Internet security firm Astaro Corp. has leased 15,000 square feet of office space at 260 Fordham Road in Wilmington.

Astaro protects more than 100,000 computer networks, and is headquartered in Burlington and Karlsruhe, Germany.

The landlord was represented by Derek Cook and Eric Anderson of Cummings Park. The tenant was represented by Debra Stevens, principal of The Stevens Group of Boston.