The source of the water system cyberattacks is being investigated, but they came amid FBI warnings that Iranian hackers have been focused on such systems.
Elon Musk's X was hit by waves of outages earlier Monday, which the billionaire claims was due to a cyberattack with IP addresses originating in Ukraine.
The "major" breach was achieved by gaining access to a third party cybersecurity service.
The financial stakes of holiday scams are huge. Last year, U.S. consumers lost $10 billion, a billion more than the year before.
As the ongoing systems outage at software provider CDK Global stretches into its second week, car dealerships are racking up millions of dollars in losses, according to a new estimate.
A second cyber incident at data provider CDK Global, whose software is used at 15,000 auto dealers, continued to slow operations to a near-standstill Thursday at US and Canada dealerships, the company said in a message sent to dealers.