Palo Alto Networks to Acquire Attack Surface Management Firm Expanse in $800 Million Deal

Network security giant Palo Alto Networks (NYSE: PANW) announced on Wednesday that it has agreed to acquire attack surface management firm Expanse in a deal valued at roughly $800 million. 

As its largest acquisition to date, Palo Alto will pay $670 million in cash and stock and approximately $130 million in equity awards.

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Expanse’s platform provides customers with a vulnerability map of externally exposed and untracked assets and helps evaluate and mitigate risk.

Following the acquisition, Expanse’s attack surface management capabilities will be integrated into the Palo Alto Cortex suite to help security operations stitch together external and internal threat data and provide customers with an integrated view of the enterprise. 

The proposed acquisition is expected to close during Palo Alto Networks fiscal second quarter.

Palo Alto Networks has spent billions in acquisitions in recent years, including The Crypsis Group, CloudGenix, Demisto, Twistlock,, Zingbox, RedLock, Aporeto and others.

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For more than 10 years, Mike Lennon has been closely monitoring the threat landscape and analyzing trends in the National Security and enterprise cybersecurity space. In his role at SecurityWeek, he oversees the editorial direction of the publication and is the Director of several leading security industry conferences around the world.

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