security.txt

Business Profile

Core Value Proposition

security.txt provides a standard for websites to define security policies and vulnerability disclosure channels.

Target Customer

{"Websites","Organizations and security teams seeking to publish a vulnerability disclosure process"}

Key Differentiator

Widely recognized and adopted standard with government and major tech company usage; defines a simple, structured file that can be placed under well-known paths; supports multiple fields and optional digital signing.

Implementation Timeline

Immediate value after publishing the security.txt file and serving it over HTTPS; step-by-step guidance: Step 2 Publish your security.txt file.

Pain Points

1Researchers often lack clear channels to disclose security risks
2Security issues may be left unreported without a standard disclosure process
3No common, machine-readable format for publishing security policies and contact information

Key Features

1Defines a standard file (security.txt) with fields such as Contact, Expires, Encryption, Acknowledgments, Preferred-Languages, Canonical, Policy, Hiring, CSAF
2Placement options: .well-known/security.txt or /security.txt in the root directory
3Supports multiple contact methods (e.g., mailto:, tel:, https://) and an ISO 8601 Expires field
4Optional fields for encryption keys, acknowledgments, languages, canonical links, policies, hiring, and CSAF
5Can be digitally signed with an OpenPGP cleartext signature for authenticity

Target Customer Industries

Client Results

1Easier and more reliable communication channels for security researchers
2Increased likelihood that security vulnerabilities are reported and addressed
3Improved transparency around security policies and contact information

Competitive Advantages

1Standardization across organizations for vulnerability disclosure
2Easy adoption with clear placement and field definitions
3Support from high-profile adopters (Google, Facebook, GitHub) and governments
4Optional signing to verify authenticity

Key Benefits

1Facilitates secure and efficient vulnerability reporting

2Provides a standardized structure for policy and contact information

3Supports authenticity through optional signing and canonical references

4Widely adopted by both technology companies and government entities

Case Studies & Success Stories

Adoption by major organizations and governments

Case #1

security.txt files have been implemented by Google, Facebook, GitHub, the UK government, the US CISA, the French government, the Italian government, the Dutch government, and the Australian Cyber Security Centre, illustrating broad trust and usage

Additional Product Information

Product Description

A proposed standard that allows websites to define security policies.

Target Market

Websites and organizations that want to publish standardized vulnerability disclosure policies and contact information

Unique Value Proposition

A simple, widely adopted standard that enables consistent and auditable vulnerability disclosure channels across organizations, including government and major tech companies.

Technical Requirements

File must be served as text/plain over HTTPS. Place under /.well-known/security.txt or in the website root (/security.txt). The file can include fields such as Contact (must start with mailto:, tel:, or https:// for URLs), Expires (ISO 8601), Encryption (https://), Acknowledgments (https://), Preferred-Languages (e.g., en, fr, de), Canonical, Policy (https://), Hiring (https://), CSAF (https://). Expires is required; only one Expires value allowed. OpenPGP cleartext signature can be used to sign the file for authenticity.

Pricing Model

Not specified

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