===== Non-Repudiation ===== [[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]] [[dido:public:ra:1.4_req:2_nonfunc:25_security:nonrepudiability|See 2.2.4.3 Non-Repudiation]] **Non-Repudiation** means to ensure that a transferred message has been sent and received by the parties claiming to have sent and received the message. Nonrepudiation is a way to guarantee that the sender of a message cannot later deny having sent the message and that the recipient cannot deny having received the message. Source: [[https://www.webopedia.com/TERM/N/nonrepudiation.html]]