Insider Risk Management: An O'Reilly Guide
A free O'Reilly guide by security executive Reet Kaur, on why legacy DLP misses the AI-accelerated insider.
Motive, means, and opportunity behind risk
Why DLP alone misses what IRM and DSPM catch
How to investigate, from first signal to story
A blueprint for a proactive insider risk program
Trusted by security teams at

Why it matters now
Four Numbers Behind the AI-Accelerated Insider
$4.92M
Costliest breach vector
is the average cost of a malicious insider incident, the priciest breach vector (IBM, 2025).
260
Days before detection
days is the average time to identify and contain an insider incident (IBM, 2025).
34%
Insiders behind breaches
of data breaches involve internal actors, according to Verizon's 2024 DBIR.
81%
IRM adoption is rising
of security leaders now run or plan to implement an insider risk program (Ponemon, 2025).
"Insider risk hides in plain sight: it looks like business as usual until it is not."