Cisco CEO Chuck Robbins speaks at VivaTech 2018 amid heightened cybersecurity concerns

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Chuck Robbins, the chief executive of Cisco, is speaking with CNBC's Karen Tso at the Viva Technology conference.

Cybersecurity is likely to be high on the agenda after the company warned Russia's government is likely behind a hack resulting in at least 500,000 routers and storage devices around the world being infected with sophisticated malware.