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"Ultimately, shadow AI is the usage of AI tools that have not been preapproved, reviewed and sanctioned by the IT and security team," Wu said. It's similar to shadow IT, which is when employees use unapproved apps or software at work.  That's usually where the trouble starts. Not because you used AI to clean up a sentence, but because you gave it something your company would rather keep private. A quick shortcut can turn into an accidental data leak. That could be customer names, internal documents, source code or financial information. That doesn't mean every use of AI at work is dangerous. A

Over the last year, we've seen major tech conglomerates like Google, Microsoft, Meta and Amazon spend huge sums to build massive computer systems for AI. These hyperscalers paid top dollar to secure the available supply of components for their generative AI and large language models, or LLMs -- which then drove up prices across the rest of the tech industry. Apple, in the meantime, deliberately sat out the massive AI infrastructure spending race. Instead of burning cash on its own AI data centers and cloud warehouses, the company is now integrating Google Gemini models to power its AI-upgraded

A Visa spokesperson said in an email to CNET that the goal for Visa's OpenAI partnership with Visa is to make shopping easier and more efficient while making sure consumers still decide when, where and how their money is spent. "Consumers remain fully in control," the spokesperson said. "AI agents can only initiate purchases within clearly defined, user-set parameters, such as spending limits, approved merchants, or required approvals."  Visa said in a press release that it's planning for other AI-driven tools and features, like an Agent Score rating system for merchants to evaluate whether or