Prevent the cookie being stolen

Set HTTP only:
There are a couple of ways to ensure that cookies are sent securely and are not accessed by unintended parties or scripts: the Secure attribute and the HttpOnly attribute.

Set-Cookie: id=a3fWa; Expires=Wed, 21 Oct 2021 07:28:00 GMT; Secure; HttpOnly 


Set security cookie flag:

web.xml

Servlet 3.0 (Java EE 6) introduced a standard way to configure secure attribute for the session cookie, this can be done by applying the following configuration in web.xml

<session-config>
  <cookie-config>
  <secure>`true`</secure>
  </cookie-config>
</session-config>

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