Content Security Policy
Business Profile
Core Value Proposition
Content Security Policy provides a security mechanism to make web applications more secure against common vulnerabilities, notably cross-site scripting, by enforcing trusted sources for resources and safe scripts via HTTP headers.
Target Customer
Web developers and security professionals building web applications who want to mitigate XSS and enforce content loading from trusted sources.
Key Differentiator
Policy-based security via the Content-Security-Policy header, including nonce-based script safety, resource source restrictions, and additional protections (e.g., framing prevention, HTTPS upgrades), with tooling and framework support.
Implementation Timeline
Not specified
Pain Points
- 1Cross-site scripting (XSS) vulnerabilities in web applications
- 2Loading resources from untrusted or unknown sources
- 3Risk of plugins or inline scripts executing without verification
Key Features
- 1Define Content-Security-Policy via the HTTP response header
- 2Require that scripts are safe and trusted (nonce-based approach)
- 3Restrict loading of resources to trusted sources (e.g., default-src, script-src)
- 4Miscellaneous protections: prevent framing by untrusted domains, upgrade resource requests to HTTPS
- 5Framework/template support and tooling to build, deploy, and monitor CSP policies
Target Customer Industries
Client Results
- 1Defense-in-depth layer against markup injection attacks
- 2Mitigation of cross-site scripting vulnerabilities
Competitive Advantages
- 1Policy-driven enforcement at the HTTP header level to restrict content and script execution
- 2Nonce-based scripting allows safe, dynamic scripts while blocking untrusted ones
- 3Prevents framing by untrusted domains and promotes HTTPS-only resource loading
- 4Supports integration with multiple frameworks and tooling for policy creation and monitoring
Key Benefits
Additional Product Information
Product Description
A mechanism to define a Content-Security-Policy via HTTP headers to restrict content sources and script execution, mitigating XSS and related web vulnerabilities.
Target Market
Web developers and security engineers building web applications
Unique Value Proposition
A policy-based security model (CSP) that reduces XSS risk by enforcing strict source checks and script safety, with nonce support and compatibility tooling.
Technical Requirements
Implement by sending the Content-Security-Policy HTTP header. Use nonce-based script safety (script-src 'nonce-{random}'), and set object-src 'none'. CSP support in templates/frameworks and tooling to build and monitor policies.
Pricing Model
Not specified
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