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US and Allies Say Russian Hackers Stole Emails without Social Engineering

Ground.News • July 23, 2026

Russia has increased cyber espionage as its traditional human intelligence capabilities in the West have been weakened by deportations and sanctions

WASHINGTON — A group of Russian hackers has spent the last year targeting nuclear scientists, defense contractors, and government employees in a cyber-espionage campaign, CNN reported citing private-sector researchers and warnings from spy agencies released Thursday.Their targets suggested an interest in nuclear fusion technology and intelligence that may aid in the Kremlin’s war with Ukraine.US email security firm Proofpoint, which investigated…

A group of Russian hackers has spent the last year targeting nuclear scientists, defense contractors and government employees in a cyber espionage campaign, according to private sector researchers and warnings issued Thursday by intelligence agencies.

A group of Russian hackers has spent the last year targeting nuclear scientists, defense contractors, and government employees in a cyber-espionage campaign, according to private-sector researchers and warnings from spy agencies released Thursday.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Russian Hackers Exploit Zimbra Zero-Day for Espionage Campaign Since July 2025, Russian state-backed hackers, known as Laundry Bear, have exploited a zero-click vulnerability (CVE-2025-66376) in the Zimbra Collaboration Suite to infiltrate Western government and commercial organizations. This attack method allows hackers to steal sensitive data without requiring victims to click links or open attachments, merely by opening or previewing an email. The campaign has targeted over ten organizations, including those in the defense, energy, and technology sectors, with a focus on NATO countries and Ukraine. The vulnerability was patched in November 2025, but many systems remain unpatched. Cybersecurity agencies from the US and allied nations have issued urgent advisories to mitigate the threat. The attacks have been linked to espionage activities aimed at gathering intelligence for the Russian government. 47 sources 81

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US and Allies Say Russian Hackers Stole Emails without Social Engineering

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MITRE ATT&CK (2)

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