There has been a bit of a changing of the guard at RSA Security, the computer security company controlled by storage and IT giant EMC. Art Coviello, the unit’s president, has stepped down and was replaced by Amit Yoran. Yoran came to RSA when his company, NetWitness, was acquired; he previously worked at Symantec by way of its acquisition of RipTech, another security company, in 2002. Coviello will remain executive chairman.
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