Coldsurge is a London-based offensive cyber-security consultancy dedicated to helping organizations identify and address vulnerabilities before adversaries can exploit them. Leveraging relentless research, refinement, and testing of the latest attack techniques, the firm brings extensive experience from high-security sectors including telecommunications, national infrastructure, finance, and private clients. Their services encompass affordable vulnerability assessments starting at £30 per IP address, independent advisory consulting priced at £1300 per day, and various penetration testing packages tailored to diverse needs. These include Assurance Core for startups and product reviews, Assurance Plus for comprehensive annual tests, and Assurance Regular for ongoing monthly assessments, all employing expert specialists and industry-leading tools to ensure optimal protection and compliance.