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A hacker gained entry to the system controlling the water treatment plant of a Florida city of 15, and tried to taint the water supply with a caustic chemical, exposing a danger cybersecurity experts say has grown as systems become both more computerized and accessible via the internet. Sodium hydroxide, also called lye, is used to treat water acidity but the compound is also found in cleaning supplies such as soaps and drain cleaners. It can cause irritation, burns and other complications in larger quantities. Fortunately, a supervisor saw the chemical being tampered with — as a mouse controlled by the intruder moved across the screen changing settings — and was able to intervene and immediately reverse it, Gualtieri said. Oldsmar is about 15 miles 25 kilometers northwest of Tampa. Oldsmar officials have since disabled the remote-access system, and say other safeguards were in place to prevent the increased chemical from getting into the water. Officials warned other city leaders in the region — which was hosting the Super Bowl — about the incident and suggested they check their systems. Who Is The Hacker Notification.

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Critical Infrastructure Security.

A hacker breached a Florida city's water treatment network on Teh, increasing the amount of lye that would have been added to the water to a dangerous level. But city officials in Oldsmar, Florida, say they were able to spot the intrusion and quickly reverse the setting before it took effect. Reuters reports that the intruder was able to access the water treatment network software after first gaining access to TeamViewer remote access and control software.

Oldsmar, Florida, which is about 17 miles northwest of Tampa, has a population of about 15, In recent years, officials have focused increasing attention on the security of industrial control systems used to manage municipalities' electricity and water. Such systems often are connected to the internet and could pose Who Is The Hacker Notification public safety risks if infiltrated by hackers. Questions will likely now be raised about how the city used and configured TeamViewer for remote access, including which access Notjfication were in place. TeamViewer has long been an attractive target because it's designed to give administrators full, remote access to and control of systems.

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But any hacker able to access the software can also obtain the same level of remote control over systems. TeamViewer spokesman Patrick Pickhan tells Information Security Media Group that his company has been tracking the hack attack report and "condemns any malicious behavior" involving its software. Did the hacker leave traces that digital forensic responders can track? Ideally, anyone who logged into the city's systems link have first been Hacier authenticated via multifactor authentication, says Gil Kirkpatrick, chief architect at the cybersecurity company Semperis.

On the other hand, the system may only have been protected by a username and password, which attackers may have been able to brute-force crack. Or attackers, in theory, might have stolen a working username and password from a city employee, or even shared credentials. TeamViewer strengthened its security controls five years ago following a wave of account takeovers involving cybercriminals repurposing login credentials stolen from other breaches.

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Features added to TeamViewer included alerts whenever someone logs in from an unknown device, as well as more vigilant monitoring of the location of login attempts see TeamViewer Bolsters Security After Account Takeovers. Secret Service have been notified. Officials don't know if the attacker was located inside or outside the U.]