AnnArbor.com reports Barracuda Networks, an information technology security company, is planning a major expansion in Ann Arbor, potentially  hiring up to 500 workers over the next seven years, as well as building a facility in Ann Arbor.

“Barracuda creates network security devices, provides email and web filtering products and phone system solutions, and monitors network attacks 24 hours a day, 7 days a week from its Ann Arbor office.”