4
votes
3answers
1k views

How can I report PCI-DSS violations?

A large supermarket chain in the UK, are storing their passwords in plaintext. Apparently, Mastercard's security department are already involved. I'd like to report them for violating PCI-DSS, since ...
3
votes
2answers
209 views

How can I report an ecommerce site in violation of security practices?

I ordered a product from a website and found that their invoice display page is completely un-protected with the order id in the query string and merely incrementing the number exposes every order. ...