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Is jenkins.io a Scam? Security Check Results - Jenkins

jenkins.io Security Report Summary

jenkins.io received a security score of 70 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Jenkins's website security posture. Jenkins operates in the Technology industry in N/a.

Jenkins is a leading open source automation server widely used for continuous integration and continuous delivery (CI/CD) in software development. The project is community-driven and supported by major technology sponsors such as CloudBees, AWS, IBM, and others, positioning it as a key player in the DevOps ecosystem. The website provides comprehensive information about Jenkins' capabilities, community awards, contributor stories, and plugin ecosystem, targeting developers and DevOps professionals globally. Technically, the website employs modern web technologies including Java, Bootstrap, React, Lit, and Web Components, ensuring good mobile responsiveness, accessibility, and SEO optimization. The site is well-structured with rich content and clear navigation, reflecting a mature digital presence. However, explicit privacy and cookie policies are not found on the main page, and no contact emails or phone numbers are directly provided, which could be improved for better user trust and compliance. From a security perspective, the site uses HTTPS and shows no signs of exposed sensitive data or vulnerable libraries. While no explicit security headers are visible in the HTML source, these may be managed at the server level. The lack of WHOIS data transparency is a minor concern but is mitigated by the strong community and sponsor presence. Overall, the security posture is solid but could benefit from publishing clear security policies and incident response contacts. The overall risk assessment is low, with the site demonstrating professionalism, technical maturity, and community trust. Strategic recommendations include adding explicit privacy and cookie policies, publishing security and incident response information, implementing security.txt, and improving WHOIS data transparency to enhance trust and compliance.

The security scan identified 26 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: Java, Bootstrap CSS, jQuery, React (for some plugins), Lit, Web Components, Ionicons.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is jenkins.io Safe? Security Analysis for Jenkins

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TechnologyN/alarge
JavaBootstrap CSSjQueryReact (for some plugins)Lit+2 more
Analyzed 6/29/2025Completed 2:37:31 PM10mo ago
70
Security Score
MEDIUM RISK

Below Technology avg (72)

10,000+

Domains scanned

500+

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SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

AI Summary

Jenkins is a leading open source automation server widely used for continuous integration and continuous delivery (CI/CD) in software development. The project is community-driven and supported by major technology sponsors such as CloudBees, AWS, IBM, and others, positioning it as a key player in the DevOps ecosystem. The website provides comprehensive information about Jenkins' capabilities, community awards, contributor stories, and plugin ecosystem, targeting developers and DevOps professionals globally. Technically, the website employs modern web technologies including Java, Bootstrap, React, Lit, and Web Components, ensuring good mobile responsiveness, accessibility, and SEO optimization. The site is well-structured with rich content and clear navigation, reflecting a mature digital presence. However, explicit privacy and cookie policies are not found on the main page, and no contact emails or phone numbers are directly provided, which could be improved for better user trust and compliance. From a security perspective, the site uses HTTPS and shows no signs of exposed sensitive data or vulnerable libraries. While no explicit security headers are visible in the HTML source, these may be managed at the server level. The lack of WHOIS data transparency is a minor concern but is mitigated by the strong community and sponsor presence. Overall, the security posture is solid but could benefit from publishing clear security policies and incident response contacts. The overall risk assessment is low, with the site demonstrating professionalism, technical maturity, and community trust. Strategic recommendations include adding explicit privacy and cookie policies, publishing security and incident response information, implementing security.txt, and improving WHOIS data transparency to enhance trust and compliance.

Detected Technologies

JavaBootstrap CSSjQueryReact (for some plugins)LitWeb ComponentsIonicons

7 urgent findings need attention

7 high

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Security drift alerts

Risk score drops, new high-severity issues, and header hardening gaps

Compliance watch

GDPR / NIS2 posture changes with governance evidence snapshots

Infrastructure surface

Unexpected open services, SSL expiry, DNS & email authentication changes

Content & tracker intelligence

Marketing tech shifts, analytics drift, and AI recommendation updates

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Security Headers

6 findings

50/100

GDPR Compliance

4 findings

35/100

NIS2 Compliance

6 findings

47/100

Email Security

3 findings

85/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

Jenkins operates as an essential open source project in the technology sector, focusing on automation for software build, test, and deployment processes. Its business model revolves around community contributions and sponsorships from major technology companies, enabling sustainable development and innovation. The target customers are software developers, DevOps engineers, and enterprises seeking reliable CI/CD solutions. Jenkins maintains a strong market position as a pioneer and leader in open source automation servers, supported by a broad plugin ecosystem and active community engagement. The partnership ecosystem includes CloudBees, AWS, IBM, and others, which strengthens its credibility and reach. Growth indicators include recent community awards, Google Summer of Code contributors, and continuous feature enhancements. The project’s operations emphasize transparency, collaboration, and technical excellence.

