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Attackers can use the "Covert Redirect" vulnerability in both open-source log-in systems to steal your data and redirect you to unsafe sites.
The microblogging site says no accounts have been compromised after a hacker claims to have acquired user details by allegedly breaking into its databases.
The standard grew too far away from its roots as a simple Web authentication technology, author Eran Hammer-Lahav says, and now is insecure and overly broad.
The link-shortening service issues an “urgent security update” saying that it has disconnected users’ Facebook and Twitter accounts because of a probable breach.
Messages sent by hundreds of accounts testify to dramatic weight loss and link to same suspicious site pedaling diet pills.
Google's social network-powered sign-in system gives developers more nuanced options when asking for user permissions.
Microsoft adds IMAP and OAuth support to its Outlook.com email service, providing what it says is a "richer email experience across devices and apps."
Missing from its first months in beta, Mozilla's Persona Web site log-in system now adds Gmail to its list of sign-in credentials you can use.
Changing course from earlier this year, Google takes a more developer-friendly stance on two of its calendar APIs.
Twitter just got it. Apple recently got it, too. Google, Microsoft, Facebook, and Amazon have had it for a while. But why's two-factor authentication important, and will it keep you safe?