Google applications were offline Monday morning due to an authentication system outage. (Originally appeared on Flickr by brionv/CC BY 2.0)

A number of Google applications were offline Monday morning due to an authentication system outage, the technology giant confirmed.

The outage Monday morning caused a stir among security experts, wondering whether the incident might have ties to a major hacking event over the weekend that resulted in breaches at both the Treasury and Commerce departments.

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