Best AWS Security Toolbox (AST) Alternatives & Competitors in 2026

s3tk

A security toolkit for Amazon S3 that provides bucket scanning, policy validation, ACL management, and encryption features to identify and remediate S3 security vulnerabilities.

Cloudlytics Cloud-Driven Security

Cloud security platform for compliance, event analytics, and asset monitoring

Plexicus Cloud Security Posture Management

CSPM platform for detecting misconfigurations & compliance gaps across clouds

Bitdefender GravityZone CSPM+

Cloud security posture mgmt with CIEM, compliance mapping & threat detection

Aikido Cloud Security Posture Management (CSPM)

CSPM tool for AWS, Azure, and GCP with misconfig detection and compliance

Aqua Real-Time CSPM

Real-time CSPM for multi-cloud security risk identification and remediation

Cyscale Cloud Security Posture Management

CSPM tool for multi-cloud misconfiguration detection and compliance monitoring

Entersoft Managed Cloud Security

Managed cloud security services for AWS, Azure, and GCP environments

Fluid Attacks CSPM

CSPM tool for continuous vulnerability scanning across cloud providers

Sec1 CloudSight

AI-driven CSPM for multi-cloud risk detection and compliance monitoring

AlgoSec Cloud security posture management (CSPM)

CSPM solution for multi-cloud security monitoring and misconfiguration detection

Cyble Cloud Security Posture Management (CSPM)

CSPM solution for multi-cloud visibility, compliance, and misconfiguration mgmt

Centilytics Security and Health

Multi-cloud security audit and health monitoring platform with compliance mgmt

CoreStack Assessments

AI-driven multi-cloud assessment platform for security & compliance evaluation

Blast Platform

Preemptive cloud defense platform using native controls for multi-cloud

CredShields Cloud Security Assessment

Cloud security audit service for AWS, Azure, and GCP infrastructure

Carbide Cloud Monitoring

Continuous cloud security monitoring & compliance for AWS and Azure.

Cavirin SaaS

Managed multi-cloud security posture mgmt SaaS for AWS, GCP, and Azure.

Cavirin Multi-Tenant Security Solution

Multi-tenant security & compliance mgmt platform for hybrid cloud.

Kloudle

Cloud security scanner that finds & fixes 383+ misconfigs across major cloud providers.

Vulneri CSPM

Agentless CSPM for AWS, Azure, GCP & OCI with continuous config monitoring.

GovernSafe

Multi-cloud governance, compliance, and security platform with AI pentesting.

ImmuniWeb Cloud Security Test

Free cloud storage security scanner for AWS, Azure, and GCP environments

Cloud Security Suite (cs-suite)

A command-line security auditing tool that performs Lynis-based security assessments across AWS, GCP, Azure, and DigitalOcean cloud platforms.

CloudSploit by Aqua

CloudSploit by Aqua is an open-source multi-cloud security scanning tool that detects security risks and compliance issues across AWS, Azure, GCP, OCI, and GitHub platforms.

Dow Jones Hammer

A multi-account AWS security tool that identifies misconfigurations, provides real-time reporting, and performs automated remediation to establish secure cloud guardrails.

CloudMapper

CloudMapper is an AWS security analysis tool that audits configurations, identifies misconfigurations, analyzes IAM policies, finds unused resources, and provides network visualization capabilities.

Forseti Security

An archived community-driven collection of open source cloud security tools that provided monitoring and compliance capabilities for cloud infrastructure.

AWS Scout2

AWS Scout2 is a security assessment tool that uses the AWS API to gather configuration data and automatically identify security risks in AWS environments.

Scout Suite

Scout Suite is an open source multi-cloud security auditing tool that gathers configuration data via cloud provider APIs to identify risks and provide visibility into cloud attack surfaces.

Selefra

An open-source policy-as-code platform that analyzes multi-cloud and SaaS environments using SQL and YAML policies with GPT integration for security, cost, and architecture assessments.

Prowler

Prowler is an open source multi-cloud security assessment tool that performs audits, compliance checks, and security evaluations across AWS, Azure, GCP, and Kubernetes environments.

rpCheckup

rpCheckup is an AWS resource policy security analysis tool that identifies public, external, intra-organizational, and private resource access patterns across AWS accounts.

Antiope AWS Inventory & Compliance Framework

An open-source framework that inventories and manages AWS resources across multiple accounts by collecting data via Cross Account Assume Roles and storing it in a centralized S3 bucket for analysis.

Metabadger

Metabadger automates the upgrade of AWS EC2 instances to use the more secure Instance Metadata Service v2 (IMDSv2) to prevent SSRF attacks and reduce attack surface.

Security Monkey

Security Monkey monitors AWS, GCP, and OpenStack environments for policy changes and insecure configurations, providing historical tracking and alerting capabilities through a centralized interface.

aws-security-viz

A Ruby-based tool that creates visual diagrams of AWS EC2 security group configurations to help understand network access patterns and security relationships.

aws-fast-fixes

A collection of automation scripts that quickly enable essential AWS security and compliance features that are not activated by default in AWS accounts.

AWS Security Architectures

A comprehensive AWS security automation toolkit that provides event monitoring, data protection, resource management, and security configuration validation across AWS environments.

iam-lint

A GitHub action that lints AWS IAM policy documents to identify security issues and misconfigurations with configurable severity levels and custom rules.

Cloud Inquisitor

Cloud Inquisitor is an AWS security tool that monitors resource ownership, detects domain hijacking, verifies security services, and manages IAM policies across multiple accounts.

aws-lint-iam-policies

A command-line tool that performs automated IAM policy security linting across AWS accounts and organizations using AWS Access Analyzer validation.

AWS Recon

A multi-threaded Ruby tool for comprehensive AWS security inventory collection that gathers detailed resource attributes, metadata, and policy information across AWS environments.

CloudTrail Partitioner

CloudTrail Partitioner automates the creation and management of partitioned Athena tables for AWS CloudTrail logs with nightly partition updates.

AWS Log

A command-line tool that shows configuration history and changes of AWS resources using AWS Config service.

ElectricEye

ElectricEye is a multi-cloud Python CLI tool that performs security posture management and attack surface monitoring across cloud service providers and SaaS platforms with over 1000 security checks mapped to 20+ compliance frameworks.