Google stated it has long applied core anti-spam policies to its generative AI Search features, with ongoing upgrades to counter emerging tactics, per a company spokesperson response to BBC reporting on May 19, 2026. A single crafted webpage sufficed to manipulate outputs from ChatGPT, Gemini, and Google AI Overviews on topics including health and finance, as demonstrated in the BBC investigation at https://www.bbc.com/future/article/20260519-google-tackles-attempts-to-hack-its-ai-results. Experts including Lily Ray of Algorythmic noted AI systems' reliance on individual web sources creates systemic exposure to such injections. Google described the May policy update as a clarification rather than a new measure, with evidence of continued use of identical manipulation techniques post-update. Primary data from the BBC probe documented real-world cases of biased answers on supplements and retirement information. Related analyses from sources such as the 2025 arXiv paper on retrieval-augmented generation vulnerabilities and OpenAI's January 2026 transparency report confirm parallel efforts at scale by multiple providers.