After major Poland energy grid cyberattack, CISA issues warning to U.S. audience | CyberScoop<\/title> <meta name=\"description\" content=\"A recent attempt at a destructive cyberattack on Poland\u2019s power grid has prompted the Cybersecurity and Infrastructure Security Agency to publish a warning for U.S. critical infrastructure owners and operators.\"> <link rel=\"canonical\" href=\"https:\/\/cyberscoop.com\/cisa-warning-russian-cyberattack-poland-power-grid\/\"> <meta property=\"og:locale\" content=\"en_US\"> <meta property=\"og:type\" content=\"article\"> <meta property=\"og:title\" content=\"After major Poland energy grid cyberattack, CISA issues warning to U.S. audience\"> <meta property=\"og:description\" content=\"A recent attempt at a destructive cyberattack on Poland\u2019s power grid has prompted the Cybersecurity and Infrastructure Security Agency to publish a warning for U.S. critical infrastructure owners and operators.\"> <meta property=\"og:url\" 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readability=\"25.665354330709\">\n<div class=\"single-article__header-content\" readability=\"34.41059602649\">\n<ul class=\"single-article__eyebrow\">\n<li class=\"single-article__category\"> <a class=\"single-article__category-link\" href=\"https:\/\/cyberscoop.com\/cisa-warning-russian-cyberattack-poland-power-grid\/\"> <span>Government<\/span> <\/a> <\/li>\n<\/ul>\n<p> The Cybersecurity and Infrastructure Security Agency said the attack highlighted threats from vulnerable edge devices to operational technology and industrial control systems. <\/p>\n<p>  <br \/>\n<audio id=\"audio-player\" src=\"https:\/\/wp-tts-cdn.api.scpnewsgrp.com\/cyberscoop\/87731\/english.openai.mp3\"><\/audio> <\/p>\n<div readability=\"11\">\n<div>\n<p>Listen to this article<\/p>\n<p>  <\/p>\n<p>0:00<\/p>\n<\/p><\/div>\n<p>  <\/p>\n<p> <span id=\"tts-tooltip\">Learn more.<\/span> <span> This feature uses an automated voice, which may result in occasional errors in pronunciation, tone, or sentiment. <\/span> <\/p>\n<\/div>\n<p>  <\/div>\n<div class=\"single-article__cover-wrap\">\n<figure class=\"single-article__cover\"> <img data-recalc-dims=\"1\" fetchpriority=\"high\" width=\"640\" height=\"426\" src=\"https:\/\/i0.wp.com\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience.jpg?resize=640%2C426&ssl=1\" class=\"single-article__cover-image wp-post-image\" alt decoding=\"async\" fetchpriority=\"high\" srcset=\"https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg 1920w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=300,200 300w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=768,512 768w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=1024,682 1024w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=1536,1023 1536w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=600,400 600w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=252,168 252w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=506,337 506w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=1013,675 1013w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-5.jpg?resize=1265,843 1265w\" sizes=\"(max-width: 1013px) 100vw, 1013px\"><figcaption> Wind turbines are seen on a wind farm on a field between agricultural produce in a countryside in a village near Radom, Poland on May 19, 2025. (Photo by Dominika Zarzycka\/NurPhoto) <\/figcaption><\/figure>\n<\/p><\/div>\n<\/header>\n<div class=\"single-article__content\">\n<div class=\"single-article__content-inner has-drop-cap\"> <html readability=\"35.218921032056\"><body readability=\"74.827078955269\"><\/p>\n<p>A recent attempt at a destructive cyberattack on Poland\u2019s power grid has prompted the Cybersecurity and Infrastructure Security Agency to publish a warning for U.S. critical infrastructure owners and operators.<\/p>\n<p><a href=\"https:\/\/www.cisa.gov\/news-events\/alerts\/2026\/02\/10\/poland-energy-sector-cyber-incident-highlights-ot-and-ics-security-gaps\">Tuesday\u2019s alert<\/a> follows <a href=\"https:\/\/cert.pl\/en\/posts\/2026\/01\/incident-report-energy-sector-2025\/\">a Jan. 30 report<\/a> from Poland\u2019s Computer Emergency Response Team concluded the December attack overlapped significantly with infrastructure used by a Russian government-linked hacking group, and that it targeted 30 wind and photovoltaic farms, among others.<\/p>\n<p>CISA said its warning was meant to \u201camplify\u201d that Polish report. In particular, CISA said the attack highlighted the threats to operational technology and industrial control systems, most commonly used in the energy and manufacturing sectors.