With the holiday season fast approaching, shoppers may be particularly susceptible to potential online scams and scammers.

According to SocialCatfish.com — a website that helps consumers verify online identities to avoid being defrauded — the recent global chain issues and corresponding long delivery times could make it harder shoppers to know if they are being scammed.

Here are some of the most popular scams, according to the company:

Missing package scam

In some cases, scammers pretend to be FedEx and send an email with a with a link to track your package. When clicked on, the malicious link steals your personal and financial information, according to SocialCatfish. This scam might also come in the form of a text message, voicemail or even leave a “missed delivery” tag on your front door.

It’s best to never click on a link or call back a number from an unknown delivery notice. Make sure to contact the company directly using a verified number or website.

Secret Santa/Sister scheme

This is an apparent scam found circulating on Facebook. It involves scammers recruiting individuals with the promise that if they buy a gift for another member, they will receive 36 gifts in return. A version of this scam includes exchanging bottles of wine.

Fake retailers/websites scam

Fake websites will have limited contact information and noticeable grammatical errors on their domain name.

Look out for fake websites that advertise enormous sales on popular gift items that are out of stock…

Read more…