Colin Mc Hugo

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Colin Mc Hugo
Security Engineer Manager & CEO at Quantum Infinite Solutions Group Ltd.
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Cyber Security Incident Response
Management & Architecture of Cyber Security Teams
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Hacker Tried Poisoning Water Supply After Breaking Into Florida’s Treatment System

February 9, 2021

Hackers efficiently infiltrated the pc system controlling a water therapy facility within the U.S. state of Florida and remotely modified a setting that drastically altered the degrees of sodium hydroxide (NaOH) within the water.

Throughout a press convention held yesterday, Pinellas County Sheriff Bob Gualtieri mentioned an operator managed to catch the manipulation in real-time and restored the focus ranges to undo the injury.

“At no time was there a big impact on the water being handled, and extra importantly the general public was by no means in peril,” Sheriff Gualtieri said in a press release.

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The water therapy facility, which is positioned within the metropolis of Oldsmar and serves about 15,000 residents, is claimed to have been breached for roughly 3 to five minutes by unknown suspects on February 5, with the distant entry occurring twice at 8:00 a.m. and 1:30 p.m.

The attacker briefly elevated the quantity of sodium hydroxide from 100 parts-per-million to 11,100 parts-per-million utilizing a system that enables for distant entry by way of TeamViewer, a software that lets customers monitor and troubleshoot any system issues from different places.

“At 1:30 p.m., a plant operator witnessed a second distant entry consumer opening numerous features within the system that management the quantity of sodium hydroxide within the water,” the officers mentioned.

Sodium hydroxide, also referred to as lye, is a corrosive compound utilized in small quantities to regulate the acidity of water. In excessive and undiluted concentrations, it may be poisonous and might trigger irritation to the pores and skin and eyes.

It’s not instantly identified if the hack was achieved from inside the U.S. or exterior the nation. Detectives with the Digital Forensics Unit mentioned an investigation into the incident is ongoing.

Though an early intervention averted extra severe penalties, the sabotage try highlights the publicity of essential infrastructure services and industrial management techniques to cyberattacks.

The truth that the attacker leveraged TeamViewer to take over the system underscores the necessity for securing entry with multi-factor authentication and stopping such techniques from being externally accessible.

“Manually determine software program put in on hosts, significantly these essential to the economic setting equivalent to operator workstations — equivalent to TeamViewer or VNC,” said Dragos researcher Ben Miller. “Accessing this on a host-by-host foundation might not be sensible however it’s complete.”

“Distant entry necessities needs to be decided, together with what IP addresses, what communication sorts, and what processes may be monitored. All others needs to be disabled by default. Distant entry together with course of management needs to be restricted as a lot as doable.”

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