What's a verification code, and why are they so important? Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For ...

Nine million pensioners are being urged to check their bank accounts for a six-digit code this month. The payment reference ...

596 million. That's the number of WhatsApp users in India. At almost one-third of India's population, the figure stands testimony to the popularity of Facebook's almost ubiquitous messaging app in the ...

New estimates from a security researcher suggest GrayKey, a digital forensics tool in active use by U.S. law enforcement agencies, is capable of cracking Apple's standard six-digit iPhone passcode in ...

Northwestern uses chart string-based systems to manage financial transactions, in which all expenses are classified by five-digit expense account codes (e.g. – 73475 is “Lab Supplies and Hardware”).