If you see only a recent activity section on the page, you don't need to confirm any activity.
However, if you see an unusual activity section, it's important to:
Let us know whether the activity was you or not.
The meaning of recent is having lately come into existence :
New, fresh.
How to use recent in a sentence.
Of late occurrence, appearance, or origin;
Lately happening, done, made, etc.
See examples of recent used in a sentence.