A mismatch in the calculated hash reveals unauthorized alterations. This reveals the file is not identical to its original form and indicates tampering or the addition of hidden data. A typical resolution does not prove malicious action. Identical fingerprint data across multiple formats is common for legitimate conversions. Industry-standard color settings do not indicate the file was changed for malicious reasons.
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What is a hash and how is it used to detect file tampering?
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How can images be altered to hide malicious content?
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Why are discrepancies in file resolution or color settings not reliable indicators of malicious alterations?