Tidal Cyber Raises $10M in Series A Funding to Advance Threat-Led Defense

RESTON, Va., Sept. 3, 2025 /PRNewswire/ -- Tidal Cyber, a Virginia-based cybersecurity provider pioneering Threat-Led Defense, has raised $10 million in Series A Funding. The investment was led by Bright Pixel Capital, with participation from existing Tidal Cyber investors. This funding will accelerate product innovation and fuel company growth, advancing Tidal Cyber's mission to help organizations measure and improve the effectiveness of their security stack against real-world threats and adversary behavior.

Tidal Cyber was co-founded by three former MITRE experts, each with over 25 years of cybersecurity experience in defensive security and launching startups.

Rick Gordon, CEO & Co-Founder

Rick brings decades of experience from MITRE, where he helped scale the Center for Threat-Informed Defense, ATT&CK^® Evaluations, and MITRE ATT&CK Defender (MAD) Training. He was Founding Managing Partner at MACH37 Cyber Accelerator, launching companies like Huntress, Adlumin, and Black Kite. Earlier roles include COO of Lookingglass Cyber Solutions, investment banker at Bear Stearns, and U.S. Navy submarine officer.

Richard Struse, CTO & Co-Founder

A globally recognized cyber innovator, Rich co-founded MITRE's Center for Threat-Informed Defense and created the STIX and TAXII threat intelligence sharing standards. He also served as CTO of DHS's National Cybersecurity and Communications Integration Center and co-founded VOXEM, Inc.

Frank Duff, Chief Innovation Officer & Co-Founder

Frank founded MITRE's ATT&CK^® Evaluations program and is a recognized leader in threat-informed defense. He brings deep expertise in adversary emulation, purple teaming, and cyber operations for U.S. government agencies. He also led efforts to accelerate public-private tech adoption.

"We see strong traction and a need for threat-led defense as more organizations move beyond assumptions, CVE-counting, and checkbox compliance," said Rick Gordon, CEO of Tidal Cyber. "Tidal Cyber flips the security model putting real adversary behavior at the center of defense to enable a proactive, continuous, threat-led defense."

"Tidal Cyber brings a new level of clarity and precision to security strategy by focusing on adversary behavior and how they operate," said Marcos Osório, Investment Director at Bright Pixel Capital. "Their platform exposes true coverage exposures and helps organizations defend against the threats that really matter. We're proud to support their growth as they scale their product and bring Threat-Led Defense to the forefront of cybersecurity."

Investors

Bright Pixel Capital, the technology investment arm of multinational group Sonae, led the round. With deep experience across cybersecurity, infrastructure software, and emerging tech, Bright Pixel brings global reach and operational expertise to help scale transformative companies.

Existing Tidal Cyber investors include USAA, Squadra, Capital One, Veteran Ventures, Task Force X, and Ultratech.

Tidal Cyber is committed to a long-term vision to build a comprehensive CTI and adversary behavior-driven platform that changes the way organizations envision their security strategy. By operationalizing ATT&CK and putting Threat-Led Defense at the core of security operations, organizations move from simply managing intel to a threat-informed and proactive cyber defense that demonstrates the value and impact of their investments.

About Tidal Cyber

Tidal Cyber was founded in 2022 to make Threat-Led Defense practical and sustainable for all enterprises. Our platform empowers defenders with independent tools and services that align security efforts to the threats that actually matter leveraging the MITRE ATT&CK framework without vendor bias.

About Bright Pixel

Bright Pixel Capital is the technology investment arm of the multinational group Sonae. With special focus on cybersecurity, infrastructure software, retail technologies, business applications, and emerging tech, Bright Pixel has a portfolio of over 60 companies across early to growth stages. The firm offers strategic expertise and a global footprint to help startups scale and succeed.

SOURCE Tidal Cyber