U.S. officials have largely ruled out North Korea as the origin of a computer attack last July that took down U.S. and South Korean government websites.
But, authorities aren’t much closer than they were a year ago to knowing exactly who did it, or why.
Early analysis of the fast-moving “denial of service” attacks pointed to North Korea since code used included Korean language.
Experts say agencies are better prepared today, but that many government and business sites remain vulnerable to similar attacks.
How the US Mint and NIST are perfecting the money-making process.