vpnMentor researchers discovered that the popular digital wallet application Key Ring exposed data belonging to millions of users in a huge data leak. The experts found more than 44 million images uploaded by Key Ring users in one of the AWS S3 buckets they have discovered. The images include scans of government-issued IDs, retail club membership and loyalty cards, NRA membership cards, gift cards, credit cards with all details exposed (including CVV), medical insurance cards, medical marijuana ID cards, and more.”]
Source: https://securityaffairs.co/wordpress/101163/data-breach/key-ring-data-leak.html