The importance of verifying webhook signatures cannot be overstated, as webhooks are a callback integration technique that can transmit sensitive information in close to real-time. Without verification, webhooks can be exploited by malicious actors, compromising the security of the entire software supply chain. To mitigate this risk, it's essential to implement webhook signatures using strong hashing algorithms, such as SHA-256, and validate the signature of incoming requests. This ensures that data communication between webhooks only occurs between trusted partners, preventing supply chain attacks. By following best practices, developers can create secure webhooks that prevent unauthorized access and protect their systems from security threats.