America’s largest water utility hit by cyberattack at time of rising threats against U.S. infrastructure
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American Water, the largest water utility in the U.S., disclosed that it had been hit by a cyberattack.
The Camden, New Jersey-based company said in a security statement on its website that it had learned of “unauthorized activity in our computer networks and systems” last Thursday, which it determined “to be the result of a cybersecurity incident.”
The company said on Tuesday that it shut down its customer service portal, and as a result, its billing function “until further notice” and will not charge any late fees or other fees related to billing as long as the system is down.
Some recent hacks of major U.S. companies have brought key online systems to a halt and created chaos for consumers and businesses, such as the hack of UnitedHealth which led to nationwide difficulty among patients needs prescriptions filled and health-care professionals needing to be paid for services.
Hacks targeting U.S. water infrastructure, in particular, have been increasing, with some of the attacks linked to geopolitical rivals of the U.S., including Iran, Russia and China.
Taking out critical national infrastructure has become a top priority for foreign-linked cybercriminals. “All drinking water and wastewater systems are at risk — large and small, urban and rural,” an EPA spokesman recently told CNBC.
American Water provides drinking water and wastewater services to more than 14 million people with regulated operations in 14 states and on 18 military installations.
One recent Russian-linked hack in January of a water filtration plant in a small Texas town, Muleshoe was located near a U.S. Air Force base. “Water is among the least mature in terms of security,” Adam Isles, head of cybersecurity practice for Chertoff Group, recently told CNBC.
The FBI warned Congress in February that Chinese hackers had penetrated deeply into United States’ cyber infrastructure in an attempt to cause damage, targeting water treatment plans, the electrical grid, transportation systems and other critical infrastructure.
America Water said it remains early in the investigation and “currently believes” that no water or wastewater facilities or operations have been impacted and water remains safe to drink.
Law enforcement and third-party cybersecurity experts are now involved, the company said.
American Water did not immediately respond to a request for additional comment.
The rising cybercrime wave targeting key water infrastructure led the Environmental Protection Agency to issue an enforcement alert warning that 70% of water systems it inspected do not fully comply with requirements in the Safe Drinking Water Act. Without quantifying an exact number, the EPA said some have “alarming cybersecurity vulnerabilities” — default passwords that have not been updated, vulnerable single login setups and former employees who retained systems access.
American Water said it first learned of the unauthorized computer access on October 3, and was subsequently able to determine it was a cyberattack. It said turning off customer systems was intended to protect data, though it added that it is too soon to know whether any customer information is at risk.
An American Water spokesman declined to comment beyond the official security statement.
Jensen Huang, chief executive officer of Nvidia Corp., during the US-Saudi Investment Forum at the Kennedy Center in Washington, DC, US, on Wednesday, Nov. 19, 2025.
Stefani Reynolds | Bloomberg | Getty Images
In the weeks leading up to Nvidia’s third-quarter earnings report, investors debated whether the markets were in an AI bubble, fretting over the massive sums being committed to building data centers and whether they could provide a long-term return on investment.
During Wednesday’s earnings call with analysts, Nvidia CEO Jensen Huang began his comments by rejecting that premise.
“There’s been a lot of talk about an AI bubble,” Huang said. “From our vantage point we see something very different.”
In many respects, Huang’s remarks are to be expected. He’s leading the company at the heart of the artificial intelligence boom, and has built its market cap to $4.5 trillion because of soaring demand for Nvidia’s graphics processing units.
Huang’s smackdown of bubble talk matters because Nvidia counts every major cloud provider — Amazon, Microsoft, Google, and Oracle — as a customer. Most of the major AI model developers, including OpenAI, Anthropic, xAI and Meta, are also big buyers of Nvidia GPUs.
Huang has deep visibility into the market, and on the call he offered a three-pronged argument for why we’re not in a bubble.
First, he said that areas like data processing, ad recommendations, search systems, and engineering, are turning to GPUs because they need the AI. That means older computing infrastructure based around the central processor will transition to new systems running on Nvidia’s chips.
Second, Huang said, AI isn’t just being integrated into current applications, but it will enable entirely new ones.
Finally, according to Huang, “agentic AI,” or applications that can run without significant input from the user, will be able to reason and plan, and will require even more computing power.
In making the case of Nvidia, Huang said it’s the only company that can address the three use cases.
“As you consider infrastructure investments, consider these three fundamental dynamics,” Huang said. “Each will contribute to infrastructure growth in the coming years.”
Reversing the slide
In its earnings release, Nvidia reported revenue and profit that sailed past estimates and issued better-than-expected guidance. Last month, Huang provided a $500 billion forecast for sales of the company’s AI chips over calendar 2025 and 2026.
The company said on Wednesday that its order backlog didn’t even include a few recent deals, like an agreement with Anthropic that was announced this week or the expansion of a deal with Saudi Arabia.
“The number will grow,” CFO Colette Kress said on the call, saying the company was on track to hit the forecast.
Prior to Wednesday’s results, Nvidia shares were down about 8% this month. Other stocks tied to the AI have gotten hit even harder, with CoreWeave plunging 44% in November, Oracle dropping 14% and Palantir falling 17%.
Some of the worry on Wall Street has been tied to the debt that certain companies have used to finance their infrastructure buildouts.
“Our customers’ financing is up to them,” Huang said.
Specific to Nvidia, investors have raised concerns in recent weeks about how much of the company’s sales were going to a small number of hyperscalers.
Last month, Microsoft, Meta, Amazon and Alphabet all lifted their forecasts for capital expenditures due to their AI buildouts, and now collectively expect to spend more than $380 billion this year.
Huang said that even without a new business model, Nvidia’s chips boost hyperscaler revenue, because they power recommendation systems for short videos, books, and ads.
People will soon start appreciating what’s happening underneath the surface of the AI boom, Huang said, versus “the simplistic view of what’s happening to capex and investment.”
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