Drive-in burger chain in U.S. has confirmed an unusual activity regarding credit cards used as some of its outlets, and it has caused the company's share to tank.
The company said in a statement that their credit card processor had informed them last week about the incident and now they are investigating to "understand the nature and scope of this issue.” However, till now they haven't disclosed the details of the hack and its impact.
“We are working to understand the nature and scope of this issue, as we know how important this is to our guests,” the company said in a statement. “We immediately engaged third-party forensic experts and law enforcement when we heard from our processor. While law enforcement limits the information we can share, we will communicate additional information as we are able.
Just after disclosing a breach, the company suffered a worst stock decline in nearly two months.
According to the company's website, Sonic has more than 3,500 restaurants throughout 44 American states.