Quick meaning
Malware disguised as a legitimate programme that secretly causes harm once installed.
Think of it like this
Like a gift box that looks harmless but contains something dangerous inside.
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
Trojan (Trojan Horse) means: Malware disguised as a legitimate programme that secretly causes harm once installed.