ASN Data: Understanding Its Role in Online Security and Identity
Blog post from Didit
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Autonomous System Numbers (ASNs) are unique identifiers crucial for internet traffic routing between networks, forming the backbone of global connectivity and enabling efficient data travel across the internet's vast network of Autonomous Systems (AS). Beyond their fundamental role, ASN data is invaluable in online security and fraud detection, allowing businesses to analyze traffic patterns, identify VPN or proxy usage, and detect high-risk geographical origins, thereby enhancing fraud prevention and cybersecurity. Integrating ASN insights into identity verification workflows bolsters risk assessments by distinguishing legitimate users from potential threats, aiding compliance efforts, and building online trust. In practical applications, ASN data helps verify user identity by cross-referencing IP addresses with known ASN characteristics, such as location consistency and network type, which can trigger further verification steps if discrepancies arise. Companies like Didit leverage ASN data within their identity verification and fraud detection platforms, enabling businesses to configure workflows that automatically respond to high-risk signals, such as escalating verification processes or blocking transactions, ultimately enhancing security without hindering legitimate user activity.
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