Q. How effective are those "secret" security questions required on many websites?
A. Questions such as your favorite color, pet's name or birth city are meant to provide an extra layer of online protection and help verify your identity if you've forgotten a password.
But a study by Microsoft Research and Carnegie Mellon University indicates that people who know you, but not your passwords, can typically guess your answers about 17 percent of the time. About 13 percent of answers can be guessed within five attempts by non-acquaintances (including hackers).
So when given the traditional menu of secret questions, it pays to be creative.
For instance, when asked "What is your favorite color?" avoid the eight basic colors used by most folks. Instead of orange, for instance, use "cantaloupe," "melon madness" or "autumn dusk," getting inspiration and an easy-to-file reminder from color chip samples at the local paint department.
Always avoid questions seeking your mother's maiden name or your birth year or birth city. Those answers can often be found online. Also give a pass to "what was the name of your high school?" — especially if you visit reunion websites or note your school on Facebook.
Another approach is to tweak your answers with numbers and symbols. If you're asked for the city of your birth, answer "At3lan&ta" as opposed to "Atlanta." You can also just make one up: Funkytown isn't foolproof, but it's harder to guess than Cleveland — and website managers won't be checking your birth certificate.
Of course, if your sign-in sessions are few and far between, you might want to make a note of these answers and keep them in a safe place.
If a site lets you create your own secret question, here are some safer options, according to online security expert Mark Burnett, author of Hacking the Code:
- The first and last name of your childhood sweetheart (but not if that person became a current or past spouse).
- A phone number remembered from childhood (but not your current number).
- A favorite place to visit as a child — and a particular zoo or museum is a stronger answer than a vacation spot or the predictable Disney World.
- Your favorite actor, artist or musician (assuming you don't regularly wear that Springsteen T-shirt).
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