Ask Leo! #527 – Your new computer, Removing websites, Avoiding two-factor risks, 5 suggestions for the new year and more…

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Featured

The First Eight Things To Do With Your New Computer

Congratulations! You've received a new computer!

Of course you want to jump right in and start using it, but there are a few tasks you can do now that will reap benefits later.

These are things that, later, when all heck breaks loose and the machine dies, the software crashes, or you get a massive malware infection, will save you lots and lots of time and grief.

Every day people lose data, precious memories, and valuable time because they didn't take a few simple steps along the way to prepare.

And by far the best time to prepare is at the very beginning.

Continue Reading: The First Eight Things To Do With Your New Computer
https://askleo.com/4689

The easily avoidable risk of two-factor authentication

I'm a very strong believer in using two-factor authentication for important online accounts. For example, I rely heavily on Gmail and I have it protected using Google's two-factor authentication option. Even if they somehow got my password a hacker still wouldn't be able to get in.

Two-factor authentication (often referred to as multi-factor authentication, 2FA, or MFA) adds the requirement of "something you have" to "something you know" in order to log in to an online service.

You're already familiar with something you know: that's a password. Something you have might be a mobile phone capable of receiving a text message, an authenticator application running on a mobile device, a dedicated key fob, or even a specialized USB device. Two-factor authentication simply means that you provide not only a password, but you must also prove that you have the second factor in your possession. If you don't, you can't log in even if you know the password.

Neither can hackers – and that's the point.

Failing to prepare for loss of that second factor, however, is an easily overlooked, yet easily avoidable risk of two-factor authentication. The risk? Losing access to that important account … forever.

Continue Reading: The easily avoidable risk of two-factor authentication
https://askleo.com/17345

How do I remove a website from my computer?

I get this question surprisingly often.

Unfortunately, it reflects a fundamental misunderstanding of exactly how things work. Unless you're an actual website developer, websites aren't on your computer.

I'm not saying there isn't a problem or something annoying going on – there probably is. But a website "on" your computer isn't it.

Let's look at why the difference matters, and what kind of problem this might really be.

Continue Reading: How do I remove a website from my computer?
https://askleo.com/17363

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Glossary Term

two factor authentication

Two factor authentication is a mechanism for verifying identity that relies on two different types of things, both of which must be correct, in order to allow access.

Traditionally authentication has been in the form of something you know: i.e. a password, and perhaps the accompanying answers to a set of security questions. Since this is simply based on knowledge (if you know your password you must be authorized to access this account) it's easily transferred from one person to another – intentionally or otherwise.

The most common form of two-factor authentication adds something you have to the requirements – you must prove that you are in position of something specific, something that is completely unique to you and of which there is only one.

A popular implementation of this is in the form of key chain fobs or smartphone applications such as Google Authenticator which present a 6 digit number that changes every 30 seconds. That 6 digit number is generated by a cryptographic algorithm and is tied to your account in such a way that only your device has the correct number for your account at any point in time. Because the algorithm used to generate the number is based on a form of cryptography it's not possible to predict the numbers that would be displayed without the secret keys held by the authentication system.

You then simply "prove" you have your phone or key chain fob by entering the number displayed on it when requested.

Another factor that can be used is something you are, which typically boils down to facial recognition, fingerprint scanning or other biometric measurement.

While each can be used in isolation – something you know, something you have or something you are – as the very common "single factor authentication", requiring more than one increases security dramatically. While two-factor authentication naturally requires two, it's actually a subset of "multi-factor authentication" which can require two or more.

Glossary Terms are featured selections from The Ask Leo! Glossary.
Have a term you'd like defined? Submit it here.

Featured Comments

Why are pictures not showing in email?

Bill writes:

Sometimes in gmail some of the embedded images will display while others in the set will not. Closing and re-opening the email will often display some more images but sometimes I need to re-open the email again before finally seeing all the images. I am set for html in gmail. How does re-opening the email cause additional images to finally display? Makes no sense, but it works. I run into this anomaly only rarely and it has occurred with both Win 7 and 8.1

VINCENT BURGIO writes:

I also receive e-mails with the broken image icon, but at the bottom of the e-mail are all the picture in thumbnail view. If i click on the view buttom they show up as a slide show. this does not happen all the time. I am using chrome and yahoo mail.

The First Eight Things To Do With Your New Computer

Ken Brody writes:

I might add one last step...

After doing all of the above, take *another* image backup. That way, you can always get the system back to the way you originally configured/updated/etc'ed it, without having to go back to "factory fresh" and re-apply everything.

What Security Software do you recommend?

AJ North writes:

Three free Windows applications (XP onward) that will greatly help protect against ransomware are:

Microsoft's Enhanced Mitigation Experience Toolkit (EMET) -- https://www.microsoft.com/en-us/download/details.aspx?id=43714 (also see http://www.securityweek.com/microsoft-emet-51-brings-improved-security-and-compatibility). Though MS does not list XP as a supported OS, it will run (SP3 with .NET 4.0).

CryptoPrevent -- https://www.foolishit.com/vb6-projects/cryptoprevent/ (for what it may be worth, the Premium Edition, with automatic daily updates of definitions, is currently on sale for $15; the lifetime license covers all of one's machines), and,

SurfRight's HitmanPro.Alert, with CryptoGuard -- http://www.surfright.nl/en/cryptoguard .

I have these applications running on more than a dozen Windows boxes, from XP through 8.1.1, with zero adverse issues (though on some systems, EMET may need to be tweaked; do a web search for specific issues, should any be encountered).

Leo's Blog

Five Resolutions for the Holidays and New Year

As we pass through the holiday gift-giving season and the year winds down, we have a great opportunity to make some decisions.

Acting on these decisions will increase your security, decrease your frustration, and virtually eliminate the potential for catastrophic data loss. Call them "resolutions" if you like.

But no matter what you call them, resolve to take them to heart in the new year.

Continue Reading: Five Resolutions for the Holidays and New Year
https://askleo.com/17381

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