Computer Security

The internet offers access to a world of products and services, entertainment and information. At the same time, it creates opportunities for scammers, hackers, and identity thieves. Learn how to protect your computer, your information, and your online files.

Sort By:

Computers

"Free" Security Scans

Alarming messages on your computer warning that a ‘free’ scan has found malware could be a rip-off.

Computer Security

Secure your computer and protect yourself from hackers, scammers, and identity thieves.

Cookies: Leaving a Trail on the Web

This Q&A can help answer questions you have about cookies and online tracking.

Disposing of Old Computers

Getting rid of a computer? Follow these instructions to protect your personal information.

Laptop Security

Here’s how to prevent a thief from snatching your laptop — and all the valuable information it houses.

Malware

There are steps you can take to avoid, detect, and get rid of viruses and spyware.

P2P File-Sharing Risks

Consider these computer security risks before you share files through a P2P network.

Phishing

Is a message that asks for your personal information just “phishing” for it?

Tech Support Scams

Who is calling out of the blue, claiming to be able to "fix" your computer? A scammer, that’s who.

Mobile Devices

Disposing of Your Mobile Device

Dispose of your mobile phone safely.

Understanding Mobile Apps

Consider these questions before you download a mobile app.

Networks

Securing Your Wireless Network

Protect the wireless network in your home.

Tips for Using Public Wi-Fi Networks

Here’s how you can protect your personal information when you’re using public Wi-Fi hotspots.