Alleged leaks connecting Democratic presidential candidate Joe Biden to his son's dealings in Ukraine immediately raised alarm bells to forensic analysts. The race to determine what is real and what is doctored mirrors challenges faced by security teams needing to validate company files.

Specifically, one of the most explosive emails released by the New York Post was published in such a way to hide Domain Keys Identified Mail information, or DKIM, which is used to detect forged sender addresses. It also displayed metadata that called into question whether the email supplied to the Post was the original file. Whether the email is legitimate or not is still under debate.

The situation points to a widespread challenge for political campaigns and businesses alike: Technologies that could provide some evidence that a particular file is fake or manipulated only work in specific cases and may be cost-prohibitive and impractical for many industries and many sized organizations to implement.

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