. "50"^^ . "2005Z"^^ . . . . . . . . "Mu Dynamics, Inc."@en . . "Mu Dynamics (formerly known as Mu Security) was an American private venture-funded company that makes hardware and software to test network services, to quantify their product's or service's reliability, availability and security.In April 2012, Spirent acquired Mu Dynamics for about forty million dollars in cash."@en .