The most effective method for validating data integrity in an incident response context is computing and comparing hash values, typically using algorithms like MD5 or SHA-256. This ensures that the data remains unchanged from its original state. While checksums and time stamps also provide some level of integrity checking, they are not as robust and trustworthy as cryptographic hashes.
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Why are MD5 and SHA-256 considered reliable for validating data integrity?
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What makes cryptographic hash functions better than checksums like CRC32?
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How does using hash values help in an incident response investigation?