Security experts are professionals who specialize in protecting information and systems from unauthorized access, theft, or damage. They assess vulnerabilities in computer networks, software, and physical security measures. Their work often involves implementing security protocols, conducting risk assessments, and responding to security breaches. These experts may work in various fields, including cybersecurity, physical security, and information technology. They often hold certifications such as Certified Information Systems Security Professional (CISSP) or Certified Ethical Hacker (CEH). Their expertise is crucial for organizations to safeguard sensitive data and maintain trust with clients and stakeholders.