ExposedGuard is a Firefox extension for penetration testers that probes visited websites for exposed Git metadata, environment files, credentials, backups, database dumps, and debug files. It validates responses and warns users when sensitive content is publicly accessible.
In the Browser DevTools & extensions space, ExposedGuard takes a focused approach. It focuses on missing accidentally exposed credentials, configuration files, backups, and source data during website security testing. ExposedGuard is a B2B product aimed at penetration testers and web security professionals. ExposedGuard is free to use. It ships for the web, embeddable surfaces, and Android.
0xS0B builds and maintains ExposedGuard, and it first shipped in 2026. Among its 9 catalogued features are exposed file detection, git directory scanning, and environment file scanning. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
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