The payment card giant MasterCard just fixed a glaring error in its domain name server settings that could have allowed anyone to intercept or divert Internet traffic for the company by registering an unused domain name. The misconfiguration persisted for nearly five years until a security researcher spent $300 …

A financial firm registered in Canada has emerged as the payment processor for dozens of Russian cryptocurrency exchanges and websites hawking cybercrime services aimed at Russian-speaking customers, new research finds. Meanwhile, an investigation into the Vancouver street address used by this company shows it is home to dozens of …

Enlarge (credit: Getty Images) A familiar debate is once again surrounding Cloudflare, the content delivery network that provides a free service that protects websites from being taken down in denial-of-service attacks by masking their hosts: Is Cloudflare a bastion of free speech or an enabler of spam, malware delivery …