AUGUSTA — Maine’s government website is back online after it was briefly down due to an external cyberattack.

Secretary of State Matthew Dunlap said a “denial-of-service” attack caused the website to become briefly inaccessible on Monday. That type of hacker attack occurs when external data requests overwhelm the server that hosts the website.

The website came back online around noon Monday.

Alex Willette, spokesman for the Department of Administrative and Financial Services, says there was no security breach and there is no reason to believe that any personal information was compromised.

He says an investigation into the incident is underway. He says such attacks on government websites are common.

This story will be updated.

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