Mozilla Observatory Alternatives

    Mozilla Observatory is described as 'The Mozilla Observatory is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely' and is an app in the Office & Productivity category. There are more than 10 alternatives to Mozilla Observatory for a variety of platforms, including SaaS, Linux, Online / Web-based, Windows and Mac. The best alternative is Qualys SSL Server Test, which is free. Other great apps like Mozilla Observatory are SSL/TLS Security Test by ImmuniWeb (Free), CypherCraft (Free), CryptoLyzer (Free) and CSP evaluator (Free).

    This page was last updated Jun 30, 2021

    1. This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet.
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    2. The Website Security Test is a free online tool to perform web security and privacy tests: Non-intrusive GDPR compliance check related to web application security. Non-intrusive PCI DSS compliance check related to web application security.


      • FreeProprietary
      • Software as a Service (SaaS)
      Cryptographic protocol parser and analyzer.
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    3. As the project name CryptoLyzer implies, it is a cryptographic protocol analyzer. The main purpose of creating this application is the fact, that cryptography protocol analysis differs in many aspect from establishing a connection
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      • FreeProprietary
      • Online
      CSP Evaluator allows developers and security experts to check if a Content Security Policy (CSP) in enforcing mode serves as a strong mitigation against client-side attacks like XSS, Clickjacking, Formjacking, Data Exfiltration and more.


      • Online
      • Software as a Service (SaaS)
      Comprehensive SSL/TLS monitoring. We proactively monitor your SSL/TLS enabled domains to prevent expiry, misconfiguration, and insecure protocols. We watch and report any changes to your certificate so you can detect and respond to attempts at tampering or domain takeover.
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      • FreeOpen Source
      • Self-Hosted
      • Software as a Service (SaaS)
      CryptCheck is a Ruby toolbox that help anybody to check for cryptography security level and best practices compliance.
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    4. Cipherscan tests the ordering of the SSL/TLS ciphers on a given target, for all major versions of SSL and TLS. It also extracts some certificates informations, TLS options, OCSP stapling and more. Cipherscan is a wrapper above the openssl s_client command line.
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      • FreeProprietary
      • Software as a Service (SaaS)
      Hardenize provides a comprehensive and free assessment of web site network and security configuration.
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      • FreeProprietary
      • Software as a Service (SaaS)
      Quickly and easily assess the security of your HTTP response headers.
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    Showing 10 of 11 alternatives