Our Story
Auxiris (awks-EYE-ris) means auxiliary vision, and it was born from a simple observation: the best cybersecurity experts don't just know technology—they solve real problems by understanding human nature, business operations, regulatory frameworks, and the mindsets of adversaries and defenders. And, they keep their egos in check.
At Auxiris, we strive to bring calm and clarity to complexity, offering experienced and defensible answers that others may miss—helping you navigate evolving digital risks with confidence.
Leadership

Marc Brawner
Founder & Principal
Marc is a highly versatile leader with over 25 years of global technology, cybersecurity, and business experience. Most recently serving as Managing Director and Global Head of Managed Services at Kroll, he was a pioneer in delivering remote incident response, investigations, and remediation of threats at scale.
Marc's incident response and forensics work has uncovered supply-chain, insider threat, and nation-state attacks; he has advised agencies including the FTC, FBI and DOJ. Marc has presented to boards of directors, led executive tabletop exercises, and supported sensitive matters involving public firms and key executives. Marc has written expert reports, been deposed in high-profile matters, and testified in federal court to support the conviction of foreign cybercriminals.
As a technologist, Marc has led vulnerability, compliance, and vendor risk management programs, and implemented and operated myriad technology and security platforms and partnerships. He is known for his calm and level-headed presence under pressure, with an unassuming yet tenacious ability to solve difficult problems with accuracy and operational excellence, while continuously learning and adapting to new technologies and methods.
Having built and led high-performing teams spanning the US, Europe, and APAC, Marc offers a rare blend of technology acuity and business savvy that enables him to work effectively with both technical and executive stakeholders, while understanding the varying needs of organizations across verticals, sizes, and geographies. At Auxiris, Marc guides the firm's vision and operations, while extending his expertise to key clients.