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AI-fueled attacks pose ‘active threat’ to water, other sectors, U.S. agencies warn
NSA, CISA, FBI, DOE and EPA warn hackers are using AI-generated scripts to actively attack Siemens S7 PLCs across critical-infrastructure sectors.
A joint cybersecurity advisory from the NSA, CISA, FBI, Department of Energy and EPA warns of an active threat campaign targeting water, food, energy, chemical, manufacturing and commercial facilities via Siemens S7 Series programmable logic controllers. The actors use internet scanning to find exposed or poorly protected PLCs, then deploy AI-generated exploitation scripts disguised as legitimate monitoring tools, an OT first that dramatically lowers the expertise required for ICS attacks. Siemens says no new S7 vulnerabilities are involved, only exploitation of misconfigurations, and it is coordinating with CISA's ProductCERT. The warning follows a joint FBI-EPA advisory confirming attacks at water and wastewater utilities in at least 12 states since July 27.
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CISA promotes a fresh way to deter cyberattackers: Lie to them
CISA issued first-time guidance advising critical infrastructure operators to deploy honeypots, honeytokens, and decoys to detect and distract intruders.
CISA published 'Using Cyber Decoys to Strengthen Detection and Response,' a 22-page guide marking the agency's first guidance on decoys such as honeypots and honeytokens. Acting executive director Chris Butera described decoys as a low-cost, high-fidelity way to detect adversaries already inside networks, complementing zero-trust and assume-compromise approaches. The guidance covers decoy principles, definitions, deployment scenarios, and is aimed especially at resource-constrained critical infrastructure sectors.
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G7 urges organizations to prepare for quantum cyber threats
G7 Cyber Security Working Group and CISA jointly urge organizations to begin migrating to post-quantum cryptography now, citing harvest-now-decrypt-later risk.
In a joint advisory, the G7 Cyber Security Working Group and CISA recommend starting post-quantum cryptography migration immediately rather than waiting for quantum computers to break current encryption. They warn attackers can already harvest encrypted data for later decryption, threatening long-lived secrets such as government records and trade secrets. Organizations are told to inventory sensitive systems, prioritize them, and fold quantum-resistant upgrades into routine refresh cycles. The advisory follows a UK 2035 PQC roadmap and recent US executive orders on quantum preparedness.
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