Florida city water cyber incident allegedly caused by employee error

The Oldsmar, Florida, water treatment plant was the target of a cyberattack in 2021, which raised concerns about the cyber vulnerability of crucial infrastructure. Reports at the time claimed that a worker at the company witnessed his computer being accessed and managed remotely. The amount of sodium hydroxide, also known as lye, in the water […]

Process sensors are different than IOT and IIOT devices

December 2022, the US Government Accountability Office (GAO) issued Critical Infrastructure Actions Needed to Better Secure Internet-Connected Devices (GAO-23-105327). According to GAO, the scope of the report was governed by a legislative mandate in The Internet of Things Cybersecurity Improvement Act of 2020, which (along with conversations with GAO’s Congressional clients), which dictated the terms […]

Observations from 2021 SANS ICS Cyber Security Conference

The 2021 SANS ICS Cyber Security Conference was held March 4-5, 2021 with almost 9,000 registrants globally. The Conference thoroughly addressed OT networking issues. However, cyber security issues associated with Level 0,1 devices were not as adequately understood and addressed. There was also almost no discussion of the hardware backdoors in the Chinese-made transformers. My […]