem and brand. Partnerships are primarily internal within Y Combinator’s network, with no external commercial partners identified.

Security Posture Analysis

Comprehensive Security Assessment

The website maintains a solid security baseline with HTTPS enforced and CSRF protection on forms. However, the absence of key security headers such as Content-Security-Policy and X-Frame-Options represents an area for improvement. No vulnerabilities or exposed sensitive data were detected in the HTML content. Privacy compliance is partially addressed through a comprehensive privacy policy linked to Y Combinator’s main site, but the lack of a cookie consent mechanism is a compliance gap under GDPR. Incident response and security policy information are not publicly available, which could hinder transparency. Overall, the security posture is good but could be enhanced by implementing recommended headers, explicit incident response contacts, and cookie consent.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance protection against common web attacks.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Y Combinator

Description:

Startup School is a free online course on how to start a startup, providing essential advice from Y Combinator partners and industry leaders. It offers a 7-week curriculum to help founders plan MVPs, funding, growth, team leadership, and more.

Key Services:
Online startup courseCo-founder matching platformWeekly progress tracking tool
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
Ruby on RailsJavaScriptjQueryPostHog analyticsGoogle AnalyticsAlgolia (search)Material IconsIonicons
Frameworks:
Ruby on Rails
Performance:

moderate

Mobile:

good

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of CSRF tokens in forms

Analytics & Tracking

Services:
Google AnalyticsPostHog
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Tracking Pixels:
PostHog
Transparency Level:basic

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is fully accessible with no blocking or WAF challenges

🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

70/100
Score

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

53/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
phone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

Critical sector without clear security compliance

HIGH

Detected sectors: transport, digital

📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

70/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:mailgun.org ~all
DNS Lookups:1/10
Policy:~all

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

75/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 70 days

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:www.startupschool.org
Issuer:WE1
Valid Until:11/15/2025 (70 days)
SANs:www.startupschool.org

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

70/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

No DMARC Record

MEDIUM

DMARC policy not configured

Domain Registration Details

Domain Age
20 years(mature)
Expiry Risk
low(182 days)
Protection Level
basicDNSSEC OFF

DNS Records

A Records:44.235.145.11, 54.70.127.132
Name Servers:
ns-1135.awsdns-13.org
ns-126.awsdns-15.com
ns-1891.awsdns-44.co.uk
ns-675.awsdns-20.net
MX Records:
3: alt2.aspmx.l.google.com
1: aspmx.l.google.com
2: alt1.aspmx.l.google.com
SOA:Serial: 1, TTL: 86400s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:63ms

SPF Analysis

SPF Record:
v=spf1 include:mailgun.org ~all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built on a Ruby on Rails backend with a modern JavaScript frontend utilizing jQuery and module preloading for performance. It integrates third-party services such as Google Analytics, Google Tag Manager, and PostHog for analytics and user behavior tracking. The site uses CDN-hosted icon fonts and static assets for efficient delivery. Performance is moderate with good mobile optimization and accessibility features, though accessibility could be improved further. SEO is well addressed with proper meta tags and Open Graph data. The absence of a CMS suggests a custom-built platform tailored for the Startup School program. Hosting details are not explicitly found but likely managed by Y Combinator infrastructure or a cloud provider.
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