<\/p>\n<p>And CISA\u2019s alert continues a recent agency focus on securing edge devices like routers or firewalls, after a <a href=\"https:\/\/cyberscoop.com\/cisa-bod-directive-unsupported-edge-devices-firewalls-routers\/\">binding operational directive<\/a> last week to federal agencies to strip unsupported products from their systems.<\/p>\n<div class=\"ad ad--inline_1 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<p>\u201cThe malicious cyber activity highlights the need for critical infrastructure entities with vulnerable edge devices to act now to strengthen their cybersecurity posture against cyber threat activities targeting OT and ICS,\u201d the alert reads.<\/p>\n<p>\u201cA malicious cyber actor(s) gained initial access in this incident through vulnerable internet-facing edge devices, subsequently deploying wiper malware and causing damage to remote terminal units (RTUs),\u201d it states. \u201cThe malicious cyber activity caused loss of view and control between facilities and distribution system operators, destroyed data on human machine interfaces (HMIs), and corrupted system firmware on OT devices. While the affected renewable energy systems continued production, the system operator could not control or monitor them by their intended design.\u201d<\/p>\n<p>CISA urged owners and operators to review the Polish report, as well as security guidance from other U.S. agencies.<\/p>\n<p>The attack directed at Poland \u2014 which its CERT compared to \u201cdeliberate arson,\u201d and had a \u201cpurely destructive objective\u201d at a time when the nation was struggling with cold temperatures and snowstorms \u2014 has had ripples in other parts of the world, too. <\/p>\n<p>\u201cOperators of UK critical national infrastructure (CNI) must not only take note but, as we have said before, act now,\u201d Jonathon Ellison, director for national resilience at the United Kingdom\u2019s National Cyber Security Centre, said in <a href=\"https:\/\/www.linkedin.com\/posts\/jonathon-ellison-obe_how-to-prepare-for-and-plan-your-organisations-activity-7426569749402132480-XG1v\/\">a LinkedIn post<\/a> Monday.<\/p>\n<div class=\"ad ad--inline_1 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<p>Dragos, a cybersecurity firm that specializes in industrial control systems, said the attack represented a new frontier.<\/p>\n<p>\u201cThis is the first major cyber attack targeting distributed energy resources (DERs), the smaller wind, solar, and CHP [combined heat and power] facilities being added to grids worldwide,\u201d the company wrote in a <a href=\"https:\/\/5943619.hs-sites.com\/hubfs\/Reports\/dragos-2025-poland-attack-report.pdf?hsCtaAttrib=205962111494\">report last month<\/a>. \u201cUnlike the centralized systems impacted in electric grid attacks in 2015 and 2016 in Ukraine, these distributed systems are more numerous, require extensive remote connectivity, and often receive less cybersecurity investment. This attack demonstrates they are now a valid target for sophisticated adversaries.\u201d<\/p>\n<p>Poland\u2019s analysis concluded that the infrastructure used in the attack overlapped with that used by the group known alternately as Static Tundra, Berserk Bear, Ghost Blizzard and Dragonfly.<\/p>\n<p><\/body> <\/p>\n<footer class=\"single-article__footer\">\n<div class=\"author-card\" readability=\"7.7216117216117\">\n<div class=\"author-card__avatar\">\n<figure class=\"author-card__image-wrap\"> <img data-recalc-dims=\"1\" decoding=\"async\" class=\"author-card__image\" src=\"https:\/\/i0.wp.com\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-1.jpg?w=640&ssl=1\" alt=\"Tim Starks\"> <\/figure>\n<\/p><\/div>\n<div class=\"author-card__details\" readability=\"10.901098901099\">\n<h4 class=\"author-card__name\">Written by Tim Starks<\/h4>\n<p> Tim Starks is senior reporter at CyberScoop. His previous stops include working at The Washington Post, POLITICO and Congressional Quarterly. An Evansville, Ind. native, he’s covered cybersecurity since 2003. Email Tim here: <a href=\"mailto:tim.starks@cyberscoop.com\">tim.starks@cyberscoop.com<\/a>. <\/div>\n<\/p><\/div>\n<div class=\"single-article__tags-container\">\n<h4 class=\"single-article__tags-title\">In This Story<\/h4>\n<\/p><\/div>\n<\/footer>\n<p> <\/html><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"single-article__ads js-single-article-sidebar\">\n<div class=\"ad ad--sidebar js-single-article-sidebar-5 ad--rightrail_1 