A new study from Dragos has found that a water treatment plant in Oldsmar, Florida — where hackers attempted to poison the town’s water earlier this year — was also involved in another potential breach at the same time.
A browser being used on the plant’s network was traced back to a “watering hole” attack that was allegedly targeting water utilities across the country.
“We have medium confidence it did not directly compromise any organization,” the report said. “But it does represent an exposure risk to the water industry and highlights the importance of controlling access to untrusted websites, especially for Operational Technology and Industrial Control System environments.”
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Source: ZDNet