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COLUMBIA (WACH/AP) -- State police are investigating the defacement of a South Carolina state agency website.

The Department of Employment and Workforce said Thursday that the agency was also discontinuing the use of certain software. On Dec. 22, an image appeared on the agency's website claiming, "This site was hacked."

The agency says no sensitive data was exposed. Department spokeswoman Adrienne Fairwel says the defacement, which is similar to graffiti on a wall, happened on about 12 other websites nationwide.

The State Law Enforcement Division is also playing a role into the investigation of a massive hack of the state Department of Revenue in September. That breach exposed 3.8 million Social Security numbers, 3.3 million bank account numbers and information belonging to nearly 700,000 businesses.

SLED says it's unaware of any connection between the website hacking and the data breach at the Department of Revenue.

(The Associated Press contributed to this report.)