Best Free Breach and Attack Simulation (BAS) Software of 2025

Defendify is an award-winning, All-In-One Cybersecurity® SaaS platform developed specifically for organizations with growing security needs. Defendify is designed to streamline multiple layers of cybersecurity through a single platform, supported by expert guidance: ● Detection & Response: Contain cyberattacks with 24/7 active monitoring and containment by cybersecurity experts. ● Policies & Training: Promote cybersecurity awareness through ongoing phishing simulations, training and education, and reinforced security policies. ● Assessments & Testing: Uncover vulnerabilities proactively through ongoing assessments, testing, and scanning across networks, endpoints, mobile devices, email and other cloud apps. Defendify: 3 layers, 13 modules, 1 solution; one All-In-One Cybersecurity® subscription.

Validato is a continuous security verification platform that uses safe in production Breach and Attack Simulations. This simulates offensive cyber attacks to validate security control configurations.

Chariot is the first offensive security platform that can comprehensively catalog Internet-facing assets, contextualize their value, identify and validate real compromise paths, test your detection response program, and generate policy-as code rules to prevent future exposures. We are a concierge managed service and work as an extension to your team to help reduce the burden of daily blocking and tackling. Your account is assigned to dedicated offensive security experts who will assist you throughout the entire attack lifecycle. Before you submit a ticket to your team, we remove the noise by verifying that every risk is accurate and important. Our core value is to only signal when it matters and to guarantee zero false positives. Partner Praetorian to get the upper hand over attackers Our combination of security expertise and technology automation allows us to put you back on your offensive.

OpenBAS, an open-source breach and attack simulation platform created by Filigran, is designed to assist organizations in planning, scheduling, and executing campaigns and tests that simulate cyber adversaries. This platform allows users to generate dynamic attack scenarios, which helps in providing accurate, timely, and effective responses to real-world cyber incidents. With its popularity reflected in over 800 stars on GitHub and the inclusion of more than 10 injectors, OpenBAS supports highly customizable simulations that cater to the specific needs of various industries, addressing both technical and human elements of security posture. Additionally, it incorporates threat intelligence from OpenCTI, facilitating dynamic adjustments based on the most current cyber threat data, employed techniques, and relevant adversary behaviors. OpenBAS also enhances team evaluations and technology assessments related to genuine cyber threats while promoting collaborative feedback on scenarios, all of which contribute to detailed analyses for an in-depth review process. Overall, this platform stands out for its ability to adapt to an ever-evolving threat landscape, making it an essential tool for organizations committed to strengthening their cybersecurity measures.

To uphold a robust security and compliance framework, it is essential to have a thorough understanding of your entire network landscape. Discover how to achieve immediate visibility and governance over your intricate hybrid network setup, along with its policies and associated risks. Security Manager offers centralized, real-time oversight, control, and administration of network security devices across hybrid cloud settings, all from a unified interface. This solution also features automated compliance assessments that assist in confirming adherence to configuration standards and notify you of any violations that arise. Whether you require ready-made audit reports or customizable options tailored to your specific needs, Security Manager streamlines the policy configuration process, ensuring you are well-prepared for any regulatory or internal compliance audits. In doing so, it significantly enhances your ability to respond promptly to compliance challenges.