Brief Overview

Nexum is a security solutions provider offering services through a range of technology partners supported from Nexum SOC centers.


Nexum, Inc.
190 S. LaSalle Street
Suite 1450
Chicago, Illinois 60603
Tel: (312) 726 – 6900


David Lesser, President and Chief Executive Officer for Nexum, previously served in the US Navy.


Founded in 2002, the company is headquartered in Chicago with offices in Kentucky, Ohio, Michigan, Wisconsin, and New Hampshire. The company also maintains a security and network operations command center in New Mexico.

Key Competitors

Trustwave, Optiv

Products and Services

Nexum provides a range of security solutions for Enterprise and Network Security, Cloud Security and Identituy Access including application and network management, DLP, endpoint protection, firewalls, IdAM, mobile protection, NAC, IDS/IPS, secure email, secure Web, VPN, and WAN optimization. These services are supported through Nexum SNOC capability with technologies offered through partner companies such as Aerohive, Arbor, Arista, Aruba, Bit9, Blue Coat, CheckPoint, Cisco, Dyn, Entrust, ExtraHop, F5, FireEye, Firemon, Gigamon, Guidance, IBM, Imperva, Infoblox, Ixia, Juniper, Net Optics, Palo Alto Networks, Prolexic (Akamai), Rapid7, RedSeal, Riverbed, RSA, ScaleArc, Sourcefire (Cisco), Thales e-Security, Tufin, VMware, Voltage, and WhiteHat. It provides Professional Risk Management, Deployment, Systems Review and Compliance Readiness services