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The Airgap Is Not Enough: The Failed Security Perimeter Paradigm in OT Networks

December 21, 2020

The post The Airgap Is Not Enough: The Failed Security Perimeter Paradigm in OT Networks appeared first on POWER Magazine.

Operational technology (OT) electronics and networks for manufacturing, energy production, and virtually every other industrial application, are targets for cyberattacks. For infrastructure-related companies, such as power producers, transportation, and water plants, the OT networks are not only the revenue producers, but also important targets for destabilizing national security. Successful attacks can be destructive and costly, but the cost of the tools, training, and rigor to secure systems is also high.

What Is an Airgap?

An inexpensive perimeter defense solution to secure OT networks has become prevalent: Isolate the network from the internet with an “airgap” or a unidirectional communication device that blocks incoming communication and thus cyberattacks. With an airgap in place, other cybersecurity measures, such as the application of security patches, are no longer perceived to be necessary, reducing costs. In practice, the airgap solution is insufficient.

The airgap defense is not a new or revolutionary idea.…

Regulators Back Settlement for Costs of Failed Kemper IGCC Project

February 7, 2018

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Shareholders of Mississippi Power will have to absorb the majority of outstanding costs resulting from the scuttled Kemper County coal gasification project, as the state’s Public Service Commission (PSC) on February 6 approved a settlement for the remaining liabilities associated with the much-touted “clean coal” plant.

Mississippi Power in a statement said it “is pleased with this final order from the Public Service Commission, which effectively settles all costs associated with the Kemper County energy facility.” Anthony Wilson, the company’s CEO, in a statement after today’s vote said, “The economics really didn’t work out and the technology was hard to perfect.”

The PSC in 2017 told Atlanta-based Southern Co. to end construction at Kemper. The gasification project, touted as the future of coal, never was operational, as costs ballooned from an original price tag of $ 2.9 billion to about $ 7.5 billion. The settlement agreement, which was reached last year pending approval, means Mississippi Power, a subsidiary of Southern Co.,…

Mississippi Power Will Absorb Costs for Failed Kemper Gasification Project

August 23, 2017

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A settlement Mississippi Power reached on August 21 with stakeholders of the Kemper County facility will ensure customers won’t be subjected to rate increases associated with the now-abandoned gasification portion of the project. While that will affect revenues, the resolution could soften controversy surrounding the project and avoid protracted legal and financial turmoil, the company said.

Mississippi Power reached the settlement with Denbury Resources—the company under contract to buy all the project’s captured carbon, and which had already built a 61-mile carbon dioxide pipeline—along with three advocacy groups: the Central Mississippi Building and Construction Trades Council, the East Mississippi Business Development Corp., and the Ministerial Alliance Partnership.

It essentially provides that the annual revenue requirement—which is necessary to cover the power company’s expenses and have the opportunity to earn a fair rate of return—for the 2018 Kemper IGCC–related costs would be $ 126 million, resulting in no rate increase for customers now or in the future. It also proposes to modify the project’s 2010-awarded certificate of public convenience and necessity to limit the facility to operations of the natural gas combined cycle power plant, which was completed in 2014.…