Basis Technology is offering a free course on the digital forensics software Autopsy, that typically 500$ worth.
You can find it here: https://www.autopsy.com/support/training/covid-19-free-autopsy-training/?fbclid=IwAR0YdmIiIe3sDQUP3sqvka__vVy6MwM3uVmcQYqZ4BkjNlhBhb7oD2GazSs