Two plaintiffs have filed a class action lawsuit against comScore, one of the leading companies of tracking online traffic. The suit claims comScore unlawfully pulls information such as credit card numbers, social security numbers and passwords from unsuspecting customers. It seeks to stop these alleged practices, as well as collect damages for customers whose rights have been violated.

ComScore pulls data from customers when they download free software or enter contests online, then sells that data to various businesses, including Facebook and Yahoo Inc. But in doing this, the suit claims comScore accesses all files on a customers' computers, as well as those of others on the same network—collecting all available data.

ComScore denies any wrongdoing.

“We have reviewed the lawsuit and find it to be without merit and full of factual inaccuracies,” comScore spokesman Andrew Lipsman told Reuters. “ComScore intends to aggressively defend itself against these claims.”

Two plaintiffs have filed a class action lawsuit against comScore, one of the leading companies of tracking online traffic. The suit claims comScore unlawfully pulls information such as credit card numbers, social security numbers and passwords from unsuspecting customers. It seeks to stop these alleged practices, as well as collect damages for customers whose rights have been violated.

ComScore pulls data from customers when they download free software or enter contests online, then sells that data to various businesses, including Facebook and Yahoo Inc. But in doing this, the suit claims comScore accesses all files on a customers' computers, as well as those of others on the same network—collecting all available data.

ComScore denies any wrongdoing.

“We have reviewed the lawsuit and find it to be without merit and full of factual inaccuracies,” comScore spokesman Andrew Lipsman told Reuters. “ComScore intends to aggressively defend itself against these claims.”