More than a week after Hannaford supermarkets were impacted by a cybersecurity incident, many of the grocer's online services remain down.

Efforts to investigate the cybersecurity “issue” prompted the grocery giant's parent company to disconnect some systems to protect them.

The parent company of Stop & Shop and Hannaford grocery stores has issued a statement saying they were recently impacted by a “cybersecurity issue within its U.S. network.”