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Once you’re in your router’s settings, don’t click any option that says something like, “Allow guests to see each other and access my local network.”

Once you’ve set up your technology, be sure to set a strong, unique password for the associated account. Never stick to the default, even if it looks random.

When I say ‘strong’ and ‘unique’ I’m not talking about your child’s birthday or your pet’s name. Randomly generated strings of letters, numbers and characters are best, but they are impossible to remember. Use a password manager or even a notebook to write down your passwords.

I like a password book on Amazon that costs less than $ 10.

When you swipe your credit card and enter your zip code, that’s an example of two-factor authentication. Basically, you are providing further proof that you are who you say you are.

You will usually receive a text or email with a code from the website or service you are trying to access. Tap or click here to set up two-factor authentication on your social media accounts.

If you are concerned about security, you can ignore any text or email codes altogether. Google Authenticator is an app that generates random codes for your accounts – and no one can intercept them as if they were text.