Security Posture Analysis

Comprehensive Security Assessment

Jenkins demonstrates a mature security posture with HTTPS enforced and no visible exposure of sensitive data or vulnerable libraries on the website. The absence of explicit security headers in the HTML source suggests potential for improvement, although these may be implemented at the server or CDN level. No forms collecting sensitive user data are present on the homepage, reducing attack surface. The site lacks published security policies, incident response contacts, and vulnerability disclosure mechanisms such as security.txt, which are recommended best practices. WHOIS data is not publicly available, limiting domain trust verification. Overall, Jenkins shows good security hygiene but should enhance transparency and communication regarding security and privacy to align with compliance frameworks like GDPR and NIST.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a comprehensive privacy policy and cookie consent mechanism prominently on the website.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Jenkins

Description:

Jenkins is an open source automation server which enables developers around the world to reliably build, test, and deploy their software. It provides hundreds of plugins to support building, deploying and automating any project.

Key Services:
Continuous Integration and Continuous Delivery automationPlugin ecosystem for integration with various toolsDistributed build and deployment across multiple machines
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
JavaBootstrap CSSjQueryReact (for some plugins)LitWeb ComponentsIonicons
Frameworks:
BootstrapLitReact
Platforms:
WindowsLinuxmacOSUnix-like
Performance:

moderate

Mobile:

good

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced (implied by canonical link https://www.jenkins.io/)
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries
  • No forms detected that collect sensitive data

Analytics & Tracking

Tracking Level:minimal
Privacy Compliance:poor

Advertising & Marketing

Transparency Level:poor

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 rich content and no blocking.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

50/100
Score

Weak Strict-Transport-Security configuration

LOW

Current value: "max-age=86400; includeSubDomains; preload"

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

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

35/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

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

Third-party services without privacy policy

HIGH

Detected services: YouTube, Cloudflare

GDPR Compliance Analysis

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

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

47/100
Score

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

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

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

85/100
Score

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 include:sendgrid.net include:_spf.google.com ~all
DNS Lookups:3/10
Policy:~all
DKIM Selectors Found
Selector:s1(1440-bit rsa)
DMARC Details
Policy:reject
Aggregate Reports:jenkins-dmarc@olblak.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

85/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 56 days

Mixed Content Detected

MEDIUM

1 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:www.jenkins.io
Issuer:R10
Valid Until:8/25/2025 (56 days)
SANs:www.jenkins.io

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

75/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

Domain Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

Domain Registration Details

Domain Age
13 years(mature)
Expiry Risk
low(expired)
Protection Level
noneDNSSEC OFF
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:20.7.178.24
AAAA Records:2603:1030:408:5::15a
Name Servers:
ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info
MX Records:
10: mxb.mailgun.org
10: mxa.mailgun.org
SOA:Serial: 1, TTL: 300s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:35ms

SPF Analysis

SPF Record:
v=spf1 include:mailgun.org include:sendgrid.net include:_spf.google.com ~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

How does jenkins.io compare?

See how jenkins.io stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The Jenkins website is built on a robust technical foundation using Java for backend automation and modern frontend technologies including Bootstrap, React, Lit, and Web Components. The site is mobile optimized, accessible, and SEO friendly with proper meta tags and Open Graph data. Performance is moderate, with deferred loading of scripts and use of CDN-hosted libraries. The site does not use a traditional CMS, indicating a custom or static site generation approach. Hosting provider details are not explicit but likely involve cloud infrastructure given the sponsors and technology stack. Technical debt appears low with ongoing modernization efforts such as UI/UX updates and plugin ecosystem enhancements. Opportunities exist to improve security headers and privacy compliance features to reduce technical risks impacting business operations.
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Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domainjenkins.io
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

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