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[豆知识] 【整理】2010-10-24&10-30 密码保卫战

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Homework
Often there are surely only one things standing between your sensitive information and criminals,your password.If they get it ,they can get  into bank acounts and private files and wreak havoc.For this reason,it's important to know what makes passwords strong and secure.This is secure passwords explained Common Craft.

Chances are you use passwords everyday to open your computer ,log on your favorite websites ,to get work done.The easy route is to have some passwords that works everywhere.Unfortunately,this can be a problem.Criminals are good at guessing passwords .Some have computer programs they can make millions of guesses until some works .If they already known information about you .It's even easier.You job is to create a password that is very hard to guess.

Here's how.You first opt may be to use a pet's name ,a birthdate ,an adress or parts of phone number.These things are too easy for criminals to discover.So don't use them.Your password should not include information about you.Thankfully,There are always to have memorable but hard to guess passwords.

Consider this,in addition to single words ,phrases can also be easy to remember.Manbe it's a favorite song lyric or quote.An example is "Jack and Jill went up the hill".That's easier to remember ,right?Well,your password is there.It's the first letter of each word.In this example ,these would be your passwords.That's not something that easily guess.Here's why.First ,it's not in a dictionary.This makes guessing at harder.There are about 60,000  words in English.A computer can test up the words pretty quickly.So don't use them.But there is more.This passwords can still be stronger by adding upper-case letters ,numbers or special characters.So now this is a very strong password.But there are still risks.

If you write it down , be careful where it keeped.Be away that someone can look up your shoulder or find it in your trash.Give it to a loved one is also risky.They may not be as cautious as you are.Only you should know password.Criminals may also try to fool you into handing it over your phone calls.Never tell anyone your password over the phone and be careful when you get  email that asks for your password .It could be a scam.

To held avoid problems ,don't use the same passwords everywhere.That's like having one key that unlocks everything you own.The stakes are high if you lose it.Also be careful if you use computer that's not yours.Let's say you check email using a computer in the store, library or computer lab.You log again check email and walk away.

The next person to use the computer now has access to your email account and all the information in it.Always remember all to logout of each you vistit on a computer that isn't yours.Passwords are the central part of life online.And if you are not careful about keeping them secret ,they can cause big problems.My understanding the risks and making passwords stronger, we can feel a little more secure.
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