Unit 221B provides penetration testing and red team services through their Offensive Operations department. The company offers security assessment and compliance solutions for organizations ranging from early-stage startups to Fortune 500 companies across all industries. The service portfolio includes penetration testing, red team operations, purple team exercises, source code reviews, and product assessments. Testing services cover web and mobile applications, hardware, internal and external network infrastructure, Open-Source Intelligence (OSINT) assessments, physical security assessments, and social engineering. All penetration tests include detailed reports with technical information and high-level summaries to help decision-makers interpret results and take action. The penetration testing services and reports are designed to meet audit compliance requirements for certifications such as SOC II and ISO 27001. The team uses hands-on attacker techniques based on decades of cybersecurity experience to conduct thorough security assessments. Related services include purple team operations and purple team training programs.