Decentralized finance security is the practice of protecting funds and data in financial applications that run on public blockchains without a central operator. Lending markets, exchanges and yield products in this space are built from…
Card skimming prevention starts with knowing how criminals copy card data from the readers you use every day. A skimmer is a device attached to or hidden inside a card reader that captures information from…
Federated identity management is the ongoing work of running trust relationships between an organization’s identity system and the outside services or partners that rely on it. Setting up a federation takes an afternoon; keeping it…
Non custodial wallet risks are the dangers you take on when you hold your own private keys instead of trusting an exchange or service to hold them. Self-custody removes the risk of a provider failing…
Payment tokenization basics start with one idea: replacing a real card number with a substitute value, called a token, that is useless to thieves outside its intended context. Tokens now sit behind phone wallets, saved…
Security Versus Privacy is a debate that shows up every time you configure a computer or phone, because many operating system features protect you from attackers while also sharing information about you. Knowing which goal…
Online checkout privacy is about controlling what you reveal in the few minutes between clicking buy and seeing an order confirmation. Checkout pages ask for names, addresses, emails, phone numbers, and payment details, and they…
Custodial wallet risks arise whenever a third party, such as a centralized exchange or custody service, holds the private keys to your cryptocurrency on your behalf. The arrangement feels familiar because it works like an…
Merchant payment data is the information a store, restaurant, or online seller collects and keeps when you pay. It includes partial card details, transaction records, receipts, and often links to your loyalty account, email, or…
Wallet recovery security covers the steps that keep you safe while regaining access to a cryptocurrency wallet after a lost device, a failed update, or a suspected compromise. Recovery is a stressful moment, and attackers…