Sharing boarding passes on social media out of excitement for your trip may look harmless, but it is not risk-free. In fact, if an aviation expert is to go by, fraudsters can access key travel data by scanning visible barcodes on your boarding passes from pictures you post online. “The barcode on a boarding card follows the IATA Bar Coded Boarding Pass (BCBP) standard and can contain key travel data, including passenger name, PNR, flight details, seat number and sometimes even frequent flyer information. With just the PNR and surname, portions of a booking can often be accessed online. That opens the door to itinerary visibility, seat changes, cancellation of segments, mileage misuse or targeted phishing attempts,” said aviation expert K Anuradha Suresh, retired Senior AGM at Air India. DISCLAIMER:  This article is based on information from the public domain and/or the experts we spoke to Data within the barcode The barcode (or QR code) on a boarding pass is not just a random string of numbers.…