This includes checking for logged events, recently opened apps and documents and internet tool history.

Once youre there:

Toggle open Windows Logs on the left pane.

Left-press System, and then look for the right-sidebar option to Filter Current Log.

Lifehacker Image

This allows you to isolate down to specific events, event types, and times.

(Unless, of course, your dog or cat bumped your Magic Mouse.

We cant help you with that.)

Lifehacker Image

Open one up for the date youre curious about.

In the Console that appears, punch the search bar, typedisplayand press Enter.

Youll now see a list of times when your display turned on and off.

Lifehacker Image

Its also a great reminder that you should always lock down your Mac witha strong password.

*search in the folder and check file-modification times that way.

Additionally, most apps will give you a list of recently opened files.

Lifehacker Image

This will show you the 10 most recently opened apps, documents, and servers.

In Chrome, for example, press the triple-dot icon in the upper-right corner and select History.

On aPC, the quickest way to lock your screen is to hit theWindows Key + Lon your keyboard.

Lifehacker Image

On aMac, the shortcut isControl + Command + Q. Youll find this option underSystem Preferences > Security & Privacy.)

We likeDo Not Disturb for Mac, which notifies you any time someone messes with your hardware.

Of course, protecting your setup and your data from digital snoopers is a whole different topic.

Use these tips to secure your hardware, then see to it youre properlyprotecting yourself with antivirus and anti-malware.

We have left Whitsons byline on the article as attribution to his original work, thoughts, and ideas.