Redwood City, Calif. – September 13, 2026 -- The worldwide Network Security market reached nearly $8 billion in the second quarter of 2026, up 18 percent year-over-year, according to a new report from Dell'Oro Group. Firewall growth accelerated sharply, climbing from 9 percent in the first quarter to 18 percent in the second, as enterprises pushed ahead with lifecycle refreshes, capacity additions, branch modernization, and virtual enforcement deployments.