In this seminal report from Legal IT Insider, our lead analyst Neil Cameron looks at how the security foundations of the law firm are being rewritten, as AI becomes embedded in everyday legal work.

Traditional perimeter based security models were already under strain from cloud platforms and hybrid working; generative AI has finished the job. The report argues that the most significant shift is not technical but organisational: lawyers are now both the greatest source of risk and the most important security control.

Based on in-depth research and conversations both on and off the record, we look at where the real risk now sits – from shadow AI use and prompt driven data leakage, to privilege erosion, cross border data exposure and AI specific incident response.

And we examine the specifics of legal practice – privilege, confidentiality, regulatory exposure, client trust – for a world in which AI is no longer optional, the environment cannot be fully controlled, and resilience matters more than prevention.

This is more than a report; it serves as a reference point for future strategy. It includes ‘ten questions a managing partner should be able to answer’ and also five decisions that firm leadership should make explicitly rather than inherit by default.…

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