Cybersecurity

Nasdaq Replaces Cybersecurity Chief With Infrastructure Veteran

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Nasdaq OMX Group Inc. has a new person in charge of the exchange operator’s electronic defenses.

Mark Graff, Nasdaq’s chief information security officer since 2012, left the company at the end of last month and his role has been filled by Lou Modano, according to spokesman Ryan Wells. Modano, a senior vice president, will keep his position as global head of infrastructure services. Modano joined Nasdaq in 2009 and previously worked at NYSE Euronext.