Block the Prompt, Not the Work: The End of "Doctor No"

There is a character that keeps appearing in enterprise security departments, and most CISOs know exactly who that is. It doesn’t build. It doesn’t enable. Its entire function is to say “No.”
No to ChatGPT.
No to DeepSeek.
No to the file-sharing tool the product team swears by.
For years, this looked like security. But in 2026, “Doctor No” is no longer just a management headache &