Stablecoin acceptance is going mainstream. Irreversibility, key custody, address fraud, and compliance: the security model merchants must understand.
Address Verification Service and CVV checks are the oldest CNP fraud tools. How they work, the response codes, and how to use…
PCI DSS permits storing some card data and bans other data outright. The SAD rules, masking and truncation requirements, and retention limits.
ATMs face deep-insert skimmers, shimmers, cash trapping, and jackpotting malware. How the attacks work and the layered defenses that stop them.
PCI DSS 4.0 requires MFA for all access into the cardholder data environment. What requirement 8 demands, valid factors, and common failures.
NIST's post-quantum standards are final. A staged playbook — crypto inventory, agility, vendor questions — for migrating payment systems.
Exceed card-brand fraud or dispute thresholds and you enter monitoring programs with fines and remediation demands. How VAMP works now.
No staff, public access, 24/7 exposure — unattended terminals are skimming magnets. Practical security for kiosks, fuel pumps, and EV chargers.
In APP fraud, victims are manipulated into sending money to criminals. The main scam patterns, why banks struggle, and reimbursement rules.
Click to Pay replaces manual card entry with a tokenized, network-run checkout. How SRC works, its security model, and what it means…