More about Acquisitions CyberArk Palo Alto Networks

Palo Alto Networks will buy Israeli security biz CyberArk in a $25 billion cash-and-stock deal confirmed today.

It's Palo Alto Networks' largest purchase to date, and one of the most expensive acquisitions this year coming in behind Google paying $32 billion for cloud security upstart Wiz in March.

CyberArk provides identity security and privileged access management tools, which have become increasingly important to enterprises who need to not only verify and secure human identities, but also machines and AIs. 

"Today, the rise of AI and the explosion of machine identities have made it clear that the future of security must be built on the vision that every identity requires the right level of privilege controls," Palo Alto Networks CEO Nikesh Arora said in a statement announcing the purchase.

Machine identities outnumber those of humans by 40 to one, according to CyberArk, and this number is expected to skyrocket as ...