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Hacker Attempts to Poison Florida City s Water Supply

Feb 10, 2021 4:06 AM PT A cyber intruder broke into the computer network of the water treatment system of a Florida city and attempted to poison it with lye. News of the attack was made public Monday by officials of Oldsmar, who revealed the attack was foiled by an operator at the facility within minutes of its launch. After gaining access to the city s water system through software used by employees for remote network access, the intruder increased the levels of sodium hydroxide in the system from 100 parts per million to 11,000 parts per million. Sodium hydroxide, commonly known as lye, is the main ingredient in liquid drain cleaners. In the water system, it s used in small amounts to control the acidity of the city s drinking water.

Oldsmar s Cyber Attack Raises the Alarm for the Water Industry

Cybersecurity and your water: Hacker attempted to poison Florida city s water supply

Cybersecurity and your water: Hacker attempted to poison Florida city s water supply Retired Rear Adm. Mark Montgomery and Annie Fixler, opinion contributors © iStock Cybersecurity and your water: Hacker attempted to poison Florida city s water supply An unknown hacker remotely accessed the chemical controls of a water treatment plant in the City of Oldsmar, near Tampa, Fla., earlier this month. This breach is a reminder that the country s water infrastructure is poorly secured in cyberspace - and that vulnerabilities in this critical system pose real world consequences. Upon gaining access to the system, the hacker increased the amount of sodium hydroxide in the water to dangerous levels. Sodium hydroxide is lye and the main ingredient in drain cleaner. At high levels, it would have poisoned the city s drinking water. The hacker breached the network through TeamViewer software, a commonly used program for remote system maintenance. Industrial control systems

Florida water plant cyberattack: Senate Intel chair seeks answers

FOX News national security correspondent Jennifer Griffin joins Special Report with latest on cyberattack Senate Intelligence Chairman Mark Warner has sent a letter to the FBI and Environmental Protection Agency (EPA) seeking more information regarding the recent computer breach at a Florida water treatment facility, citing the need to ensure that potential security weaknesses are addressed. Warner, a Virginia Democrat and chair of the Senate Select Committee on Intelligence, penned the letter to Matt Dorham, assistant director of the FBI’s Cyber Division, and Radhika Fox, acting assistant administrator for the EPA’s Office of Water. He cited Cybersecurity & Infrastructure Security Agency (CISA) data that indicates 80% of the nation’s drinkable water comes from about 153,000 public water systems, and any type of attack, including a cyber attack, could result in ‘illnesses or casualties and/or a denial of service that would also impact public health and economic vitali

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