CISA Urges Water Utilities to Disconnect Exposed Systems

The Cybersecurity and Infrastructure Security Agency (CISA) on July 30 warned water and wastewater utilities that it is seeing a “significant increase” in cyber threat activity targeting internet-exposed programmable logic controllers (PLCs). The agency urged operators to remove those devices from direct internet access immediately. According to a July 30 CISA alert , threat actors have altered PLC passwords to lock operators out of systems and changed device IP addresses to disconnect controlle