Disaster Recovery Journal Winter 2025

Think That PDF Is Safe? Why Digital Signatures Fail, How AI Strengthens Trust By DEEDEE KATO W e’ve all done it: a contract lands in our inbox; we spot the digital signature and instantly breathe a little easier. Good, this one’s safe! Here’s the uncomfortable truth: That signature isn’t always the guarantee we think it is. In fact, it can sometimes be little more than a false comfort. In today’s world – where insider threats are on the rise and downtime can cost millions – relying on appearances alone is risky business. Why Everyone Should Care It’s tempting to chalk up signature security to “an IT problem.” However, digital signatures touch almost every team, and the weakest link often isn’t technology – it’s people.

n Finance teams : Invoices and wire transfer authorizations are prime targets for forgery. One “signed” fake can trigger a six-figure mistake before anyone realizes it. n Legal teams : Contracts and compliance filings collapse if the signatures behind them can’t hold up in court. n HR and operations : A single altered employment agreement can create compliance violations or messy disputes. n Healthcare providers : Weak protections on consent forms or claims don’t just risk fines; they can jeopardize patient care. n Government agencies : Breaches here don’t just hurt budgets — they shake public trust. It doesn’t stop with these departments. Every click of “approve” or “send” is part of a trust chain. If a document can be tampered with undetected, every part of the business – and every person in it – is exposed.

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