She served as co-head of Morgan Stanley's foreign exchange department from 1993 to 2000, and until her promotion to co-president in 2006, ran one of the largest trading desks on Wall Street.

FORBES: 'Cruz Missile' Out At Morgan Stanley

But the bank, now known as BNY Mellon, told the BBC that, while Mr Secker had been a vice president there, he had actually worked in their IT department in foreign exchange operations, reporting to a senior manager there.

BBC: 'Get rich quick' seminars put to the test

The Justice Department and the Securities and Exchange Commission have not hesitated in pursuing Foreign Corrupt Practices Act cases against companies involved in such conduct.

FORBES: Ralph Lauren Outed Its Subsidiary's Bribery and Set an Example for All

The U.S. Treasury Department announced it had put sanctions on North Korea's primary foreign-exchange bank in response to Pyongyang's nuclear test last month.

WSJ: Pressure Rises on Korean Peninsula

In March, 2011, Sands disclosed that it was being investigated by the Department of Justice and the Securities and Exchange Commission for potential violations of the Foreign Corrupt Practices Act.

NEWYORKER: The God of Gamblers

The attacks temporarily crippled multiple systems including those of the National Security Agency, Homeland Security Department, the South Korean Foreign Ministry, the Nasdaq and the New York Stock Exchange, and The Washington Post.

CENTERFORSECURITYPOLICY: Numbering the days of dictators