Defending OT Operations Against Ongoing Pro-Russia Hacktivist Activity

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Excerpt

TLP:CLEAR

Defending OT Operations

Against Ongoing Pro-Russia

Hacktivist Activity

Overview

• Immediately change all default

passwords of OT devices

(including PLCs and HMIs), and

use strong, unique passwords.

• Limit exposure of OT systems to

the internet.

• Implement multifactor

authentication for all access to

the OT network.

Actions to take today: The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), National Security Agency (NSA), Environmental Protection Agency (EPA), Department of Energy (DOE), United States Department of Agriculture (USDA), Food and Drug Adm…

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