Hey i dont know how to change my security password . i forgot my password

Per Yahoo:

Change your Yahoo password

1. Go to the Yahoo Account Information page.
2. Enter your Yahoo ID and password, then click Sign In.
3. Under "Security," click Change your password.
4. Enter and confirm your new password, then clickContinue.

You're almost done! After you see the message that confirms your password change, just click Continue to finish.
Reset your forgotten password Forgot your Yahoo account's password? Don't worry, just use our Password Helper to reset your password and regain access.
If you need a little more help, select one of the methods below for exact steps to securely verify your identity and reset your password.

Alternate email address

Mobile phone

Secret questions

Here is a link from Apple describing the process:
If you forgot the answers to your Apple ID security questions
If you forgot your password, you would have to contact apple support.
Sorry I could not be of greater help!
Best of luck

strong password gives you a strong defense against hackers. The L0ng3rTh3pA55w0rD is, the stronger it is. Mix in numbers and symbols. Make it tough! You can change your AOL password whenever and as often as you'd like. Here's how:

1. Sign in at password.aol.com. (If you forgot your password, just click Forgot password.)
2. Next, answer your Account Security Question. If you forgot the answer to your Security Question, click Forgot Answer on the Security Question page to reset it. Make the answer to your Account Security Question difficult to guess, too! It's your second line of defense. If you can, use a mix of letters and numbers in the answer to your Account Security Question.
   
3. Click Change Your Password in the General Account Information section.

4.Complete the form: Old Password, and New Password. Re-enter your new password to confirm. The strength indicator will let you know how strong your new password is. Click Save to finish the process.

Yahoo provides stupendous features along with breathtaking security options. It is very easy to secure your account, you just have to follow some instruction if you don't know, and otherwise you can do it yourself.
Yahoo mail password must be 8 digits at least and in a combination of alphabets, digits, and symbols. All these will make your password stronger and unbreakable. Here in this presentation, I have discussed some reasons and the process to change yahoo email password within a time.
I hope it will help you. https://www.slideshare.net/Andrewbrown1234/how-to-change-yahoo-email-password How to Change Yahoo Email Password 1 844 773 9313

You can use the "forgot password" wizard. If the security answer is incorrect, try typing it in different ways, for example without a space.

If you still can't get it to work you can also in the "forgot password" wizard, contact hotmail and they'll assist you in getting your account back by asking questions that only the owner of an email should be able to know.

Go on youtube.com
Click on "signup"
Then click on "Can't access your account?"

Follow the instructions.

i forget my security code(password) now i want to reset that for my nokia 2690 but i dont know the old password. And also i want to know master reset code. Please help me..

on your messenger,click the "forgot my password" the answer some questions you provided during your registration period

I can help you retrieve your master reset code, just sent me your IMEI number.

master code for imei  355397009002339 is  3537356212.
After unlocking it goto security option.Now it will ask you for the password so enter 3537356212.And after entering this no it will ask you for a  new password..that's it enter new password for 2 times and you are done.