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Computer & Internet Security

Computer surveillance and security covers a wide range of ways to keep you and your information safe. Learn about firewalls, zombie computers, hackers and workplace surveillance.

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How do viruses and worms spread in e-mail?

From Trojan horses, to worms and viruses, we give you the skinny on how viruses can infect your system through email.


2016 Broke the Record for Stolen Data

2016 was a record-breaking year for the number of data records stolen. Learn more at HowStuffWorks Now. See more »

Alexa, Buy a Dollhouse!

Voice-activated personal assistants like Alexa sound super useful — until they start following other people’s orders. Learn more at HowStuffWorks Now. See more »

Why Ransomware Is the Perfect Hack

Thousands of ransomware attacks happen every single day in the U.S. Learn more about the malware that could hold your data hostage. See more »

A Spotify Bug Could Be Killing Your Hard Drive

Spotify users discovered the streaming music service was writing and rewriting gigabytes or even terabytes worth of data to their hard drives. See more »

A Storm Is Brewing: The Trouble of Malware in the Cloud

Malicious software is an emerging threat to cloud services, and it's hard to detect. Learn what researchers are doing to help at HowStuffWorks Now. See more »

Passwords Sent Securely Through Your Body, Not the Air

How will 'smart locks' change security? Learn more about a new development in security technology in this HowStuffWorks Now article. See more »

We Just Got Closer to Creating Unbreakable Quantum Enigma Machines

What is quantum cryptography? Learn more about a quantum Enigma Machine in this HowStuffWorks Now article. See more »

Sauron's Spies Are Everywhere — Even on Computers

Security experts have found malware they've dubbed ProjectSauron. It's been quietly lingering on some high-profile computer systems for five years. See more »

Hackers Turn Computer Fans Into Snitches

Security researchers have just figured out a way to turn a computer fan into a device for spying. Learn more at HowStuffWorks Now. See more »

Inside the Troll: The Science of Being an Awful Person

We tend to see trolls as regular folks whose underlying negative traits are triggered and amplified by the Internet. But that isn't the whole story. See more »