Questions tagged [physical-signature]
8 questions
65
votes
3 answers
Why are hand-written signatures still so commonly used?
Why are hand-written signatures still so commonly used? Can they actually prove anything?
Two assumptions:
If anyone wants to forge my signature I'm sure they will be able to do it. Even my own signature looks a little bit different every time I…
znq
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38
votes
5 answers
How do living politicians protect their readily obtainable signatures from misuse?
Many living politicians' signatures are found online or can handily be acquired (You can write them, and their letters will contain their signature). Thus do they use a different signature for personal private documents? If not, how can they…
user204891
5
votes
0 answers
How accurate are people at determining the validity of a signature?
Is there any scientific survey about this?
I could imagine an experiment like this:
100 people provide at least 3 times their signature (e.g. with different pens)
Each of them gets all 3 example signatures of e.g. 2 other people and has to forge…
Martin Thoma
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3
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1 answer
Handwriting/cursive education is on the decline. How does this affect signature-based authentication?
More and more schools are not teaching cursive handwriting, and many are considering it more of an art, or optional in the curriculum.
I assume this will have an impact on the ability to forge a person's signature.
However, I don't assume that an…
makerofthings7
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Is it possible to verify that a signature was made prior to the content of the document it is found on?
In What to do after I signed a blank sheet of paper given to me by my manager?, a distressed individual (B) has signed a blank piece of paper and given it to an adversary (A).
A has openly stated to B that her intention is to use this paper to…
Fiksdal
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1
vote
1 answer
Tamper-proofing/checking handmade signature
I would like to print pre-signed documents with a verifiable OTP on it.
I'm a web/system developer, crypto and security enthusiast. Somehow, I'm now the head of HR in a hotel in Congo. As an IT guy, I want to do the most with less work, so for…
Max13
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0
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1 answer
How to prevent copying of digtal (handwritten) signatures?
Assuming that you are not given any other choice than to implement digital handwritten signatures. That is, a signature pad (or even a computer mouse) is used to generate a digital signature which is stored as an image. The signature is part of an…
Just van der Veeken
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Is it a security risk for a signature to be publicly available?
For once, I'm not talking about digital signatures. I'm talking about good old-fashioned pen and paper signatures.
Should I protect my signature like I protect my passwords? Is it a genuine security risk if my signature is known? Intuitively this…
Hashim Aziz
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