Computer forensics specialists analyze digital evidence from computers and networks. As technology advances and more crimes are committed using computers and the internet, the demand for these specialists will increase greatly. Specialists must have knowledge of computer hardware, software, operating systems, and the law. They carefully retrieve and examine files, data, and activity logs to gather evidence. A computer science degree plus additional training and certifications are typically required to become a specialist, and salaries can exceed $125,000 with experience.