Cybersecurity Daily: News & Threats · 26 Jun 2026 · 4 min

ShinyHunters Hits NAIC, PQC Federal Mandate & US Breach Costs Peak

ShinyHunters breach the National Association of Insurance Commissioners via an Oracle PeopleSoft zero-day, while the White House signs the first binding post-quantum cryptography mandate for federal agencies. Plus: record US breach costs, Mexico's cybersecurity plan, and two critical CISA-flagged device exploits.

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ShinyHunters Hits NAIC, PQC Federal Mandate & US Breach Costs Peak

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What's covered

72-Hour Federal Patch Deadline

Federal agencies have seventy-two hours to patch two actively exploited device families. CISA confirmed both Lantronix EDS5000 serial-to-IP converters and Ubiquiti UniFi OS devices are under real-world attack, with the federal patch deadline set for June twenty-sixth.

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ShinyHunters Breaches NAIC

Separately, the insurance sector's primary regulatory body has been breached. ShinyHunters claimed responsibility for stealing three point one terabytes of data from the National Association of Insurance Commissioners via an Oracle PeopleSoft zero-day.

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Post-Quantum Cryptography Federal Mandate

The White House signed an executive order on June twenty-fifth establishing the first binding federal mandate for post-quantum cryptography migration. Federal agencies must complete the transition to NIST-approved PQC algorithms for key establishment by December thirty-first, twenty-thirty, and for digital signatures by December thirty-first, twenty-thirty-one.

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Mexico's Six-Year Cybersecurity Plan

Mexico secured Congressional majority approval for its National Cybersecurity Plan covering twenty-twenty-five through twenty-thirty. The Sheinbaum administration's plan includes a national cyber range by twenty-twenty-seven and a regional Latin America incident response hub by twenty-twenty-eight.

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US Breach Costs Hit Record High

One final data point worth holding onto. Global average data breach costs fell nine percent to four point four four million dollars.

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