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Introducing the New Castle
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Introducing the New Castle

We're excited to reveal the latest evolution of Castle's brand! Read to learn about the journey and considerations that went into the design process, and get some first glimpses of our new look....

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How We Built a Culture on Trust and Security
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How We Built a Culture on Trust and Security

Castle was awarded Best Places to Work by San Francisco Business Times and Silicon Valley Business Journal. Building a culture based on trust and security is at the heart of everything we do....

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We’ve raised $9.2 million led by Index Ventures
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We’ve raised $9.2 million led by Index Ventures

In 2015, Sebastian and I created Castle with a simple vision. We saw that it was increasingly difficult for companies to access their online accounts and keep their users safe. We also saw that consum...