How to check your MySQL connection is secure

Just run 

status

OR

\s

And see the result.

If this connection is not using SSL, you'll get:

SSL:            Not in use

You can also use:

mysql> SHOW STATUS LIKE 'Ssl_cipher';  +---------------+--------------------+  | Variable_name | Value              |  +---------------+--------------------+  | Ssl_cipher    | DHE-RSA-AES256-SHA |  +---------------+--------------------+  1 row in set (0.00 sec)    mysql>