Don't-Miss Security Stories

I forgot my Windows 10 password!

Forgetting your Windows 10 password isn't the disaster it used to be. Windows lets you get back on track with a pretty easy reset process. Here's how it works.

Bypassing the Windows 10 password with a PIN

There's an easier way to get into Windows: setting up a numerical PIN, just like you'd use with a bank ATM. Here's how to do it.

Use Timed Access Control to restrict when devices can connect to your Apple base station Wi-Fi

Your AirPort Extreme and Time Capsule can block certain devices at certain times of day, based on the device's MAC address. Here's how to set it up.

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How to migrate browser-stored passwords to a password app

Having heard a lot about transitioning to a password-storing app, a reader wonders about the ease of shifting already-set passwords.

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How to modify System Integrity Protection in El Capitan

Some software you may know and lean on won't work in El Capitan due to a new security feature that locks down system files and directories. Here's how to modify that.

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Take secure steps in upgrading to iOS 9

Here's what you need to know about security when you're updating your iPhone and iPad.

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How to track down a lost iPhone

We’ll step you through setting up and using Find My iPhone, and what to do if your phone ever does go missing. Prepare for this tech nightmare now before it happens to you.

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How to use a VPN to keep your network data safe

If you're using a public wi-Fi hotspot, it's a good idea to protect yourself by using a virtual private network.

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Little Snitch keeps an eye on your Mac's Internet connections

Firewalls are good for blocking inbound network traffic, but what about your Mac's outbound traffic? Little Snitch keeps an eye out for you.

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Mac 911: A potpourri of OS X questions

This week, we answer questions about bookmark sync failure, managing Top Sites in Safari, dysfunction keys, and ransomware.

mac firewall

Fire up your Mac's firewall

OS X has a built-in firewall. Here's how to use it.

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Spam filtering on the cheap for your domain's email

Unwanted emails clogging your inbox? There are lots of web-based spam filters to help.

lastpass

LastPass was hacked: Here's what you have to do

LastPass had the worst thing happen, but don't panic: You're still in the clear and your password is likely not cracked.

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Checking your Mac for viruses -- wait, what?

OS X does a pretty good job of stopping viruses and malware from attacking your computer. But there are steps you can take to further protect yourself.

Adware Mac

When adware attacks! And how to defeat it

If you download software from the Internet, you may have inadvertently installed adware on your Mac. Here's how to get rid of it.

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How to download your entire Google search history

Want a copy of your personal Google search history for your very own? Now you can export and download it, though it's in a funky file format.

on pcworld.com

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How to password-protect your Mac--and keep other people from using it

Whether you just bought a brand new MacBook or are tethered to a long-lasting Mac Pro, use these password tips and OS X's security features to keep your data away from prying eyes.