A hacker tried to poison the water supply in another major US city

To the average person, most cybersecurity news might only sound relevant in the abstract. Network penetrations, stolen passwords, leaked files, and the like aren't exactly the kind of things that create a headache for most of us. But like the nasty, sharp-edged expansiveness of the iceberg below the surface that you don't see, so too are the frightening implications of so many of the security and hack-related news items that you're not aware of -- or that you don't hear about until much later. Like, for example, the way a hacker nearly poisoned the water supply of another major US city, this time San Francisco, earlier this year.

NBC News revealed details of the heretofore unreported incident a few days ago, as part of a larger deep-dive into the disastrously porous state of the security associated with water supply systems around the US. In brief: On January 15, the week after the insurrection at the US Capitol that was still dominating national news headlines, a hacker embarked on this mission. Armed with a password and username for an employee's TeamViewer account, this hacker logged into the San Francisco water system's computer network remotely and started deleting programs associated with the treatment of drinking water.

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