If you’re using WiFi at home then you may have some nagging concerns about its security. Some connections can extend up to a mighty 100 meters so such concerns extend beyond the question of trusting your neighbors.

In these days of the Internet, security is a growing concern. In a context where the Internet community is increasing in leaps and several billion pages are uploaded to the web every day, it’s hard to keep track of everything that’s out there. Protecting children online is a priority, and similar to teaching a child to ride a bike or drive a car, we should be helping them learn how to navigate the online world.

Tracking where and when a photograph was taken can be as simple as a click of the mouse, and that’s making it easy for hackers and stalkers to gain personal information. But there are easy steps you can take to protect yourself from cyber predators.

Like it or not, the online world today is one in which we're expected to participate. Whether because of peer pressure, sheer convenience or clear-eyed decision making, we join social media sites, order merchandise online, store things in the cloud and burnish our "digital brand."

We know the limitations of passwords: They are difficult to scale, and managing truly secure passwords is a headache for administrators and end users. We also know that although there are alternate technologies for online authentication, passwords probably are here to stay.

Vacation used to be a way to unplug from the world. Now, it’s an extension of work just in a nicer locale. We’ve all been there, convincing ourselves we’ve escaped the digital ball and chain while sipping margaritas on the beach, only to catch ourselves glimpsing at our email inbox. Our digital lives have taken over and while some may be successful in fully detaching, technology is bleeding into our coveted vacation time.

Twitter rolled out two-factor authentication last week, joining a growing group of tech companies to support the important security feature. Two-factor authentication can help mitigate the damage of a password breach or phishing attack.

Today our mobile phones are an extension of our lives and identities; we do everything on them from communicating with friends, shopping, banking, gaming to taking photographs. And as mobile phones become more sophisticated multi-purpose devices, not protecting them with a password can be likened to leaving your keys in your front door. All of the contents are vulnerable to theft

While I could go into some very complex instructions for overriding your Mac’s defaults and getting some extra security by manipulating your configuration through the command line, I just want to go through some of the most effective things any intermediate Mac user can do.

Are college students concerned about these businesses accessing their personal information? The Pew Research Center published a study last week that revealed only 9% of teenage social media users care a great deal about third parties accessing their personal information from sites such as Facebook.