Quick meaning
Software that monitors a network for suspicious activity and alerts administrators.
Think of it like this
Like a security guard watching CCTV footage for unusual movement.
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
Intrusion Detection System means: Software that monitors a network for suspicious activity and alerts administrators.