List of the Top 5 Free Breach and Attack Simulation (BAS) Software in 2025

Defendify is a highly acclaimed, comprehensive Cybersecurity® SaaS platform tailored for organizations that are experiencing increasing security demands. This innovative platform is crafted to integrate various facets of cybersecurity into a unified solution, all backed by professional support. ● Detection & Response: Mitigate cyber threats with round-the-clock monitoring and intervention from experienced cybersecurity professionals. ● Policies & Training: Enhance cybersecurity awareness by implementing consistent phishing drills, educational training sessions, and stringent security protocols. ● Assessments & Testing: Identify and address vulnerabilities in a proactive manner through regular assessments, testing, and scanning of networks, endpoints, mobile devices, emails, and other cloud applications. Defendify offers a robust solution comprising three layers and thirteen modules within a single subscription for comprehensive cybersecurity management. Organizations can rest assured knowing they have a complete cybersecurity strategy in place, enhancing their overall resilience against potential threats.

Validato is a platform dedicated to ongoing security verification, employing safe Breach and Attack Simulations that can be conducted in a production environment. By mimicking offensive cyber attacks, it effectively assesses and confirms the configurations of security controls. This approach not only enhances security measures but also ensures that organizations can proactively identify and address vulnerabilities in real-time.

Chariot stands out as the premier offensive security platform designed to thoroughly catalog assets that are visible on the Internet, assess their significance, pinpoint and validate genuine pathways of compromise, evaluate your detection and response strategies, and create policy-as-code rules to avert future vulnerabilities. Operating as a concierge managed service, we function as an extension of your team, alleviating the daily challenges associated with security management. Each account is supported by dedicated offensive security specialists who guide you through every stage of the attack lifecycle, ensuring that you have the right insights at the right time. Before you escalate any concerns to your internal team, we filter out the noise by confirming that each identified risk is both accurate and significant. Our fundamental commitment is to provide alerts only when it truly matters, guaranteeing an absence of false positives. By collaborating with Praetorian, you can gain a strategic advantage over potential attackers. Our unique blend of security expertise and automated technology empowers you to reclaim your offensive stance in the battle against cyber threats, ensuring you are always a step ahead.

OpenBAS, an innovative open-source breach and attack simulation platform developed by Filigran, is tailored to help organizations strategize, plan, and carry out campaigns that mimic cyber adversaries. This versatile platform empowers users to create dynamic attack scenarios, which ultimately enhances their ability to respond accurately and effectively to actual cyber incidents. With over 800 stars on GitHub and more than 10 injectors available, OpenBAS offers highly customizable simulations designed to meet the distinct requirements of different industries while addressing both the technical and human aspects of security. The integration of threat intelligence from OpenCTI allows for real-time adjustments based on the latest cyber threat information, employed tactics, and relevant adversary activities. Furthermore, OpenBAS improves team evaluations and technology assessments about real-world cyber threats, fostering collaborative feedback on various scenarios, which contributes to comprehensive analyses for thorough reviews. By continuously evolving to keep pace with the shifting threat landscape, OpenBAS emerges as an indispensable asset for organizations dedicated to bolstering their cybersecurity frameworks. Its adaptability not only enhances security practices but also empowers teams to stay ahead of emerging threats.

To maintain a strong security and compliance framework, it is crucial to have a comprehensive understanding of your entire network environment. Explore ways to gain immediate insight and governance over your complex hybrid network architecture, along with its policies and related risks. Security Manager provides centralized, real-time monitoring, control, and management of network security devices across hybrid cloud environments, all accessible through a single interface. This solution also includes automated compliance evaluations that help verify conformity to configuration standards and alert you to any violations that may occur. Whether you need ready-made audit reports or tailored options that cater to your specific requirements, Security Manager simplifies the policy configuration process, ensuring you are thoroughly equipped for any regulatory or internal compliance audits. Additionally, it enhances your capability to swiftly tackle any compliance challenges that may arise in the future, thereby reinforcing your overall security posture.