Fewer than one in five companies is currently using network segmentation to slow intruders from moving around its network, mainly due to the difficulty of configuring and maintaining firewall rules, according to a survey conducted by network security provider Illumio. The survey, based on interviews with 300 IT professionals, found that 19% of companies currently use network segmentation to reduce the risk of a data breach, while another 26% are planning a project in the next six months.

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