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Correction

A headline with this story originally misrepresented the target of the hack. The headline has been corrected.

A security breach has affected hundreds of thousands of jobseekers who used an employment website offered by the Oklahoma government.

Hackers were able to pull names, birthdays and Social Security numbers of more than 430,000 people who signed up for OKJobMatch.com, a site that connects employers and people looking for a job.

Oklahoma users will be notified next week whether their account information was compromised, and a call center will be set up to answer questions.

"If you've accessed the site, then you're probably vulnerable," said Shelly Zumwalt, a spokeswoman for the state agency that announced the breach.

A similar breach also targeted Delaware's Job Link database, affecting more than 200,000 people. The database is managed by Kansas-based America's Job Link Alliance, which also operates jobs software for Alabama, Arizona, Arkansas, Idaho, Illinois, Kansas, Maine, Oklahoma and Vermont.

The Associated Press contributed to this report.