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Fake ChatGPT, Gemini, and Claude Ad Portals Capture Credentials and MFA Codes

thehackernews.com 2026-10-07 data leakage Critical

What Happened

Cybersecurity researchers have disclosed details of a "human-operated phishing platform" that impersonates advertising products for artificial intelligence (AI) chatbots like Google Gemini, Anthropic Claude, OpenAI ChatGPT, Perplexity, Meta Muse, and Manus. The products, which claim to offer campaign optimization, spend audits, and business-account connections, are designed with one goal in

Why It Matters

Researchers reported a human-operated phishing platform impersonating advertising products for ChatGPT, Gemini, Claude, and other AI services. Spoofed browser-in-the-browser login windows captured credentials and MFA codes, while operators could retain password attempts, fingerprint devices, and influence displayed MFA challenges. RealGround analysis: organizations should assess exposure to impersonation-based credential theft, review authentication and SaaS connection workflows, and strengthen phishing-resistant MFA and identity monitoring.

Healthcare Fintech SaaS SMB AI startups

RealGround Analysis

This signal maps to data leakage. Organizations using AI agents, LLM APIs, SaaS integrations, or sensitive data workflows should review whether this class of issue could create unauthorized tool execution, data leakage, weak approval gates, or unmanaged supply-chain exposure.

Recommended Actions

  • Restrict AI agent tool permissions and production write paths.
  • Review sensitive data access across prompts, logs, embeddings, memory, and SaaS integrations.
  • Add human approval workflows for high-impact or state-changing actions.
  • Run prompt injection and indirect prompt injection tests against affected workflows.
  • Document the owner, control gap, and remediation deadline for this risk class.

Source

https://thehackernews.com/2026/10/fake-chatgpt-gemini-and-claude-ad.html

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