I'm wracking my brains trying to think of representing Single Sign On iconographically. Is there a common way this is done?
closed as too localized by Patrick McElhaney Dec 8 '11 at 14:21
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The trend is definitely lock or keys for the obvious relation to security. I've seen some icons with an hand or an eye to recall finger print or eye recognition. Finally, I found some icons with an open door. But those are trends. I guess you can use an icon that will reflect the underlying service of signing you would use or if your brand is selling SSO solutions, you use your brand identity.