Once your data is stolen, you can't get it back. But there are steps you can take
If you visited a hospital in Sarnia, Ont., in the last 30 years, everything from your name to your reason for visiting the hospital, and even — for some — their social insurance number might now be found in the darkest corners of the internet.
![Once your data is stolen, you can't get it back. But there are steps you can take](https://i.cbc.ca/1.6961896.1694274166!/cpImage/httpImage/image.jpg_gen/derivatives/16x9_620/cda-cybersecurity-20230719.jpg)
![Sami Khoury, the head of the Canadian Centre for Cyber Security, says ransomware attacks are getting more sophisticated and there's a lot the country and companies could do to better defend themselves. A woman uses a keyboard in North Vancouver, B.C., Wednesday, December 19, 2012. THE CANADIAN PRESS/Jonathan Hayward A person types on a keyboard.](https://i.cbc.ca/1.6961896.1694274166!/cpImage/httpImage/image.jpg_gen/derivatives/16x9_620/cda-cybersecurity-20230719.jpg)
If you visited a hospital in Sarnia, Ont., in the last 30 years, everything from your name to your reason for visiting the hospital, and even — for some — their social insurance number might now be found in the darkest corners of the internet.