A copy of Windows is genuine only if it has been activated using a valid key. When you buy Windows Keys from Microsoft websites or get them from the OEMs, you can be sure that they are genuine. But ...

Valoren numbers are Swiss financial identifiers, similar to CUSIPs in the U.S. and Canada, used to uniquely mark financial instruments without embedded data.

Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

These gift ideas are crowd-pleasers, plus they won't break the bank.