06/17/2015 14:45 EDT | Updated 06/17/2016 01:12 EDT

Canadian government websites cyberattacked, federal minister says

OTTAWA - A senior federal cabinet minister says Canadian government computer servers have been cyberattacked.Treasury Board President Tony Clement tweets that until full service is restored, the public should use 1-800-OCanada.The message comes after some had difficulty accessing certain government websites.Denial-of-service attacks are a common means of shutting down a web server.The Anonymous online collective posted a video on YouTube claiming responsibility for the attack as a protest against the recent passage of the federal anti-terrorism bill.There was no immediate confirmation of the claim.Follow @JimBronskill on Twitter