Signatures Security
There are various levels of security of paper documents. Mostly applications enable signing document without anyone attesting this act. But higher level of security requires participating of witnesses. The definitive level of security is to have your signature witnessed by a notary public.Moreover, in the electronic world there are different levels of security for electronic signatures. An electronic signature is an image, commonly in "tiff" format, with no security features. It is easy to copy that image and past it into another document. This is a perilous form of electronic signatures that some people have accepted. This can be considered as level 0 form of security.
The higher levels of security of electronic signatures are described in Electronic Signatures Higher Security Levels article.
