Many people nowadays would like to work from home or from ot

Many people nowadays would like to work from home or from other remote sites, like a courthouse. Law offices can use software that allows remote access to case information on firm computers. What are some possible encryption methods or other solutions to prevent possible theft or disclosure of confidential data? What are the benefits, costs, pros and cons of the possible solutions? Is it better to require all employees of a law office to work on site at the office?