By Shakeel Ahmed — AI Growth Lab

IBM's 2026 Cost of a Data Breach study found that unapproved "shadow AI" tools were involved in 43% of breaches , up from 20% a year earlier. Those breaches cost an average of $5.39 million , up from $4.63 million. The study covered 602 breached organizations between March 2025 and February 2026.

In plain English: the biggest new security risk is not a hacker breaking in from outside. It is your own team quietly pasting company work into AI tools nobody approved.

What is shadow AI?

Shadow AI means employees use AI tools their employer never approved, reviewed, or secured.…