About AXIS

Security was built to detect. We built it to prove.

AXIS Defense operates at the intersection of forensic investigation, offensive security, and AI-orchestrated validation.

We do not simulate threats for reporting. We validate real exposure, produce technical proof, and drive execution where it matters.

Built in the field.

Not in theory.

AXIS Defense is a cybersecurity company with real-world operations across Brazil, Europe, and the United States.

We lead security validation and execution in complex environments, including high-traffic platforms, multinational enterprises, and regulated industries.

Our model turns forensic investigations, attack simulation, and remediation into a structured, scalable, evidence-driven system.

AXIS / Continuous Forensic Validation & Response.

A new category

AXIS is defining a new layer in cybersecurity:

Existing vendors detect signals. Consultants investigate after impact.

AXIS operates in between: continuously validating what is exploitable, proving it technically, and executing remediation with discipline.

Founding Team

Built by operators

Chief Executive Officer & Partner

Luis Otavio de Arruda Zeni

Luis Otavio de Arruda Zeni is Chief Executive Officer & Partner at AXIS Defense. He holds degrees in Business Administration (FAAP), Law (FMU), and Photography (Panamericana School of Art and Design), all earned in São Paulo. Over more than two decades, he built a career in tax structuring and M&A across Citi, PwC, WFARIA Advocacia, where he served as Partner and International Tax Counsel, and Goldman Sachs, where he led the Tax Planning and Compliance division for the Latin America operation, with direct responsibility over consolidated income tax accounting, Sarbanes-Oxley compliance, FIN48 and SOP98 reserves, and deferred tax asset analysis. In 2013, he founded ARMAZENI, a Brazilian leader in physical and digital records management, today safeguarding over 500 million confidential documents on behalf of domestic and multinational clients. A professional trader on the B3 stock exchange since 2018, he is also the founder of MULT!PLiQUE, a live day trading floor and proprietary trading desk based in São Paulo. As CEO of AXIS Defense, he leads the company’s expansion across Brazil, Latin America, and the United States.

Founder · CISO/CIO

Fabio Viceli

Fabio Viceli is a cybersecurity specialist, ethical hacker, and Founder · CISO/CIO at AXIS Defense. A member of the APDADOS Security Committee, he brings more than 20 years of experience across offensive security, incident response, digital forensics, and real exposure validation in cloud, APIs, identity, and abuse surfaces. Before AXIS, he led SECOPS, hardening, and risk validation programs in high criticality environments, delivering technical outcomes for executives, CISOs, and operations teams, prioritizing exploitability, reproducible evidence, and clear remediation. He created Axis-Orion-AI, an agentic system that scales and automates AI-Orchestrated Forensic Cybersecurity from forensic collection through prioritization and execution. He also built the evidence first methodology that drives AXIS Defense. His certified background aligns what the market usually splits apart: Cisco Ethical Hacker and the IBSEC analyst and ethical hacker track on offense and analysis; IBM Security Operations Center in Practice and Fortinet Certified Associate Cybersecurity on defensive operations; lead ISO/IEC 27001 auditor, ISO/IEC 20000, and LGPD training when the conversation turns to risk and compliance. Microsoft MCSE and WithSecure (F-Secure) certification anchor his read on networks, infrastructure, and hybrid environments.

Founder · Governance & Risk

Bruno Rissio

Bruno Rissio is an information technology professional and Founder · Governance & Risk at AXIS Defense. As Head of IT&C and DPO, a Protheus specialist in information security and digital transformation, he brings more than 17 years structuring technology teams, deploying critical systems, and aligning IT with business strategy. He has led digital transformation projects, BackOffice rollouts, governance policies, risk management, LGPD programs, and operational cost optimization, improving efficiency, control, and security. He works strategically and close to operations, leading multidisciplinary teams, budgets, vendors, SLAs, and KPIs so technology supports growth, profitability, and continuity. His academic background combines an MBA in Artificial Intelligence and Big Data, postgraduate studies in Forensic Computing and Digital Forensics, Cyber Defense, Network Engineering and Telecommunications, an MBA in IT Management, and strategic cost management and planning.

Partner · Legal & Strategic Litigation Counsel

Lamartine Batistela Filho

Lamartine Batistela Filho is an attorney who earned his law degree from the Methodist University of Piracicaba (UNIMEP) in 2008 and brings 19 years of practice. He holds postgraduate degrees in Criminal Law, Civil Law, and Civil Procedure, with specialized work in civil liability, legal risk analysis, and litigation strategy. He taught Civil Procedure for 10 years and served as Financial Director of the OAB Araras chapter from 2016 to 2018, combining academic, institutional, and hands-on experience in complex legal matters. Over his career, he has handled civil law, civil procedure, contracts, family and succession, business advisory, and labor matters, focusing on dispute prevention, protection of assets, and legally sound solutions. At AXIS Defense, he serves as legal and strategic litigation counsel, connecting legal analysis with governance, information security, digital investigations, digital evidence, and incident response. His work helps turn facts, documents, technical evidence, and corporate risks into clear, defensible legal strategies for secure decision-making.

AXIS DEFENSE

This is not security theater.

AXIS exists for organizations that need clarity, speed, and technical truth.

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