Chinese Hackers Impersonate Anthropic Exec and White House Official to Target AI Policy Experts

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A China-aligned cyber espionage group dubbed TA419 impersonated a senior Anthropic employee and former White House official Lynne Edwards Parker in sophisticated phishing campaigns targeting fewer than 10 US AI policy experts. The cybersecurity firm Proofpoint discovered the attacks focused on experts working on AI regulation, export controls, and national AI strategy at think tanks, universities, and law firms.

Chinese Hackers Launch Sophisticated Phishing Campaign Against US AI Policy Experts

A China-aligned cyber espionage group known as TA419 has executed sophisticated credential phishing campaigns targeting AI policy experts at US think tanks, universities, and law firms, according to cybersecurity firm Proofpoint

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. The attacks, which intensified in July 2026, involved impersonating prominent figures including a senior Anthropic employee and Lynne Edwards Parker, the former principal deputy director of the White House Office of Science and Technology Policy

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The Chinese hackers have been conducting these espionage activities since at least April 2025, consistently targeting individuals working on AI regulation, export controls, and national AI strategy

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. Proofpoint attributed the hacking efforts to China based on the types of malware used, the internet infrastructure deployed, and targets that align with Chinese intelligence collection priorities

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Source: Jerusalem Post

Source: Jerusalem Post

Impersonation Tactics and Fake Advisory Committees

The credential phishing campaigns employed carefully crafted deception strategies. In February 2026, TA419 spoofed a senior Anthropic employee to phish an AI policy analyst at a US think tank, using the subject line "Request for Feedback on Military Integration of Claude"

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. This approach exploited genuine concerns about military applications of Anthropic's AI model to establish credibility.

Starting July 8, 2026, the Chinese hackers impersonated Lynne Edwards Parker and economist Heidi Crebo-Rediker in phishing emails sent to AI policy experts

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. These messages invited targets to join a fabricated AI Policy Advisory Committee or contribute to a fictitious Senate Committee on Foreign Relations report on AI export controls and supply chains

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. Alex Engler, a former White House official now heading the Penn Center on Media, Technology, and Democracy, received one such email but recognized it "felt slightly, nebulously off" and verified it was fraudulent

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Source: PYMNTS

Source: PYMNTS

Multi-Stage Attack Infrastructure Using Browser-in-the-Browser Technique

When targets responded to the initial phishing emails, TA419 followed up with shortened URLs promising additional details. These links initiated a multi-stage redirection chain leading victims through driftshare[.]co as the first-stage domain and globalfileshareplatform[.]com as the second-stage domain

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. The infrastructure conducted a Cloudflare Turnstile check behind a fake OneDrive loading screen before redirecting to an adversary-in-the-middle credential phishing page

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The attack employed Frameless BitB, an advanced version of the Browser-in-the-Browser technique that spoofs trusted login pages without using HTML iframe elements

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. TA419 extended this open-source tool with custom telemetry and automation modules that tracked victims' Microsoft sign-in flow and captured credentials using the adversary-in-the-middle proxy while relaying information to real Microsoft 365 infrastructure in the background

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. This seamless approach meant victims experienced successful sign-in events without realizing their session cookies had been stealthily captured

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Strategic Intelligence Targeting Amid US-China AI Competition

Proofpoint assessed that the targeting of fewer than 10 individuals across a handful of organizations suggested "an intelligence interest in US policymaking rather than technology theft alone"

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. The campaigns occurred amid intense geopolitical competition between the US and China over AI development, with Parker noting, "The United States and China are in a competition around AI"

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Source: The Register

Source: The Register

The espionage activities align with broader Chinese intelligence objectives to understand ongoing developments within the US AI policy and regulatory landscape

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. This comes as the US implements export controls and as accusations of model distillation emerge—OpenAI recently accused China's Moonshot AI of stealing American models' reasoning and data in attacks beginning July 1, 2026

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Broader Targeting Patterns and Infrastructure

TA419 has consistently demonstrated interest in defense, national security, energy, international relations, and foreign policy targets, predominantly with connections to the US and Japan

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. The group typically uses Cloudflare's content delivery network to hide backend hosting IP addresses and themes its credential phishing domains around file sharing sites and cloud services, such as msfile[.]online and onecloudfilesync[.]com

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The Chinese hackers also impersonate specific organizations, including the Japan-Taiwan Exchange Association, The Heritage Foundation, and Japanese Minister of Defense Shinjirō Koizumi's official website

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. Proofpoint identified dozens of phishing and spoofed-sender domains used by the group throughout 2026

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Recommendations for Protection Against Persistent Threats

Proofpoint expects TA419 will likely continue targeting think tanks and AI policy experts working on technologies of particular interest to the Chinese government, while continuing to spoof identities of real subject-matter experts

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. Organizations within the scope of TA419 activity should implement phishing-resistant, origin-bound authentication methods such as passkeys

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. Individual targets should treat unsolicited subject-matter outreach with caution and verify authenticity before proceeding

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. Parker expressed sadness that "relationships I've built over my career were being exploited by bad actors to deceive others"

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