The live broadcast of GS SHOP features a program selling peeled shrimps in this February photo. Courtesy of GS SHOP

Major retail company GS Retail said Thursday that the personal information of about 1.58 million customers was leaked from its home shopping website, GS Shop.

Last month, a hacking attack led to a database breach, leaking the personal information of about 90,000 customers from the website of its convenience store, GS25.

According to GS Retail, following last month's hacking incident of the GS25 website, the company extended login records of all its operating sites to one year for inspection. As a result, additional signs of a data breach were confirmed on the home shopping website between June 21 of last year and Feb. 13.

Upon discovering the breach, GS Retail expanded its search by extending the scope to log data from the previous year. It then found digital traces that revealed a massive data leak from the GS SHOP website.

The stolen information from the GS SHOP website included over 10 categories, such as customers' names, genders, birth dates, contact numbers, addresses, IDs, email addresses, marital status, dates of marriage and personal customs clearance codes. The company added that financial information, including payment methods and membership points, was not leaked.

GS Retail said it blocked internet protocols related to the hack from accessing the GS SHOP website and sent text messages to its customers, advising them to change their passwords when accessing websites under GS Retail.

The company stated that it launched a special task force committee to protect the personal information of its customers and will "resolve the issue as quickly as possible."

The company apologized to its customers, saying, "It will do its best to recover consumer trust."