Sec cyberattacks

John Ramsay, deputy director of the Securities Exchange Commission's Division of Trading and Markets; Mark Van Der Weide, associate director of Federal Reserve Board's Division of Banking Supervision and Regulation; David Wilson, senior deputy comptroller and chief national bank examiner in the Office of the Comptroller of the Currency, prepare to testify before a House Financial Services Committee Oversight and Investigations Subcommittee hearing on 'Oversight of the Credit Rating Agencies Post Dodd-Frank' on Capitol Hill In Washington, DC on July 27, 2011.