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As today's Internet giants break the barrier for speed and scale of development of systems, their teams are increasingly tasked with building home-brewed security systems that can help them develop and manage their systems securely without missing a beat. In the end, the entire security community is benefitting from a lot of these investments, as many of these firms make these tools available through open-source projects. Over the past few years, some very useful tools have come from the security and engineering teams at Facebook, Twitter, Google, Netflix, Etsy, and even AOL.

Security Monkey

Built by Netflix three years ago, Security Monkey is a monitoring and security analysis tool for Amazon Web Services configurations. It includes components for monitoring various AWS account components, developing, and executing actions based on policy rules, notifying users when audit rules are triggered and storing configuration histories for forensic and audit purposes.

(Image: Netflix)

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