1.   Already this year the FBI has warned that Russian and Ukrainian hackers are targeting American sites for e-commerce and e-banking.

2.   Barney says computer hackers targeted his Los Angeles-based PR firm, Nina Stern Public Relations Co., and inserted the naughty language into the news release.

3.   Experts said that protection against such attacks starts by protecting computers that may be targeted by hackers.

4.   In particular there is little agreement among software security specialists on just how to classify the sections of computer code that are often targeted by hackers.

5.   This makes it hard for a hacker to target you.

6.   U.S. hackers have also targeted Chinese government sites.