The scariest sites on the Net? They're not the ones you might suspect. Here's what to watch for and how to stay safe.
Those photos of Jessica Alba may be murder on your PC. That Google search result that looks as if it answers all your questions may do nothing but create a serious tech headache. The fun you had watching that hilarious video you downloaded may not be worth the misery it can cause your system.
Threat 1 >> Malicious Flash files that can infect your PC
Adobe's Flash graphics software has become a big malware target in recent years, forcing the company to push out frequent security patches. But another danger you might not know about is associated with Flash cookies. Flash cookies are small bits of data that their creators can use to save Flash-related settings, among other things. But like regular cookies, Flash cookies can track the sites you visit, too. Worse still, when you delete your browser's cookies, Flash cookies get left behind.
Threat 2 >> Shortened links that lead you to potentially harmful places
Scammers love Twitter since it relies so much on URL shorteners, services that take long Internet addresses and replace them with something briefer.Threat 3 >> E-mail scams or attachments that get you to install malware or give up personal info
The Place: Your e-mail inbox
Although phishing and infected e-mail attachments are nothing new, the lures that cybercrooks use are constantly evolving, and in some cases they're becoming more difficult to distinguish from legitimate messages. My junk mailbox has a phishing e-mail that looks like a legitimate order confirmation from Amazon. The only hint that something's amiss is the sender's e-mail address.
Threat 4 >> Malware hiding in video, music, or software downloads
Torrent sites (such as BitTorrent) are often used for sharing pirated music, videos, or software, and are a trove of malware. No one vets the download files--they may be malware in disguise.
Threat 5 >> Malware in photos or videos of scantily clad women
Porn sites have a reputation of being less secure than mainstream sites, but that assumption doesn't tell the whole story. "There is no doubt that visiting Websites of ill-repute is deadly dangerous. If you make a habit of it, it's a given that you'll be attacked at some point," says Roger Thompson, chief research officer with security firm AVG. "Unfortunately, staying away from those sites won't keep you safe by itself, because innocent sites get hacked all the time, and are used as lures to draw victims to the attack servers."
Threat 6 >> Trojan horses disguised as video codecs, infecting your PC with malware
If you watch or download video online, you've likely been told to download a video codec--a small piece of software that provides support for a type of video file--at least once. Usually, these bits of software are perfectly legitimate (for example, the popular DivX codec), but some less-than-reputable download services or video sites may direct you to download a piece of malware disguised as a codec. Security software company Trend Micro provides a good example of what these attacks look like.
Threat 7 >> Geolocation--your smartphone and perhaps other parties know where you are
As in this example showing restaurants
in a San Francisco neighborhood,
some smartphone apps, such as Yelp for
iPhone, use your physical location to
provide you with information on nearby
businesses or points of interest.
The smartphone market is still in its infancy, really, and so are the threats. One possible concern is the use--or abuse--of geolocation. Although plenty of legitimate uses for location data exist, the potential for inappropriate uses also exists. In one case, a game listed on the Android Market was in reality a client for a spy app. In a less invidious example, a site called pleaserobme.com showed that--for a time--a stream of FourSquare check-ins indicated that a person was away from their home (the site's goal, mind you, wasn't to condone theft, but to raise awareness of the issue).
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