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Joseph Carson, head of global strategic alliances at IT security firm Thycotic, agreed that ransomware will increasingly target manufacturers. Carson also noted a growing impact of distributed denial of service (DDoS) attacks that flood systems with traffic in an attempt to knock them offline. He and sev- eral other experts pointed to the recent crippling DDoS attack on Dyn, a DNS service provider, as a harbinger of things to come. Command-and-control attacks like the one on the Ger-
man steel mill could become more prevalent as hackers explore new ways to attack manufacturers, said Jim Barkley, director of DMDII’s Digital Manufacturing Commons. Meanwhile, digital adversaries will continue to target
manufacturers’ prize possession of intellectual property, he said. New forms of customized malware will continue to keep
manufacturing executives up at night, according to AsTech Consulting’s Wenzler. “Many manufacturing and ICS systems are custom built
for specific purposes, and this has historically made them difficult to attack without custom, targeted malware or exploit code,” he said. “However, as malware kits are becoming commodities and can provide a great deal of easy-to-configure custom- ization, I believe we’re going to see more and more cus- tomized attacks that can be broadly distributed but may go undetected as they’ll only affect the particular custom systems the attacker wants to compromise.” Beckmann, the GE Research scientist, said that the
Industrial Internet of Things will continue to pose a distinct-but-surmountable challenge to manufacturers’ cyber defense. “It’s very common to have machines on a manufactur- ing floor that are disconnected,” Beckmann said. “They operate by themselves, they’re plugged into the wall, but that’s the level of connection it has. And I think as we move towards more and more of these systems that that’s where threats could arise, but I do think we have time to address them at the moment.” Not everyone was so optimistic. “In many ways, we are only seeing the tip of the iceberg
in terms of the outcome of a network attack. Entire plants could be shut down or even ruined,” said Kasey Cross, director of product management at LightCyber. “Defects could be introduced to products that are not
immediately discernible,” she said. “A motivated attacker can get into any network today.”
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March 2017
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