Alternatives to Microsoft Defender for SQL

OSSEC

OSSEC suits teams that need host and network-component monitoring across multiple operating systems, including log, file-integrity, and policy checks.

PA File Sight

It suits organizations that need file access auditing, ransomware monitoring, or data loss controls on their own servers.

Elastic Security

Elastic Security suits teams seeking security analytics alongside endpoint and cloud protections, with deployment options on Elastic Cloud or self-managed infrastructure.

FileAudit suits organisations that need to monitor and report file access on Windows servers, with optional audits of supported cloud services.

Wazuh may suit individuals and organizations of different sizes seeking endpoint, cloud, and network security monitoring.

It may suit organizations that need file integrity monitoring, event notifications, or comparisons of monitored files across computers.

It suits organizations managing security and compliance across cloud and datacenter environments, including those with legacy systems or operational technology.

KICS is aimed at industrial enterprises in sectors such as oil and gas, power and utilities, metals and mining, and manufacturing.

Paessler PRTG Network Monitor

Paessler describes PRTG as suited to small and medium IT infrastructures, with features for OT and IoT environments.

Sysdig Secure

Sysdig Secure suits organizations seeking protection for cloud-native workloads across cloud, container, Kubernetes, host, and serverless environments.

It suits organizations that need to monitor infrastructure changes, maintain compliance records, or restore earlier configurations.

CrowdStrike Falcon Surface

It suits organizations that need continuous exposure visibility and prioritized remediation across varied environments.

FIM

FIM suits teams securing endpoints with on-premises monitoring across Linux, Windows, or macOS.

It suits administrators who want command-line, on-premises integrity checks with policy-controlled file attributes and signed data.

It suits WordPress site owners who need firewall, scanning, login protection, and centralized management.

It suits administrators auditing Active Directory and related listed identity and infrastructure platforms in an on-premises deployment.