Otto JavaScript Security is a developer tool for chrome that helps decipher and give you information on the security of your website while providing tools that assist you in making your site more secure.

Use this extension to detect outdated JavaScript Libraries that are not configured to use a Content Security Policy and can therefore be exploited by hackers and phishers.

By using the extension, you can identify all the web pages that make use of outdated libraries that could be exploited by hackers to attack your site and steal customer data.

You can find all the JavaScript libraries installed on your site, and know what they do.

You can also monitor whether they use a Content Security Policy, which is a mechanism that, when properly configured, will prevent hackers from getting their malicious code on your site.