Victoria’s Secret took down its US website and shut down its online customer service operations on Wednesday after what it called a security incident.

The clothing and lingerie retailer’s normal US website was replaced with a note to customers saying that it was aware of the incident and was dealing with it, adding that the site and some services had been temporarily shut down as a precaution. It didn’t give any further details about what kind of security incident had occurred, but said that its brick-and-mortar Victoria’s Secret and PINK stores remain open.

“Our team is working around the clock to fully restore operations,” the note read. “We appreciate your patience during this process.”

The brand also noted the incident in a Wednesday night Instagram post and linked to a customer FAQ on its corporate site. That FAQ stated that it was working to fulfill orders placed before Monday. Once those orders have shipped, customers will receive emails with tracking information.

Victoria’s Secret also said that it will be extending the redemption of in-store coupons and mailers through Sunday. The redemption period for earned rewards will also be extended, though it didn’t say for how long.

The company added that it is currently unable to accept online returns at its stores, but it will be extending the return period by an additional 30 days.

Victoria’s Secret operates about 13,509 stores in about 70 countries.