Iran Dials Up Cyber Attack Pressure, Targets Supermarkets, Water Systems

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• Work to replace old copper wire led to the FAA’s ground stop

  Routine infrastructure maintenance at a remote facility disrupted radar feeds and aircraft communications, triggering a nationwide halt that grounded thousands of flights on Friday. Upgrades were required to transition to fiber optics because the legacy infrastructure faced an imminent shutdown. Transportation officials are now investigating technical failures and contractor performance while pressing federal lawmakers for additional modernization resources.

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• Copper wire upgrade caused nationwide flight suspension, US transport secretary says

  Federal officials ordered the unprecedented ground stop after contractor maintenance overwhelmed critical air traffic control communications, forcing the longest nationwide airspace shutdown since 2001. The severe disruption triggered thousands of travel disruptions nationwide and brought renewed scrutiny to the vulnerability of the country's aging flight infrastructure. Transport leaders are now pointing to the failure as urgent evidence that federal lawmakers must finance comprehensive system overhauls.

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• Sean Duffy blames Friday's FAA outage on copper-to-fiber wiring work at a remote facility, saying contractor L3Harris may have installed a "faulty router" (Joseph Pisani/Wall Street Journal)

  Investigators are looking into technical upgrades after an infrastructure transition caused disruptions across the Federal Aviation Administration network late last week. Officials suspect hardware defects introduced during telecom modernization efforts triggered the technical breakdown. The incident raises fresh scrutiny over private vendors managing critical telecommunications systems for government aviation operations.

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