Sera Brynn is a cybersecurity and compliance services firm founded in 2011 by veterans of the National Intelligence and Military Information Security communities, headquartered in Southeastern Virginia. The company provides a broad range of cybersecurity assessment, advisory, and compliance services to clients across the United States and internationally, including markets in Europe and Asia. The firm holds several notable accreditations and certifications: it is an ISO/IEC 17020 Accredited Inspection Body by A2LA, an Authorized C3PAO (Certified Third-Party Assessment Organization) under the CMMC (Cybersecurity Maturity Model Certification) framework, an accredited FedRAMP Third Party Assessment Organization (3PAO), and a registered GovRAMP 3PAO. It is also a PCI Qualified Security Assessor (QSA), making it one of a small number of organizations worldwide to hold both PCI QSA and FedRAMP 3PAO designations simultaneously. Sera Brynn's service areas include penetration testing, incident response, risk and vulnerability assessments, DFARS 252.204-7012 compliance support for the Defense Industrial Base (DIB), FedRAMP and GovRAMP security assessments, CMMC assessments, and PCI compliance. The company holds a GSA IT Schedule 70 contract with HACS SIN codes covering penetration testing, incident response, and risk and vulnerability assessments. The firm serves a diverse client base that includes financial institutions, insurance providers, national universities, federal government cloud service providers, and defense contractors. Since 2022, Sera Brynn has operated under new leadership while continuing to expand its compliance and assessment service offerings.