Assetnote ASM vs Bitsight External Attack Surface Management: Side-by-Side Comparison (2026)

Assetnote ASM: External attack surface management platform with continuous asset discovery. built by Assetnote. Core capabilities include Hourly automated asset discovery and scanning, Asset enrichment and contextualization, Exploit-based vulnerability verification..

Bitsight External Attack Surface Management: Discovers assets, analyzes risks, and prioritizes vulnerabilities across orgs. built by Bitsight. Core capabilities include Automated asset discovery and mapping, AI-enabled entity attribution using Graph of Internet Assets, Shadow IT detection..

Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.

Assetnote ASM differentiates with Hourly automated asset discovery and scanning, Asset enrichment and contextualization, Exploit-based vulnerability verification. Bitsight External Attack Surface Management differentiates with Automated asset discovery and mapping, AI-enabled entity attribution using Graph of Internet Assets, Shadow IT detection.

Assetnote ASM is developed by Assetnote. Bitsight External Attack Surface Management is developed by Bitsight. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Assetnote ASM and Bitsight External Attack Surface Management serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools. Review the feature comparison above to determine which fits your requirements.