Cisco

Networking and cybersecurity giant that acquired Splunk for $28 billion, combining enterprise networking, SIEM, XDR, and threat intelligence into a unified security platform.

SIEMnetwork securityXDR

Sophos

Mid-market cybersecurity leader providing managed detection and response, endpoint security, and network security, strengthened by the 2025 acquisition of Secureworks.

MDRendpointfirewall