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AI Cyber Challenge (AIxCC) is a competition from DARPA that awards prize funding to teams developing AI systems to secure critical software infrastructure. Launched in 2023 as a two-year competition, AIxCC offers a cumulative $29. 5 million in prizes, including $7 million specifically designated for small businesses.
Competitors design novel AI systems to detect and remediate security vulnerabilities in open-source software that powers critical infrastructure such as transportation, water systems, emergency services, and healthcare. The competition concludes at DEF CON, with a top prize of $4 million. Teams with expertise in AI and cybersecurity are eligible to compete.
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AIxCC: AI Cyber Challenge | DARPA Department of War organization. AIxCC: AI Cyber Challenge AIxCC: AI Cyber Challenge Launched in 2023, the Artificial Intelligence Cyber Challenge (AIxCC) is a two-year competition that brings together the best and brightest in AI and cybersecurity to safeguard the software critical to all Americans.
AIxCC will ask competitors to design novel AI systems to secure this critical code and will award a cumulative $29. 5 million in prizes to teams with the best systems, including $7 million in prizes to small businesses to empower entrepreneurial innovation during the initial phase of AIxCC.
AIxCC will unite top AI companies with DARPA and ARPA-H to make their cutting-edge technology and expertise available for challenge competitors and facilitating the development of state-of-the-art cybersecurity systems.
AIxCC is collaborating closely with the open-source community, to guide teams in creating AI systems capable of addressing vital cybersecurity issues, such as the security of critical infrastructure and software supply chains. Most software, and thus most of the code needing protection, is open-source software, often developed by community-driven volunteers.
This software runs everything from transportation to water and wastewater systems, emergency services, and energy sources. At the center of this infrastructure are the health care and public health sectors, which are uniquely sensitive to disruptions in these areas. AIxCC competitions will occur at one of the world’s top cybersecurity conferences, DEF CON.
The semifinal competition will be at DEF CON 2024, and the final competition at DEF CON 2025, where the top prize will be $4 million. Visit the official website at AICyberChallenge. com for information and resources about the competition.
Information Innovation Office DARPA’s AI Cyber Challenge releases scoring guide for $8. 5 million final competition DARPA AI Cyber Challenge Aims to Secure Nation’s Most Critical Software DARPA AI Cyber Challenge Proves Promise of AI-Driven Cybersecurity
Based on current listing details, eligibility includes: Teams with expertise in AI and cybersecurity; includes $7 million in prizes specifically for small businesses. Applicants should confirm final requirements in the official notice before submission.
Current published award information indicates Funding amounts vary based on project scope and sponsor guidance. Always verify allowable costs, matching requirements, and funding caps directly in the sponsor documentation.
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SBIR/STTR Programs (Defense Health Agency) is sponsored by Department of Defense (DOD) - Defense Health Agency (DHA). The DHA SBIR/STTR Programs fund biomedical and health-focused technologies that enhance medical readiness, clinical care delivery, force health protection, operational medicine, and military healthcare modernization. Priority research domains include digital health systems, AI-enabled triage, and physiological analytics.
Broad Agency Announcement (BAA) Call N0001425SBC03 For Office of Naval Research (ONR) Global Opportunity: GlobalX Innovation Joint Challenge: AI for Advancing Maritime Security is sponsored by Office of Naval Research (ONR) Global. This BAA Call seeks proposals for the GlobalX Innovation Joint Challenge: AI for Advancing Maritime Security. It funds the development of artificial intelligence solutions for maritime security applications, focusing on innovative AI algorithms for challenging maritime scene perception scenarios using real-world or synthetic data from UxV platforms. The program aims to accelerate the traditional knowledge generation cycle, leading to revolutionary dual-use capability for the U.S. Navy and Marine Corps and the commercial marketplace. White papers are highly encouraged and due May 23, 2025, with full proposals due June 23, 2025.
Operation Stonegarden (OPSG) is a federal grant program administered by FEMA through the Office of the Governor's Public Safety Office that funds enhanced border security cooperation among Customs and Border Protection (CBP), U.S. Border Patrol, and state, local, tribal, and territorial law enforcement agencies. The program supports joint operations to secure land and water border routes, improve intelligence sharing, and expand 287(g) screening operations within correctional facilities. In 2025, the national priority is Supporting Border Crisis Response and Enforcement, covering training, operational coordination, and risk management. Eligible expenses include operational overtime costs, staffing support for screening activities, and training programs in immigration law, civil rights protections, and 287(g) procedures.
DARPA-PS-26-04, published February 25, 2026 by the Tactical Technology Office, restructures the contract around three phases — Phase 0 Backbone (6 months), Phase 1 Base (12 months), Phase 2 Option (18 months) — and culminates in an instrumented flight-test campaign. The solicitation is not really about T&E. It is about the digital-twin and uncertainty-quantification middleware DoD needs for any AI-enabled combat system.
Read articleDARPA's Mathematics of Boosting Agentic Communication program — DSO-led, \$2M Phase I cap, abstracts already in, full proposals due June 16, 2026 — is the first federal initiative to treat multi-agent AI communication as a mathematical object rather than a product feature. The Mendeleev-rediscovery benchmark in the solicitation is the tell.
Read articleDARPA BTO pre-released four FY26 SBIR/STTR topics on April 30, 2026, with proposals due June 3. Two topics — SWiFT and EXPOSITION — offer Direct-to-Phase-II awards up to $1.5M, bypassing the standard Phase I gate. Here is what each topic is actually solving, why the DP2 structure matters, and how small biotech, surgical robotics, and battlefield-medicine teams should decide whether to compete.
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