Key Takeaways Cisco's security business grew with $1.95B in revenues, up 9% year over year in fiscal Q4.Splunk synergies added 14% growth in new logos, while 750 new customers joined.Cisco guides Q1 fiscal 2026 revenues of $14.65B to $14.85B, up 6.7% year over year.Cisco Systems’ (CSCO) security business is benefiting from strong demand for Cisco Secure Access, Hypershield and XDR. In the fourth quarter of fiscal 2025, orders grew mid-single-digit. Splunk and Cisco synergies reported 14% year-over-year grow ...