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The OneLayer Blog

Industrial site running private 5G assembled from multiple vendors, with one system of record for every connected asset Blog Private 5G Is a Building-Block Play Now. Every Combination Still Needs a System of Record Walk onto a plant floor that switched on private 5G last year and ask who built it. The answer is almost never one company. The radios came from one supplier,… By Dave Mor
Satellite cellular backup for utilities: an electrical substation silhouetted against a dusk sky Blog Satellite Is the Next Cellular Frontier for Utilities The storm has passed, but the substation still hasn’t heard from its reclosers. The private LTE site on the ridge lost commercial power hours ago, and its batteries are running… By Avishag Daniely
Hostile SIM risk: cellular router with SIM tray in an open field cabinet on a utility pole beside a substation at dusk Blog A Hostile SIM Card Can Take Over the Modem in Your Field Device The Card Everyone Trusts Can Give Orders In August 2026, researchers from the University of Birmingham and Fuzzware presented CATana, a study of SIM-originating AT commands, at USENIX WOOT ’26.… By Ido Shaked
ATM jackpotting risk: a standalone ATM with cellular antennas at the back of a gas station at night Blog ATM Jackpotting in 2026: Why the Cellular Router Is Urgent More than Ever On February 19, 2026, the FBI warned that ATM jackpotting is rising across the United States. The bureau counted 1,900 jackpotting incidents since 2020, more than 700 of them in… By Ido Shaked
Robots, machine-vision cameras and edge AI hardware on a factory floor linked over a network with private 5G security Blog Private 5G Could Hit $84.7B as AI Moves to the Edge $84.7 billion in private LTE and 5G network spending by 2031, up from $17.3 billion this year. I read that as a forecast of something other than revenue. It is… By Dave Mor
Transmission towers at dusk illustrating CIP-015 and BOD 26-02 internal network monitoring for electric utilities Blog CIP-015 and BOD 26-02 Are the Same Requirement Wearing Two Different Names Two federal directives landed in 2026 that look like they have nothing to do with each other. NERC’s CIP-015-1 tells electric utilities to start watching traffic inside their own electronic… By Avishag Daniely
OTA APN chokepoint where private cellular devices converge for firmware updates Blog The OTA APN: Where Your Segmentation Quietly Breaks Down Most private cellular security programs lean on one control more than any other: the APN. Different devices get different APNs, traffic between them stays isolated, and the network diagram looks… By Dave Mor
Cellular network visibility gap exposed at water utility control systems Blog Iran-Linked Hackers Hit Water Utilities in 12 States. The Way in Was a Cellular Modem Nobody Was Watching In late July, hackers reached programmable logic controllers at water and wastewater facilities across at least seven states, a small-town Minnesota water system among the first hit. Minnesota alone had… By Liron Ben Horin
High-voltage substation equipment at dusk, symbolizing OT network visibility gaps in grid infrastructure Blog OT Network Visibility: Poland Grid Attack Lessons On December 29, 2025, a coordinated cyberattack hit Poland’s energy sector. Over 30 sites were compromised simultaneously: wind farms, solar dispatch centers, a combined heat and power plant serving nearly… By Ido Shaked
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