Feisty Fox Security is a boutique security consultancy offering offensive security assessments and advisory services to organizations operating in sensitive environments, including government, military, and intelligence sectors, as well as commercial enterprises. The firm structures its engagements around three core pillars: - Testing: Expert-led vulnerability assessments designed to identify weaknesses in existing systems and infrastructure. - Simulation: Adversary emulation and red team operations modeled on military doctrine, testing people, processes, and technology against realistic threat scenarios. - Discovery: OSINT-based exposure mapping and attack surface analysis to identify risks from an external attacker's perspective. Specific service offerings include threat actor emulation, OSINT and exposure mapping, counter-intelligence operations, and zero-day assessments. The firm emphasizes a background rooted in government and intelligence community operations, citing 40 years of collective experience among its practitioners. It positions itself as a discreet partner, explicitly declining to publish client names or case studies. Engagements are described as bespoke, tailored to each client's actual risk profile rather than compliance-driven checklists. Target clients include organizations where confidentiality and operational sensitivity are priorities, such as those in government, defense, and high-stakes commercial sectors. The firm accepts contact via standard email as well as Signal for secure communications.