Featured Article: How Hackers Work
Without hackers, we'd have no PCs or iPods. Yet, hackers have gotten a bad reputation as criminals of the computer age. What exactly are hackers, and are they friends or foes? See more »
computer & internet security library
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.
Articles 1-20 of 20
Can the government see what Web sites I visit?
The United States government is pretty much on your side when it comes to advocating for Internet browsing freedom. But some special circumstances merit Big Brother's watchful eyes.
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Can the government take away my laptop?
People traveling to the United States have grown accustomed to tight security. But can the government really take your laptop and keep it indefinitely?
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Could hackers devastate the U.S. economy?
In "Live Free or Die Hard," Detective John McLane fights a group that carries out attacks using the Internet. Is it really possible for hackers to cause economic or physical devastation in the United States?
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How Carnivore Worked
If George Orwell's book "1984" creeped you out, you'll want to read the facts about the FBI's Operation Carnivore. It gave agents the permission and technology to access to the online and e-mail activities of suspected criminals.
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How Computer Forensics Works
Computer forensics searches, preserves and analyzes information on computer systems for potential evidence in a trial.
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How Computer Viruses Work
Computer viruses tend to grab our attention because they remind us how vulnerable our information and technology can be -- a properly-engineered virus can wreak havoc on a global scale.
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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.
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How does a logic bomb work?
Logic bombs can cripple a company's computer system and either reveal or destroy sensitive information. It's often a tool used by angry employees -- in the IT world, it has a reputation of being associated with "disgruntled employee syndrome."
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How Firewalls Work
Firewalls have helped protect computers in large companies for years. Now they're a critical component of home networks as well. What are they protecting you from?
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How Hackers Work
Without hackers, we'd have no PCs or iPods. Yet, hackers have gotten a bad reputation as criminals of the computer age. What exactly are hackers, and are they friends or foes?
See more »
How Internet Censorship Works
Internet censors range from parents and employers to national governments. They block access to the Web pages they identify as undesirable.
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How Internet Cookies Work
Cookies are widely used by Web sites to keep track of their visitors, but they can also provide a better user experience. Are cookies letting Big Brother into your PC?
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How Phishing Works
Most people associate phishing with e-mail messages imitating banks or other businesses in an attempt to scam victims into revealing personal information. But e-mail messages are only one small piece of a phishing scam.
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How Spyware Works
According to recent estimates, more than two-thirds of all PCs are infected with some kind of spyware. These programs track your Web habits and more. Is your computer doomed, or can you get rid of spyware?
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How Zombie Computers Work
Zombie computers are computers that have been taken over by a hacker to do his Internet bidding without the knowledge of the owner -- allegedly, one hacker under investigation used a single computer to control a network of more than 1.5 million zombie computers.
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Is cyberbullying getting out of control?
With the evolution of the Internet, the big kid in class who used to steal your lunch money has evolved into a new kind of bully -- one who hacks your e-mail, sends you threatening messages and sabotages your computer.
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Is your workplace tracking your computer activities?
If you're surfing the Internet at work, you may not be the only one who knows. Watching workers has become an industry unto itself. Find out exactly how companies are monitoring employees.
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Someone started controlling my computer over the Internet -- what happened?
Both BO and Netbus are Windows 95/98 applications designed to allow other people to access your machine over the Internet. But here's the kicker - you're the one installing it!
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What is a smart card?
A smart card may look like a credit card, but just like people, it's what's inside that counts. Find out how smart cards protect sensitive data.
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What is the Year 2038 problem?
Fortunately the Year 2038 problem is somewhat easier to fix than Y2K on mainframes. Learn about the standard time library and how C programming is involved with this computer blunder.
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