Siemens Energy site in Muelheim an der Ruhr, Germany, August 3, 2022.Wolfgang Rattay | ReutersSeveral U.S. ⁠government agencies warned that ​unidentified ​hackers ​are trying to breach ⁠devices ‌made by Siemens that ⁠are used to monitor and operate ‌water facilities and other critical ​infrastructure systems, according to a cybersecurity advisory ⁠published on ‌Wednesday.The warning ‌comes amid widespread cyber incidents ⁠targeting local water systems in ⁠multiple ⁠states in recent weeks in attacks ​cybersecurity ‌experts suspect are linked to Iran.