Mozilla has released a free tool that allows website developers and administrators to determine if they are using all available security technologies at their full potential.
The tool, named “Observatory,” was developed by Mozilla Information Security Engineer April King in an effort to help the organization test its own domains. Observatory has now been made available to everyone along with its source code.
Observatory performs nearly a dozen tests, including Content Security Policy (CSP), Contribute.json, cookies, cross-origin resource sharing (CORS), HTTP Public Key Pinning (HPKP), HTTP Strict Transport Security (HSTS), redirections, subresource integrity, and X-Content-Type-Options, X-Frame-Options and X-XSS-Protection headers.
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