The Houston Chronicle reports that the entire Web site system of Texas' Round Rock Independent School District has been taken down after hackers posted obscene messages on several pages.

The hackers claimed on Hackforums that the user name for the system was "admin" and the password was "admin1" -- "idiots used default login/pass," they wrote.

"We have a third party managing the site (SharpSchool) and we have instructed them to take their time getting everything back up and running," Round Rock Independent School District executive director JoyLynn Occhiuzzi told the Chronicle. "We want them to pull everything together and protect as much information as possible about how this happened so we can make sure it doesn't happen again."

"It's disappointing that someone would take the time to hack into our Web sites, but on a positive note it was late at night at the weekend," Occhiuzzi added. "We are grateful it didn't happen during the day in a busy full time work week."

The school district says no student data was compromised as a result of the breach.

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