The Better Business Bureau offers some tips for avoiding ticket scam. For example, the fraudulent seller usually offers a sad tale as to why they cannot use the tickets; the seller will only accept cash, wire transfer or a prepaid money transfer and the seller pressures victims to act quickly.
And if you're buying a ticket online, there are ways to protect yourself this summer concert season, experts told CNBC.
First, stick with well-known ticket sellers like Ticketmaster and StubHub. These sites offer buyer guarantees that protect you against unscrupulous sellers. While sites such as eBay and Craiglist may offer cheaper prices through individual sellers, they are riskier, according to iovation and AARP.
In an email to CNBC, a eBay spokesman said they "utilize a combination of sophisticated detection tools, enforcement and strong relationships with brand owners, retailers and law enforcement agencies to effectively combat fraudulent activity and present our customers with a safe, trusted shopping experience."
Craigslist did not respond to CNBC's request for comment but offers tips online to avoid scams.
If you opt for an online seller you're not familiar with, do your research. Fraudulent merchants may even use fake Better Business Bureau logos to advertise fake deals. Iovation suggests checking a seller's reviews with the bureau. If you're still unsure, you can also check to see if the vendor is a member of the National Association of Ticket Brokers.
Once you are entering payment info, check that there is a lock symbol in your browser or that the website starts with "https://" instead of "http://" without the "s." An "s" in the URL indicates the website is encrypted to protect a hacker from gaining your credit card information.
Finally, iovation suggests paying with a credit card or PayPal, which allows you to dispute a payment if you do not receive a ticket. If you pay with cash or a wire transfer, there's no recourse.
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If you suspect you may have received a counterfeit ticket, contact the National Association of Ticket Brokers at 630-510-4594.
—By CNBC's Jennifer Schlesinger. Follow her on Twitter