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<div class=\"ad ad--sidebar js-single-article-sidebar-4 ad--rightrail_2 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<div class=\"ad ad--sidebar js-single-article-sidebar-3 ad--rightrail_3 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div><\/div>\n<\/article>\n<div class=\"popular-stories popular-stories--single-post\">\n<div 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(max-width: 252px) 100vw, 252px\"> <\/a><figcaption class=\"screen-reader-text\"> (Getty Images) <\/figcaption><\/figure>\n<header class=\"post-item__meta\">\n<h3 class=\"post-item__title\"> <a class=\"post-item__title-link\" href=\"https:\/\/cyberscoop.com\/salt-typhoon-hacking-campaign-goes-beyond-previously-disclosed-targets-world-cyber-agencies-say\/\"> Salt Typhoon hacking campaign goes beyond previously disclosed targets, world cyber agencies say <\/a> <\/h3>\n<div class=\"post-item__byline\"> <span class=\"post-item__author\"> <span>By <\/span> <a class=\"post-item__author-link\" href=\"https:\/\/cyberscoop.com\/author\/tim-starkscyberscoop-com\/\"> Tim Starks <\/a> <\/span> <\/div>\n<p> <\/header>\n<p> <\/article>\n<article class=\"post-item post-item--popular-stories-cards \">\n<figure class=\"post-item__thumbnail\"> <a class=\"post-item__thumbnail-link\" href=\"https:\/\/cyberscoop.com\/plankey-vows-to-boot-china-from-u-s-supply-chain-advocate-for-cisa-budget\/\" tabindex=\"-1\"> <img data-recalc-dims=\"1\" loading=\"lazy\" width=\"252\" height=\"168\" src=\"https:\/\/i0.wp.com\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-4.jpg?resize=252%2C168&ssl=1\" class=\"attachment-ratio-16-9-sm size-ratio-16-9-sm wp-post-image\" alt decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg 4000w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=300,200 300w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=768,512 768w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=1024,683 1024w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=1536,1024 1536w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=2048,1366 2048w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=600,400 600w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=252,168 252w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=505,337 505w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=1012,675 1012w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2026\/02\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience-8.jpg?resize=1264,843 1264w\" sizes=\"auto, (max-width: 252px) 100vw, 252px\"> <\/a><figcaption class=\"screen-reader-text\"> Sean Plankey, of Pennsylvania, responds to questioning during Senate Committee on Homeland Security and Governmental Affairs hearings to examine his nomination to be Director of the Cybersecurity and Infrastructure Security Agency, of the Department of Homeland Security, in the Dirksen Senate office building, in Washington, DC, on Wednesday July 24, 2025. (Mattie Neretin\/CNP\/Sipa USA) <\/figcaption><\/figure>\n<header class=\"post-item__meta\">\n<h3 class=\"post-item__title\"> <a class=\"post-item__title-link\" href=\"https:\/\/cyberscoop.com\/plankey-vows-to-boot-china-from-u-s-supply-chain-advocate-for-cisa-budget\/\"> Plankey vows to boot China from U.S. supply chain, advocate for CISA budget <\/a> <\/h3>\n<div class=\"post-item__byline\"> <span class=\"post-item__author\"> <span>By <\/span> <a class=\"post-item__author-link\" href=\"https:\/\/cyberscoop.com\/author\/tim-starkscyberscoop-com\/\"> Tim Starks <\/a> <\/span> <\/div>\n<p> <\/header>\n<p> <\/article>\n<\/p><\/div>\n<\/p><\/div>\n<p> <\/div>\n<p>\n<\/div>\n<p> <\/p>\n<section class=\"latest-podcasts\">\n<h2 class=\"latest-podcasts__title\"> Latest Podcasts\t<\/h2>\n<\/section>\n<div class=\"top-categories\">\n<div class=\"top-categories__container\">\n<h3 class=\"top-categories__category-title\">Government<\/h3>\n<\/p><\/div>\n<div 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{"id":8338,"date":"2026-02-10T09:54:42","date_gmt":"2026-02-10T15:54:42","guid":{"rendered":"https:\/\/cyberscoop.com\/?p=87731"},"modified":"2026-02-10T09:54:42","modified_gmt":"2026-02-10T15:54:42","slug":"after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience","status":"publish","type":"post","link":"https:\/\/ddi.mohflo.net\/index.php\/2026\/02\/10\/after-major-poland-energy-grid-cyberattack-cisa-issues-warning-to-u-s-audience\/","title":{"rendered":"After major Poland energy grid cyberattack, CISA issues warning to U.S. audience"},"content":{"rendered":"