Nova Scotia's Department of Education is offering students, parents and staff some online protection after a cybersecurity breach earlier this year.

But an expert says those affected will have to remain on guard to protect their personal information.

The Cape Breton-Victoria region was the only school district in the province to be hacked during a North America-wide data breach of the U.S.-based PowerSchool service.

Students and former students in Cape Breton were sent letters this week, saying th…