Web Security Audit - Passively audit website security
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Add-on summary
The goal of this project is to build an add-on for browser that passively audits the security posture of the websites that the user is visiting. Assume that the tool is to be used on non-malicious websites, currently not under attack or compromised. Add-on wants to report security misconfigurations, or failure to use best security practices.
Add-on tries to analysis the commonly vulnerable setting of servers: lack of use of security-relevant headers, including:
- strict-transport-security
- x-xss-protection
- content-security-policy
- x-frame-options
- x-content-type-options
It doesn't to interfere with the functioning of the visited website.
It doesn't tamper with request parameters, or issue requests that were not initiated by the user (it is not active scanning).
Incrementally generate a report in a separate window.
Each report entry have a numeric score to indicate approximately its severity, as a way to prioritise further investigation by a human analyst [Common Vulnerability Scoring System](https://en.wikipedia.org/wiki/Common_Vulnerability_Scoring_System).
Limitations
- Add-on only works on sites that allow content scripts.
User reviews
Add-on safety
Risk impact
Web Security Audit requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
Web Security Audit has earned a fairly good reputation and likely can be trusted.