To get access to the Azure Advisor,
a) Logon to the Azure Portal
b) Search for "Advisor"
c) Azure Advisor provides the list of recommendations based on five categories.
d) Below is the list of recommendations based on security on the services configured within the Azure Subscriptions.
e) Similarly if your subscriptions use any Azure Service in a cost ineffective way then Azure Advisor can advise you with recommendations for the same.
Here is the list of cost recommendations. Similarly you can get recommendations on your Database Services also used within Azure.
f) You can also set up Alerts to monitor the recommendations that matter for you.