We've been reporting the story about how hackers threatened to release data from the Los Angeles Unified School District unless they paid a ransom to a criminal syndicate.

The school district refused and that private information has been released.

To find out how hackers demand ransom to prevent the release of private information, KCBS Radio news anchors Patti Reising and Bret Burkhart turn to expert Nick Merril, who is a Research Fellow at the Center for Long-Term Cybersecurity at UC Berkeley.