Whether for users, groups or servers - it is always important that data and information are exchanged securely between users and web applications or via e-mail.
Digital certificates are a proven way to achieve this. They ensure secure authentication of the communication partners and thus prevent the faking of a false identity. Encryption mechanisms in particular are an essential part of this. The following options are available:
A user certificate can be used to sign e-mails or encrypt documents (e.g. a PDF). The digital signature of an e-mail or document ensures that the document or message actually originates from the sender and not from a completely unrelated third party.
A group certificate is used if an e-mail address is used by several people or if it is an e-mail for function-bound purposes (e.g. dekanat_fak@uni-jena.de).
Administrators use a server certificate to secure access to the services offered by servers. Web services with "https://" in the address line of the browser indicate that exchanged data is transmitted encrypted via this website and no third party can read it.
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