Our @jacobtorrey on stage at @ShmooCon just released our new Credit Card Canarytoken.
1) Visit http://canarytokens.org to create ur own legit credit-card;
2) Place it in a data-store of your choice;
3) Get an alert when an attacker runs that card!
https://blog.thinkst.com/2023/01/swipe-right-on-our-new-credit-card-tokens.html