Your Firewall Can't Hear Radio
Sources, by chapter
Linked references for the book’s reporting and observed work.
Sources grouped by chapter. NetOps IQ observations are anonymized: customer names, device identifiers and dates are not published. A publisher may require a subscription to read its report.
Chapter 2 / The Modem Nobody Listed
1. Rogue communication devices found in some Chinese solar inverters, and cellular radios in some batteries.
Back to chapter2. Energy campus: a 4G modem wired into a control screen, found during a site walk-through, plus remote-access tools open to the internet. Anonymized site assessment.
Back to chapterChapter 3 / Five Ways In Through the Air
3. Malicious cyber actors targeting internet-facing programmable logic controllers in the water and wastewater sector, causing operational disruptions.
Back to chapter4. Arrests linked to devices imitating cell towers; more than 13 million network disruptions. The figure counts disruptions, not individual victims.
Toronto Police Service, April 2026
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