312-39 Question #151: Real Exam Question with Answer & Explanation

The correct answer is C. Allow serialization for security-sensitive classes. attacks, such as remote code execution. To mitigate these vulnerabilities, Wesley should avoid considering the serialization of security-sensitive classes because it can expose sensitive data to untrusted sources or lead to arbitrary code execution. Here are the steps Wesley shou

Question

Wesley is an incident handler in a company named Maddison Tech. One day, he was learning techniques for eradicating the insecure deserialization attacks. What among the following should Wesley avoid from considering?

Options

ADeserialization of trusted data must cross a trust boundary
BUnderstand the security permissions given to serialization and deserialization
CAllow serialization for security-sensitive classes
DValidate untrusted input, which is to be serialized to ensure that serialized data contain only

Explanation

attacks, such as remote code execution. To mitigate these vulnerabilities, Wesley should avoid considering the serialization of security-sensitive classes because it can expose sensitive data to untrusted sources or lead to arbitrary code execution. Here are the steps Wesley should follow: Avoid Serialization of Sensitive Data: Do not serialize sensitive information. If it’s essential to serialize, then ensure it’s encrypted and the process is secure. Implement Integrity Checks: Use digital signatures or checksums to verify that the serialized data has not been tampered with before deserializing it. Enforce Strict Type Constraints: When deserializing, ensure that the data adheres to strict type constraints to prevent the instantiation of unexpected types. Logging and Monitoring: Keep detailed logs of serialization and deserialization processes to monitor for any suspicious activities. Security Controls Review: Regularly review and update security controls related to serialization and deserialization to ensure they are effective against emerging threats. EC-Council’s Certified SOC Analyst (CSA) program provides extensive training on how to handle various cybersecurity threats, including insecure deserialization12. The CSA certification emphasizes the importance of understanding the security risks associated with serialization and deserialization and implementing best practices to mitigate these risks12. Additional resources and study guides from EC-Council’s official materials on the Certified SOC Analyst (CSA) program would provide more in-depth strategies and practices for handling insecure deserialization attacks12.

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