BUFFALO, N.Y. -- Cyber Monday is one of the biggest online shopping days of the year, and while deals may be plentiful, some websites can leave bargain hunters vulnerable to things like identity theft. 

To keep your information safe, make sure to ship with stores you know. 

Don't visit websites from links you see in emails or in pop-up ads. These websites may look legitimate, but could very well be fake. 

The Better Business Bureau said it's also important to secure your devices with anti-virus software and make sure your Wi-Fi is secure. 

"The biggest thing is the Wi-Fi, you want to make sure it's either a secure connection, or just use your data connection. You don't want to connect to a free Wi-Fi, you don't know where that Wi-Fi source is coming from, they could be trying to get into your phone with malware, which is something we've seen an uptick in this year," said Better Business Bureau spokesperson Melanie McGovern. 

Cyber Monday has lost a bit of it's clout when it comes to being the king of online shopping days.  Stores have been releasing internet deals earlier and making them available longer, which has increased online sales numbers on Black Friday. 

Adobe reported $3.34 billion in online sales this past Friday, which was an almost 22 percent increase from last year.