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Security report for standardnotes.com

Standard Notes · Technology · N/a

Medium risk. 3 critical or high findings in GDPR outside view and SSL/TLS.

Security score

75/100

Risk levelMedium

0–100, higher is better. How it is calculated

Standard Notes is a privacy-focused, end-to-end encrypted note-taking application offering secure, cross-platform syncing and offline access. The company positions itself as an ethical, independent provider with open source code and independent security audits, targeting privacy-conscious users and professionals. Their business model relies on revenue from paying users without venture capital funding, emphasizing sustainability and trust. Technically, the website is built on modern frameworks like Gatsby and React, hosted with reputable providers, and optimized for performance and mobile use. Security posture is strong with HTTPS, zero-knowledge encryption, and audited code, though DNSSEC is not enabled and no cookie consent mechanism is present. Overall, the site is professional, trustworthy, and well-structured, with minimal tracking and good privacy compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 100 · Medium
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

3 findings rated critical or high. Fix these first.

  1. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  2. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

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

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
75
Security headers
70
Email security
65
DNS health
85
Network security
100
GDPR outside view
53
Average
75

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention standardnotes.com, from OffSeq Breach.

Total records
553
Employees
0
Customers
553
Third parties
0
Weak passwords
8%

4 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for standardnotes.com.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Standard Notes operates in the technology sector, specifically in secure digital note-taking. It holds a niche market position emphasizing privacy and security, appealing to users who require confidentiality and data control. The company is independent, with no venture capital, relying solely on paying users. Their open source and audited approach enhances credibility. The target audience includes writers, legal professionals, journalists, and privacy-conscious individuals. The company has been in service since 2018 (with claims of 9 years in service possibly reflecting brand history). The ecosystem includes active social media channels and community forums, supporting user engagement and transparency.

Security posture

The security maturity of Standard Notes is high, leveraging end-to-end and zero-knowledge encryption to protect user data. The website enforces HTTPS and uses Cloudflare DNS, though DNSSEC is not enabled, which is a minor gap. The codebase is open source and independently audited, enhancing transparency and trust. No critical vulnerabilities or exposed sensitive data were detected. However, the absence of a security.txt file and incident response contact emails limits formal vulnerability disclosure channels. The lack of a cookie consent mechanism despite tracking scripts is a minor compliance gap. Overall, the security culture appears strong with room for formalizing some policies.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Publish a security.txt file to facilitate responsible vulnerability disclosure.
  3. Implement a cookie policy and consent mechanism to improve privacy compliance.
  4. Add explicit contact information including security incident response contacts.
  5. Continue regular independent security audits and communicate results transparently.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Standard Notes
Description
Standard Notes is a free, secure note-taking app with powerful end-to-end encryption, unparalleled privacy features, and seamless cross-platform syncing on unlimited devices.
Key services
End-to-end encrypted note-taking, Cross-platform syncing, Offline access, Secure file storage
Content quality
excellent
Branding
consistent

Technology

Stack
React, Gatsby, Cloudflare DNS
Frameworks
Gatsby
Platforms
Web, Windows, Mobile (implied)
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • End-to-end encryption
  • Zero-knowledge encryption
  • Open source and audited code

Analytics and tracking

Services
Plausible Analytics
Tracking level
minimal
Privacy practices
good

Advertising

Tracking pixels
plausible.standardnotes.com
Marketing tools
Plausible Analytics
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content and no blocking.
  2. Strong emphasis on privacy, security, and open source.
  3. No direct contact emails or phone numbers found on main page.
  4. Social media presence is active and linked.
  5. No cookie consent banner detected despite tracking script usage.
  6. Domain uses Cloudflare DNS but no DNSSEC enabled.
  7. No forms detected on the main page for data collection.
Technical notes

Notes

The website uses a modern tech stack including React and Gatsby, ensuring fast performance and good SEO. Hosting and DNS are managed by reputable providers (Amazon Registrar and Cloudflare). The site is mobile-optimized and accessible, with clear navigation and professional design. No CMS is detected, indicating a custom or static site approach. The use of Plausible Analytics reflects a privacy-conscious choice for minimal tracking. Technical risks are low, with no outdated or vulnerable libraries detected. Opportunities exist to enhance DNS security and formalize privacy mechanisms.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

Earlier scans of this domain

  1. 75/100Medium25 findingsView report
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