Greg Day – Biography

Last update: March 18, 2026

Executive profile

Greg was Vice President and Chief Security Officer, Europe, Middle East and Africa at Palo Alto Networks, and Vice President and Chief Technology Officer, Europe, Middle East and Africa at FireEye. Greg Day joined LevelBlue in 2022.

Greg Day is currently

Vice President and Global Field Chief Information Security Officer at Cybereason - View - Cybereason org chart



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Education

In 1996, Greg Day completed a Bachelor of Science at Portsmouth University.

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  • In the IT Security industry, Greg Day has 9,468 colleagues in 566 companies located in 40 countries. 7,308 executive movements have been recorded in the last 12 months. Learn more about IT Security.

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Through the switchboard, call Cybereason at +1 617... and ask for Greg Day.

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