Coverage dated August 1, 2026 to August 6, 2026

FBI says hackers altered operating instructions for water systems in some states

Headline from CBS News, on the newest of 2 developments

At least 12 states are reporting cyberattacks on water systems that may be linked to Iran-backed hackers. CBS News homeland security correspondent Nicole Sganga has the latest.

CBS News's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. The cyberattacks on U.S. water systems.

    Headline from Tangle ·

  2. Newest

    FBI says hackers altered operating instructions for water systems in some states

    Headline from CBS News ·

4 reports not tied to one development ·

Reports & sources

22 articles, oldest first.

  1. New York Post

    Iranian hackers likely behind Minnesota water system attacks, but it’s ‘surprising’ country hasn’t taken credit, expert says (opens New York Post)

    Published

    New York Post's feed description

    “The working assumption is that it is Iranian threat actors,” Annie Fixler, director of the cyber and technology innovation center at the Foundation for Defense of Democracies, told JNS.

  2. The Daily Caller

  3. American Greatness

    FBI, EPA Warn of Hacking Wave on Water Systems (opens American Greatness)

    Published

    American Greatness's feed description

    The FBI and the Environmental Protection Agency warned that hackers are actively trying to disrupt municipal water systems, after cyberattacks hit utilities in at least […] Source

  4. Fox News

    Water cyberattack hits at least 7 states (opens Fox News)

    Published

    Fox News's feed description

    CISA warned about exposed programmable logic controllers weeks before hackers targeted dozens of Minnesota water utilities in a coordinated strike.

  5. ABC News

    At least 12 states face cyberattacks on their water systems, sources say (opens ABC News)

    Published

    ABC News's feed description

    Possible cyber intrusions targeting water and wastewater utilities have now been reported in at least a dozen states, multiple sources told ABC News.

  6. Tangle

    The cyberattacks on U.S. water systems. (opens Tangle)

    Published

    Tangle's feed description

    Plus, the history of similar attacks around the world.

  7. Axios

    The number of states targeted in cyberattacks on water systems has jumped to 12 (opens Axios)

    Published

    Axios's feed description

    At least a dozen states are reportedly responding to cyberattacks against local water systems . Why it matters: This appears to be one of the broadest known coordinated cyber campaigns against U.S. municipal water systems to date, validating years of warnings that poorly secured utilities could beco…

  8. End Time Headlines

    Cyberattacks target water systems in at least 12 states (opens End Time Headlines)

    Published

    End Time Headlines's feed description

    At least a dozen U.S. states are now responding to cyberattacks targeting local water and wastewater systems, according to a report from Axios. The incidents mark one of the broadest known coordinated campaigns against municipal water infrastructure in the country.

  9. The Conversation US

    How hackers attack municipal water systems – and why the utilities are so vulnerable (opens The Conversation US)

    Published

    The Conversation US's feed description

    A cybersecurity researcher explains how hackers target small computers that control a water system’s tanks, pipes and valves.

  10. Legal Insurrection

    Iran Suspected as Water Utility Cyberattacks Spread Across Seven States (opens Legal Insurrection)

    Published

    Legal Insurrection's feed description

    The attacks are targeting internet-exposed industrial controllers. The post Iran Suspected as Water Utility Cyberattacks Spread Across Seven States first appeared on Le·gal In·sur·rec·tion .

  11. Sofrep

    Iranian Fingerprints on America’s Water Systems: Cyberattacks Hit 12 States (opens Sofrep)

    Published

    Sofrep's feed description

    Iran may not yet be convicted in the court of public attribution, but somebody has been reaching into America’s water systems through doors the government warned us to close years ago. #Cybersecurity #CriticalInfrastructure #Iran #WaterSecurity #CyberWarfare

  12. CBS News

    Water system cyberattacks spread to at least 12 states (opens CBS News)

    Published

    CBS News's feed description

    Several states are experiencing cyberattacks on their water systems after Minnesota reported at attack last week. CBS News homeland security correspondent Nicole Sganga has the latest.

  13. CBS News

    At least 12 states report cyberattacks on water systems possibly linked to Iran (opens CBS News)

    Published

    CBS News's feed description

    Cyberattacks on U.S. water systems that officials suspect may be linked to Iran-backed hackers have been reported in at least a dozen states, sources familiar with the matter told CBS News.

  14. The Hill

    America’s water systems are under attack. Iran may be to blame (opens The Hill)

    Published

    The Hill's feed description

    A recent wave of cyberattacks on American water systems is raising alarm at all levels of government, with U.S. authorities reportedly suspecting Iran-linked hackers. The FBI reported Thursday that “malicious cyber actors” targeted water and wastewater utility companies in at least seven states over…

  15. CBS News

    Possible Iranian cyberattacks on water facilities spark safety fears (opens CBS News)

    Published

    CBS News's feed description

    Cyberattacks on water and wastewater facilities in at least 12 states that are possibly linked to Iran are causing concerns about the safety of drinking water. Nicole Sganga has more.

  16. Off Grid Survival

    Hackers Hit New Jersey Water Systems: Twelve States Now Hit in attack on America’s Drinking Water (opens Off Grid Survival)

    Published

    Off Grid Survival's feed description

    Hackers Hit New Jersey Water Systems: Twelve States Now Hit in attack on America’s Drinking Water Hackers breached two New Jersey water systems despite years of cybersecurity laws and warnings. Officials still refuse to say which utilities were hit.

  17. The Hill

    Is Iran to blame for America's water system cyberattacks? (opens The Hill)

    Published

    The Hill's feed description

    {beacon} Technology Technology The Big Story America’s water systems are under attack. Iran may be to blame A recent wave of cyberattacks on American water systems is raising alarm at all levels of government, with U.S. authorities reportedly suspecting Iran-linked hackers.

  18. CBS News

    America's water systems are getting hacked amid security gaps, experts say (opens CBS News)

    Published

    CBS News's feed description

    The nation's 152,000 public water systems often lack defenses against malicious actors, cybersecurity experts said. Here's what to know.

  19. Axios

    Cyberattacks expose deeper vulnerabilities in U.S. water systems (opens Axios)

    Published

    Axios's feed description

    Suspected Iran-linked cyberattacks re exposing long-standing vulnerabilities in fragmented U.S. drinking water systems facing aging infrastructure and intensifying climate threats. Why it matters: Drinking water systems disruptions can threaten public health and essential services, while many utilit…

  20. CBS News

    FBI says hackers altered operating instructions for water systems in some states (opens CBS News)

    Published

    CBS News's feed description

    At least 12 states are reporting cyberattacks on water systems that may be linked to Iran-backed hackers. CBS News homeland security correspondent Nicole Sganga has the latest.

  21. KION Central Coast

    Why US water systems are vulnerable to foreign cyberattacks (opens KION Central Coast)

    Published

    KION Central Coast's feed description

    By Sean Lyngaas, CNN (CNN) — A cyberattack on water systems in a dozen states is exposing years of under-investment in critical infrastructure and how US adversaries can threaten services that everyday Americans take for granted, according to industry experts and current and former US officials.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

FBI says hackers altered operating instructions for water systems in some states | Since Then