Cookies and sign-in.
Only what the portal needs
The Plyra portal uses essential security cookies to keep you signed in and protect form requests. Optional analytics and advertising tracking have not been added to this Plyra experience.
Your sign-in session
The secure session cookie lasts up to eight hours. It does not grant access on its own: the portal checks that your individual approval is still current when you view or download restricted material.
Your browser choices
You can clear or block cookies in your browser settings. Blocking essential cookies prevents portal sign-in. For questions, use our contact form or read the privacy notice.