Excerpt:

A protest group that claimed responsibility for a wave of digital attacks on big U.S. banks in the fall -- including Pittsburgh-based PNC Bank -- apparently has PNC in its crosshairs again.

The al-Qassam Cyber Fighters said in an Internet posting that the group planned a second round of attacks this week on PNC and four other banks -- JPMorgan Chase, Bank of America, U.S. Bank and SunTrust.

This afternoon, PNC started having problems with its website.


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