API security is the act of defending APIs from cyberattacks, exploitation, and misuse.

With effective API security measures in place, you can protect your business from hackers that want to intercept and exploit important data. Compared to internal-facing APIs, public-facing APIs are significantly more susceptible to security threats. Public APIs come with unique challenges because they are available between the organization and third-party developers. If a perpetrator successfully breaches an API, it can be harmful to both the application and end users because the breach serves as an entry point to accessing sensitive data. That being said, a security breach in private APIs can impact application performance or availability if not properly managed by IT professionals who understand how these attacks work (and what their effects could be)

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