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Staff describes network separation and VPN plans after regional hacks
Summary
Staff reported local utilities experienced hacking elsewhere and said the city uses a dedicated private network to separate SCADA/control systems from the public internet; the West Side pump station will have a fiber VPN for improved security.
Staff briefed the board on cybersecurity steps after hearing about hacks affecting small water systems elsewhere. "We have a dedicated just a private network between here and the treatment plan," staff said, and added the West Side pump station will be connected via a fiber line and placed on a VPN to limit exposure to cloud or public networks.
Board members acknowledged the vulnerability of older telemetry systems and agreed that isolating utility control systems from public cloud services is prudent. Staff noted their controls vendor provides central automation oversight and that increased vigilance and layered protections are being implemented to reduce attack surface.
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