An API breach occurs when attackers gain unauthorized access to an API, exposing sensitive data like financial records and intellectual property.
An API breach is a significant security event where an unauthorized individual or group successfully gains access to an application programming interface (API). This can lead to severe consequences, including system disruptions and the manipulation or theft of data, according to security researchers.
What’s at Stake in an API Breach
When an API is compromised, attackers can potentially expose a wide range of sensitive information. Industry sources confirm this may include the personal data of customers or employees, confidential financial records, and valuable intellectual property.
While not every API breach results in a data leak, most attackers specifically target APIs to gain access to sensitive data. One of the most common attack vectors is exploiting vulnerabilities like broken access control or broken user authentication, which are fundamental weaknesses in how an API verifies a user’s identity and permissions.
To mitigate these risks, experts suggest a principle of least privilege, ensuring that an application’s front end only receives the specific information it needs from an API rather than being sent a larger dataset to filter. This approach can help limit data exposure in the event of a security failure.
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