51.   Among the most prevalent products were security programs designed to protect individuals and corporations from online marauders.

52.   And although Ms. Luna, the community board member in Washington Heights, says she feels more secure, she realizes that the security is fragile.

53.   An asset-backed security is a financial instrument created by combining similar assets, such as automobile loans.

54.   And if the president is in the White House, security is tighter than when he is away.

55.   And if the securities were to be resold in the United States, they would have to be registered anyway, so U.S. investors would be protected.

56.   And J.P. Morgan Chase is leading an effort to securitize private equity, in much the way that mortgage-backed securities are packaged and traded.

57.   And now comes Mueller with his big blue charts, acting as though national security is a marketing problem.

58.   And security is not a new concern, Field said.

59.   And the account includes a money market fund, which brokers debit when securities are bought.

60.   And there are similar securities called global depository receipts that can be listed on stock exchanges in other financial centers, like London.