Quick meaning
A physical device plugged into your computer or tapped to your phone to verify your identity during login.
Think of it like this
Like a physical key needed alongside a PIN to open a security door.
Where you may see this
You may see this in login screens, warning messages, banking apps, or scam-prevention advice.
Why it matters
Understanding this word helps you protect your money, personal information, and online accounts.
Say it simply
Hardware Security Key means: A physical device plugged into your computer or tapped to your phone to verify your identity during login.