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03/03/2010

Why your PC might be put in quarantine

When a nasty disease outbreak occurs, the best thing to do is to quarantine the patient, lest they infect everyone else. Now, experts are suggesting that we should do the same for computers.

Speaking at the huge RSA security conference in the US this week, Microsoft corporate vice president of trustworthy computing Scott Charney said that if a computer gets infected by malicious software, then it is up to Internet service providers to quarantine it, cutting it off from the Internet until it can be fixed. The idea is that if your computer gets turned into a spamming, porn-hosting 'zombie' controlled remotely by criminals somewhere in Latvia, then it shouldn't be allowed to infect any others.

"The problem with botnets is you're not just risking yourself any more, you're risking everybody else in the community. It's just like smoking," Charney said on CNet.

It's an interesting analogy. Charney argues that, just as many people choose to smoke even after being warned of the health effects, so many computer users fail to install anti-virus software and keep it up to date, and fail to behave safely online, even after being made aware of the potential consequences. So, just as smokers are now banned from smoking inside most public places to protect the people around them from second-hand smoke, so infected users should be cut off from the Internet until they clean up their act.

There are huge potential problems with this, of course. For one thing, it could mean opening up your machine and letting your ISP scan it for viruses, which might make some users nervous about privacy. And the other danger is that your anti-virus software may not detect an infection that your ISP catches. Plenty of malware writers are now testing their latest code against the best-known anti-virus tools, to give them a head start when it comes to infecting PCs.

Charney says that if ISPs don't do this voluntarily, and make the whole thing financially sustainable, governments may have to step in and take action, possibly even introducing a 'use tax' that every Internet user would have to pay, in order to get online.

I've thought for a long time that there should be more government involvement in regulating the Internet. The place is like the wild west - it was built on freedom of action, and the free flow of information, and on the principle that you can get online as cheaply as possible. But Internet crime is now at the point where it has become so rampant, it is having a serious effect on the overall Internet experience.

What do you think? Do we need to quarantine machines that are badly behaved? And should governments be helping?

Danny Bradbury, MSN Tech & Gadgets

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Danny BradburyDanny Bradbury

Danny Bradbury is a technology journalist with 20 years' experience. He writes regularly for publications including the Guardian, the Financial Times, the Financial Post, and Backbone magazine. Danny also writes and directs documentaries.

Maurice CachoMaurice Cacho

Maurice Cacho is a Toronto-based journalist mixing his love for tech with a passion for news. He's also CP24's Web Journalist and appears daily on CP24 Breakfast and weekly on the channel's tech show, Webnation, discussing tech news and trends.

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