APIs play a critical role in enabling modern systems such as machine-to-machine communication, IoT integration, and event-driven applications, but they are also common targets for cyberattacks. The four most common attacks against APIs include access violations, protocol attacks, brute force attempts, and denial-of-service attacks. These threats often exploit vulnerabilities like injections, parameter manipulation, invalid redirects, and bot activity. Research shows that a significant portion of API attacks aim to cause service disruption through DoS conditions. As APIs continue to expand connectivity and functionality, organizations must address these risks by strengthening security measures to protect against increasingly diverse and sophisticated attack methods.

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