You are monitoring network activities and observe an unauthorized user attempting to exploit a known vulnerability in a web application to gain root access on the server. What mitigation technique should you deploy to prevent this escalation?
Implementing proper input validation helps ensure that incoming data is properly sanitized, preventing malicious code injection that an attacker might use for privilege escalation. This technique blocks attempts to exploit vulnerabilities in applications by validating and sanitizing the user input. Other options like enabling logging, creating complex passwords, and isolating network traffic are important but do not directly address the prevention of privilege escalation through input validation.
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What is input validation and why is it important?
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How does input validation prevent privilege escalation?
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What are common techniques to implement input validation?