Microsoft Defender for Business vs NSAuditor AI

Microsoft Defender for Business has no write-up on Specifiction yet; its figures are above.

NSAuditor AI is an open-source network security scanner that runs on a customer’s infrastructure and can be configured to operate fully offline. It scans network hosts and CIDR subnets, AWS, Azure, GCP, TLS, DNS, and operational technology targets; authenticated and continuous scanning are supported. Community includes 27 scanner plugins, parallel subnet scanning, webhook alerts, and exports in JSON, HTML, SARIF, and CSV. AI analysis is available in every tier through OpenAI, Claude, or Ollama with customer-provided API keys. Pro adds offline-first NVD CVE matching and risk scoring. Enterprise adds cloud auditors and evidence packs for listed frameworks including SOC 2, HIPAA, PCI DSS v4.0.1, and ISO/IEC 27001:2022. The maker says scan data, findings, and reports remain on the customer’s machine, and license checks can work offline. Community costs nothing; Pro costs $39 a year or $49 a month. Enterprise plans cost $2,000 a year, $5,000 a year, or $10,000 a year. It supports Windows, macOS, and Linux.