Assetnote ASM vs Mandiant 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..

Mandiant Attack Surface Management: Discovers and monitors external internet assets for exposures and vulnerabilities. built by Google. Core capabilities include Automated external asset discovery, Continuous monitoring with configurable scan frequencies, Technology and service identification..

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. Mandiant Attack Surface Management differentiates with Automated external asset discovery, Continuous monitoring with configurable scan frequencies, Technology and service identification.

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

Assetnote ASM and Mandiant 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.