From 17,000 to 1.1 Million Assets: How Lumen Technologies Rebuilt Exposure Management at Scale

The gap between perceived and actual asset visibility continues to undermine cybersecurity programs across industries, as highlighted by recent developments in enterprise exposure management. Despite widespread assumptions of relative inventory accuracy, organizations remain dangerously unaware of their true attack surface. This challenge is particularly evident in the experience of Lumen Technologies, which recently undertook a massive transformation of their asset management capabilities.

According to the 2026 Axonius Actionability Report, which surveyed over 600 security leaders, merely 45% of organizations consolidate their asset and exposure data into a unified view