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Is obsidian.md a Scam? Security Check Results - Obsidian

obsidian.md Security Report Summary

obsidian.md received a security score of 63 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers Obsidian's website security posture. Obsidian operates in the Technology industry in N/a.

Obsidian is a technology company offering a flexible and private note-taking application designed for individuals and teams focused on knowledge management and productivity. Founded in 2020, it has established a strong market presence with a robust plugin ecosystem, secure sync services, and publishing capabilities. The website reflects a professional and consistent brand image, targeting users who value privacy and customization in their digital workspace. Technically, the site leverages modern technologies such as Tailwind CSS and Pixi.js, is hosted behind Cloudflare, and is optimized for performance and mobile responsiveness. Security practices include HTTPS enforcement and end-to-end encryption for sync services, though there is room for improvement in cookie consent and incident response transparency. Overall, the website is trustworthy, well-designed, and compliant with privacy regulations, making it a reliable platform for its user base.

The security scan identified 31 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: Tailwind CSS, JavaScript, Pixi.js.

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 obsidian.md Safe? Security Analysis for Obsidian

https://obsidian.md

Check if obsidian.md is a scam or legitimate. Free security scan and reviews.

TechnologyN/amedium
Tailwind CSSJavaScriptPixi.js
Analyzed 7/26/2025Completed 12:32:37 PM8mo ago
63
Security Score
MEDIUM RISK

Below Technology avg (72)

10,000+

Domains scanned

500+

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Domainobsidian.md
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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

Obsidian is a technology company offering a flexible and private note-taking application designed for individuals and teams focused on knowledge management and productivity. Founded in 2020, it has established a strong market presence with a robust plugin ecosystem, secure sync services, and publishing capabilities. The website reflects a professional and consistent brand image, targeting users who value privacy and customization in their digital workspace. Technically, the site leverages modern technologies such as Tailwind CSS and Pixi.js, is hosted behind Cloudflare, and is optimized for performance and mobile responsiveness. Security practices include HTTPS enforcement and end-to-end encryption for sync services, though there is room for improvement in cookie consent and incident response transparency. Overall, the website is trustworthy, well-designed, and compliant with privacy regulations, making it a reliable platform for its user base.

Detected Technologies

Tailwind CSSJavaScriptPixi.js

9 urgent findings need attention

9 high

  • + 1 more findings in the full report below
Continuous monitoring

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Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.

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

7 findings

30/100

GDPR Compliance

4 findings

53/100

NIS2 Compliance

8 findings

17/100

Email Security

5 findings

65/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

Obsidian operates in the competitive knowledge management and productivity software market, differentiating itself through privacy-first features and a highly customizable environment via plugins and themes. Its business model includes a free core app supplemented by paid services such as sync, publishing, and enterprise solutions. The company maintains an active community presence through Discord, forums, and developer documentation, fostering user engagement and ecosystem growth. The domain age and WHOIS data align with the company's founding timeline, supporting legitimacy. The absence of direct contact emails or phone numbers on the site suggests a focus on digital community support rather than traditional customer service channels.

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a mature security posture with HTTPS enabled and end-to-end encryption for user data synchronization. Security and privacy policies are clearly presented, indicating awareness of compliance requirements. However, the lack of a cookie consent mechanism and absence of explicit incident response contacts or vulnerability disclosure policies represent gaps that could be addressed to enhance transparency and regulatory compliance. No vulnerabilities or exposed sensitive data were detected in the HTML content. The security score is strong but could be improved by adopting additional security headers and formalizing incident response communications.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement a visible cookie consent banner to comply with GDPR and other privacy regulations.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Obsidian

Description:

The free and flexible app for your private thoughts.

Key Services:
Note-taking appSync service with end-to-end encryptionPublishing platformEnterprise solutionsPlugin ecosystemCanvas for brainstorming
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
Tailwind CSSJavaScriptPixi.js
Platforms:
WindowsmacOSLinuxiOSAndroid
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • End-to-end encryption for sync
  • No sensitive data exposed in HTML
  • No visible vulnerable libraries

Analytics & Tracking

Tracking Level:minimal
Privacy Compliance:good

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 no blocking or WAF challenges

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

30/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

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

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
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

17/100
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

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

65/100
Score

No DMARC reporting

LOW

DMARC aggregate reports not configured

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
DMARC Details
Policy:quarantine
Forensic Reports:dmarc@obsidian.md

🏆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 43 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:obsidian.md
Issuer:WE1
Valid Until:9/8/2025 (43 days)
SANs:obsidian.md, *.obsidian.md

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
5 years(mature)
Protection Level
none
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:104.26.1.147, 172.67.74.64, 104.26.0.147
AAAA Records:2606:4700:20::ac43:4a40, 2606:4700:20::681a:93, 2606:4700:20::681a:193
Name Servers:
lloyd.ns.cloudflare.com
olga.ns.cloudflare.com
MX Records:
10: mxb.mailgun.org
10: mxa.mailgun.org
SOA:Serial: 2378601502, TTL: 1800s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:98ms

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

How does obsidian.md compare?

See how obsidian.md 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 website is built using modern front-end technologies including Tailwind CSS for styling and Pixi.js for graphical elements, indicating a focus on performance and user experience. Hosting is managed via Cloudflare, providing CDN and security benefits. The site is mobile-optimized and accessible, with well-structured HTML and meta tags supporting SEO. No CMS was detected, suggesting a custom or static site architecture. Performance is fast with no broken elements observed. Opportunities exist to improve technical security by adding missing security headers and formalizing privacy compliance mechanisms.
Professional PDF & Marketing Data

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PDF Report & Export

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39.90 €one-time • Incl. 21% VAT

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

Domainobsidian.md
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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