A hacker attempted to taint the San Francisco water supply. A leaked report found the Cyberattack was designed to delete certain treatment programs, which could result in tainted water. The attack, which has only just come to light, occurred at the beginning of the year.

The hacker was able to obtain a former employee’s log in details in order to access the system. The breach was discovered the next day.

Previously, another cyberattack in February saw a hacker attempt to contaminate water supplies with sodium hydroxide.

It has been highlighted that not all districts have update computer systems.

Read More: Fox News