LOS ANGELES (CBSLA.com) — Russian hackers have apparently struck again, this time targeting one of America’s biggest pop stars.

Hackers reportedly hid malware in the Instagram comments of Britney Spears in February, apparently using them to communicate, according to computer experts.

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This may not be the end of it either – experts believe the effort may have been a test run.

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Just like spammers, hackers targeted Spears’ high profile account because the pop superstar has so many followers.

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An antivirus expert said Spears would have had no knowledge that some of the comments on her photo, which was posted in February, were actually coded messages between hacked computers, according to USA Today.