This document can only be unlocked by using the matching private key, which is held by you. Within an office, this technology can be useful for signing expense reports, time sheets, and other HR documents. Smart cards are also used to verify the identity of anyone trying to open a document or message. They are small cards that are used to organize passwords and user information. Because only a select group of people have access to the document, it is easier to verify that someone has seen and approved the document.
Security can be an issue, though.
Cards can be lost or stolen, and identities can sometimes be forged. And not all computers come with smart card capability, so you may need to equip your computer to handle this technology. Smart cards can also be used to access sensitive documents, files, and information that are on your company's network. Biometrics Biometrics refers to any method of closely analyzing physical attributes, like a handwritten signature or voice, for example. There is software that works in conjunction with a writing tablet and pen that analyzes signatures and verifies user identity.