In case you haven't noticed it, this is the continuation of Lock Your Mac Desktop but also the compilation of all useful resources from our readers. In the earlier part, we have covered about locking Mac desktop by enabling security password upon waking up and going to login window with fast user switching. If you have yet to know those two, I recommend you to check it out. (Though I doubt most of you will…)
In this article, we will tap on readers' suggestions on locking Mac desktop, including using active screen corners, utilizing keychain access, installing lock widget, and one more quick trick.
Now it's the time to secure your Mac from either data thieves or network hackers. These are the basic settings you can make to secure your Mac:
There are several things to be aware of when you're choosing options for your login items, such as disabling automatic login or hiding available usernames.
Here is the complete steps to secure your login:
All of the securities start from securing accounts.

These three ways hopefully can help you keep your information stored in your account secure. All of these settings are inside Apple → System Preferences → Accounts → Login Options ( the small house at the left-bottom corner of the pane ).
There are two Applications here I can recommend you to do backup for your Mac, one is Carbon Copy Cloner 3.0 and the other one is SuperDuper!
We all know that Mac is far more secure than 'you-know-what-I-mean'. However, in this world nothing is perfect, including your Mac. Somehow, sometimes, somewhere or somewhat, your Mac will get a glitch of error and mess up all of your data storage. Instead of crying over the night (under the blanket), it's just more than good to do backup. But it's essential yet not compulsory.
Also known as CCC. Choose this one if you want to make backup of only some portions of your Disk. It also gives us the forecast what should we get if we proceed further.
For further understanding and sea of feedbacks from it's experienced user, you can refer to its site: Carbon Copy Cloner 3.0 and Mac

It is necessary to keep alert whenever you bring your Mac outside. As you know, everyone love Mac so your Mac will be in danger if you leave it open in the crowd. Therefore, you need the easiest way to lock your screen.
Screen saver hot corner is the place that gives mouse authority to put Mac into sleep.
There will be four hot spot that can be chosen, it's a matter of freedom to choose one or even four of them. While mouse being quickly moved from one random point to this hot spot, Mac will fall asleep.