Top 10 Best Cloud Security Posture Management (CSPM) Tools in 2026

CSPM finds the cloud misconfigurations that cause most cloud breaches public buckets, permissive IAM, exposed databases continuously, across accounts and providers. Wiz still sets the pace on agentless visibility and attack-path context, Microsoft Defender for Cloud wins Azure-centric economics, and the market’s biggest story is corporate: Google’s agreement to acquire Wiz for approximately $32 billion, the largest deal in security history. What that means for shortlists, below. Google announced its agreement to acquire Wiz for roughly $32 billion in March 2025, with the deal proceeding through regulatory review toward closing. Wiz continues to operate and sell independently in the meantime, with stated intentions of multicloud neutrality under Google Cloud while sharing threat intelligence feeds. What buyers should do: nothing panicked…