Experts say fraudulent sites and ads remain a pervasive issue. "Many of the scam sites are short-lived campaigns, so it's an ongoing effort to identify new sites," Ilya Volovik, director of Recorded Future Payment Fraud Intelligence, told CBS News. "Some of the longer living scam sites change their 'sales' advertisement based on a holiday."

Target stores will be open with extended hours this Friday, Nov. 29, to offer more time to shop, similar to last year. Most locations will be open from 6 a.m. to 10 p.m. However, store hours vary by location so you should ultimately check with you local Target to confirm its operating hours.

According to a Target spokesperson, stores will open at 6 a.m. local time on Friday, Nov. 29 and close at their normal time.