Sebastian Wallin

Sebastian Wallin

Sebastian is the CTO & co-founder of Castle. In his role at Castle he's been working closely with companies across different industries to identify and implement strategies for fraud and abuse.

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A Guide to Account Verification

A Guide to Account Verification

Automating account verification has become the norm for businesses to minimize fraud and validate legitimate users online. However, it's not always clear how verification helps with different type...

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Product focus: Time selector
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Product focus: Time selector

The time selector is a central feature of the Castle Dashboard and is present throughout all views where you can examine your data. While many types of tools use a time selector for navigation, fraud...

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Redefining Bot Detection: Why Identity Matters
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Redefining Bot Detection: Why Identity Matters

Castle launches Identity-Aware Bot Detection! This new product addresses the increasing risk of automated bot attacks imitating legitimate human behavior....

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