"Secure passwords" and "passwords strength".

1. Think about 5 services you use with a password.

Facebook, Instagram, Twitter, Gmail and Snapchat.
2. 6 recommendations to create secure password.

Make a long password.
    Make a password with numbers and letters.
    Mix capital letters and lowercase letters.
    Put a password that you never forget.
    Don´t put your name or similar things.
    Don´t put the same password for all your accounts. 
3. What is a password manager? Adventages and disadvantages.

 Is a software application or hardware that helps a user store and organise passwords.

Advantages: with this you don´t forget your passwords because you only have to learn one, the others will be in the application.

Disadvantages: if someone enter in this aplication he can enter in all your accounts.

4. Which were the most common passwords used in 2017?

·         123456

·         Password

·         12345678

·         qwerty

·         12345

·         123456789

·         football

·         1234

·         1234567

·         baseball

5. Write 5 strong passwords. Check the strength here:

HoLaQuEtAlEsTaS------------------------44 MILLION YEARS

@N@!S@NTUÑ@----------------------------9BILLION YEARS

TuPrIm@L@CoJ@12---------------------------204MILLIONYEARS

Cocoygustavo19----------------------------5 thousand years
6.Two-step verification. What is it?

Is a method of computer access control in which a user is only granted access after successfully presenting several separate pieces of evidence to an authentication mechanism – typically at least two of the following categories: knowledge (something they know), possession (something they have), and inherence (something they are).