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Oregon drinking water cyberattack 2026
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
1 DAYS
19 FACTS
1 EVENTS
1 SOURCES
FIRST ENTRY AUG 07
AUG 07 · Day 1
Oregon drinking water system accessed in cyber attacks
State leaders would not say if the Oregon attack was linked to cyber attacks initiated by hackers in Iran.
Between July 27 and July 30, hackers connected to programmable logic controllers via the internet and changed IP addresses and passwords, resulting in a loss of monitoring and control functionality.
Oregon Enterprise Information Services confirmed Oregon is aware of a July cyber incident involving unauthorized access to operational technology used by an Oregon drinking-water provider.
“In partnership with the City’s Information Security team and agencies like the United States Cybersecurity and Infrastructure Security Agency and the Federal Bureau of Investigation, the Portland Water Bureau routinely examines cybersecurity vulnerabilities to safeguard the resiliency of our system,”
BRANDON ZERO
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