The recent cyber theft of millions of personnel records from the federal government was sophisticated and potentially crippling, but hackers with just rudimentary skills could easily do even more damage by targeting voting machines, according to security experts. In many cases, even the electronic ballots could be manipulated remotely, according to a new report. The report found that the AVS WINVote machines Virginia has used since 2002 have such flimsy security that an amateur hacker could change votes from outside a polling location. “This means anyone could have broken into the machines from the parking lot,” said Cris Thomas, a...