QTS_Unit 4_Question 2

A strong password is one that you cannot guess or crack using a Brute Force attack . Hackers use computers to try different combinations of letters, numbers, and symbols to find the right password. Modern computers can crack short passwords consisting of only letters and numbers in seconds.

As such, a strong password consists of a combination of upper and lower case letters, numbers, and special symbols, such as punctuation marks. They should be at least 12 characters long, even longer the better.

Overall, here are the key characteristics of a good, secure password:

At least 12 characters long. The longer the password – the better.

Use upper and lower case letters, numbers, and special symbols. Passwords that include mixed characters are harder to crack.

Does not contain easy to remember keyboard sequences.

Not based on your personal information.

The password is unique for each account you have.

Here are six tips to help you set a password that’s strong enough and still easy to remember:

  1. Use your favorite book

Turn any page, choose any word as password. For example, word “consistent” is on page 289, word 4 of line 21 -> you will have password “289consistent421”. Applying a little strong password rule, you should have an “impressive” password like “2%9c0nsist3nt42!”.

  1. Game with vowels

Pick any sentence, remove the vowels, put them behind, and you will have a password that looks random and is still easy to remember. For example: “homnaytroinang” -> “hmntrnngoayoia”. Add strong password rule, for example “hMntr2ng0ayoia”.


  1. “Draw” the password on the keyboard


Password string “werf345tjkl.” It looks very mysterious, doesn’t it? Take a look at the keyboard to see that they are actually 3 identical drawings. Add a little strong password rule to become “vvErf3four5tjkl.”.

  1. Use the first letters of a sentence

The first letters of the sentence “khongcogiquyhondoclaptudo” will become a very difficult password to guess “kcgqhdltd”. Add strong password rule to become “kcGqh%dltd21”.

  1. Mix words

Still based on a simple password, try mixing them together. For example “conbo” and “ngoinha” can combine to form “cnognobionha”. Turn this password into a strong password “cNogand*ob1onh%a”

  1. Reverse the alphabetical order

Instead of writing an overly simple password “toidihoclop1”, reversed, you will have a much more complex password “1polcohidiot”. And make it a strong password “1pOlc0hid&iot**”

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