An outlook security certificate is also called S/MIME or email certificate. It uses the public key infrastructure (PKI) to encrypt and decrypt the communication.
Outlook Security CertificateĪn outlook security certificate is a digital certificate used in Microsoft Outlook to sign the emails so that the receiver can be sure that the email has actually come from a legitimate person and has not been intercepted or altered by any other person.
Only the intended recipient can decrypt and read the mail and ascertain that it hasn’t been tampered with by an attacker on the network. Not only do these certificates ensure confidentiality but also determine the integrity of the messages. Email signing certificates (also known as S/MIME certificates) are used to digitally sign and encrypt the email messages that you send from your mailbox.
