I think someone has accessed my Yahoo account
Here are some signs that someone else may be using your account
Your Yahoo Mail account has been sending spam
There are emails in your Sent folder that you didnt' send
You send messages but aren't getting any replies
Your account log shows strange login activity
Account information has been deleted or changed without your approval
If you see any of these symptoms, change your password!!
Start from the Yahoo home page
Click your name
Or start from another Yahoo page
Click the gear icon
Select Account Info
You may be asked to re-enter your password
If so, type your current password and click Sign In
Now you can see your account information
Click Account security
Click Change password
Enter your new password
Your new password must be between 8 and 32 characters long
It cannot be a single character repeated and cannot contain your name or your Yahoo ID
It cannot be the same as or similar to a password you've used before
Don't use the same password that you use on another site!
Enter your new password again to confirm it
Secure your account
Verify your account recovery information
Is this information correct for your account??
Yes? Then no problem!
No? You need to fix it!
Be sure there's at least one mobile device associated with your account so we can send you a text message if you need help
Add valid numbers
Delete any incorrect or obsolete numbers
Also be sure that your alternate email information is correct
These should be non-Yahoo addresses where you can receive email in case you can't access your Yahoo Mail account
Add valid addresses
Delete any invalid email addresses
Keep your account secure in the future
Update your password and account information frequently
Consider enabling on-demand passwords