Attic FIXER vs C2SEC Extended Security Posture Management (XSPM): Side-by-Side Comparison (2026)

Attic FIXER: Automated Microsoft 365 security configuration management and remediation tool. built by Attic Security. Core capabilities include Daily automated security checks of 100+ Microsoft 365 configuration settings, One-click remediation of security misconfigurations with administrator approval, Real-time detection and alerting for fake Microsoft 365 login pages..

C2SEC Extended Security Posture Management (XSPM): Unified platform consolidating EASM, CSPM, SSPM, and supply chain security. built by C2SEC. Core capabilities include External attack surface management, Open source intelligence monitoring, Automated penetration testing..

Both serve the SSPM market but differ in approach, feature depth, and target audience.

Attic FIXER differentiates with Daily automated security checks of 100+ Microsoft 365 configuration settings, One-click remediation of security misconfigurations with administrator approval, Real-time detection and alerting for fake Microsoft 365 login pages. C2SEC Extended Security Posture Management (XSPM) differentiates with External attack surface management, Open source intelligence monitoring, Automated penetration testing.

Attic FIXER is developed by Attic Security. C2SEC Extended Security Posture Management (XSPM) is developed by C2SEC. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Attic FIXER and C2SEC Extended Security Posture Management (XSPM) serve similar SSPM use cases. Review the feature comparison above to determine which fits your requirements.