NEWARK, N.J. (AP) — The latest on charges against Ukrainian hackers accused of working with American securities traders to hack into the computer systems of companies that publish news releases and trade on the information (all times local):

6 p.m.

Two men accused of being part of an international web of hackers and traders that sneaked looks at corporate press releases before they were published and then traded on that information have appeared in court in Atlanta to face fraud charges.

Arkadiy Dubovoy and son Igor Dubovoy appeared Tuesday before a federal magistrate judge. The judge read the charges against them, including wire fraud and securities fraud. The judge informed them they'll have to face the charges against them in New Jersey.

Family members and defense lawyers have declined to comment.

The Securities and Exchange Commission says trading in the father's brokerage accounts made $11 million in illicit profits. It says the son helped him run a brokerage services business.

An SEC lawsuit names 17 people living in the United States, Russia and Ukraine and 15 companies in the U.S., Russia, France, Cyprus and Malta.

The SEC is seeking fines and restitution.

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1:30 p.m.

The U.S. Securities and Exchange Commission has brought civil charges against nine people accused in a $100 million insider trading hacking scheme as well as 23 other people and companies.

Nine people are charged in federal court in New Jersey and New York City with hacking into three business news wires to use information not yet made public to generate approximately $30 million in profits.

The SEC's lawsuit lays out a sprawling network of hackers and traders stretching from the U.S. to Russia and Ukraine, France, Malta and Cyprus, accused of colluding over five years.

The suit names 17 individuals living in the U.S., Russia and Ukraine, and 15 companies in the U.S., Russia, France, Cyprus and Malta.

The SEC is seeking unspecified fines and restitution.

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12:35 p.m.

Federal prosecutors are calling an insider trading hacking scheme an unprecedented international conspiracy of Internet skills and Wall Street smarts.

Nine people are charged in federal court in New Jersey and New York City with hacking into three business news wires to use information to generate approximately $30 million in profits over a nearly three-year period.

Authorities said Tuesday that it's the largest scheme of its kind ever prosecuted.

The defendants are accused of trading on information before more than 800 press releases were released to the public.

Five defendants were arrested Tuesday. Arrest warrants were issued for four others in Ukraine.

The defendants are charged with wire fraud conspiracy, securities fraud conspiracy, securities fraud and money laundering conspiracy.

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11:45 a.m.

Federal prosecutors unsealed an indictment in New York against four men they say took part in a scheme to break into the computer systems of companies that put out corporate press releases and trade on the information before it was made public.

Prosecutors charged Vitaly Korchevsky, of Glen Mills, Pennsylvania; Vladislav Khalupsky, of New York City and Ukraine; Leonid Momotok, of Suwanee, Georgia; and Alexander Garkusha, of Alpharetta, Georgia. It wasn't immediately clear if the men had attorneys to comment on the charges.

Prosecutors say they took part in the scheme to use information stolen from PR Newsire, Business Wire and Marketwired.

Five people named in an unsealed indictment in New Jersey include two people described as Ukrainian computer hackers and two securities traders from Alpharetta, Georgia.

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11 a.m.

Officials plan to discuss charges against a group of Ukrainian hackers who they say worked with securities traders to make $30 million by breaking into the computer systems of companies that publish news releases about publicly traded companies and trading on the information before it was made public.

Federal prosecutors in New Jersey and New York City, the Department of Homeland Security secretary and the chairwoman of the Securities and Exchange Commission will appear at a news conference in Newark at 11:30 a.m. Tuesday.

Authorities say the group gained access to PR Newswire, Business Wire and Marketwired. Caterpillar Inc. and Align Technology were among the targets.

Five people named in an unsealed indictment include two people described as Ukrainian computer hackers and two securities traders from Alpharetta, Georgia.

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9:30 a.m.

Federal prosecutors say Ukrainian hackers worked with securities traders to make $30 million by breaking into the computer systems of companies that publish news releases about mergers and acquisitions.

According to an indictment unsealed Tuesday, the defendants gained access to news releases and traded on the information in them before they were made public.

Federal prosecutors in New Jersey and New York City, along with Homeland Security Secretary Jeh Johnson and Securities and Exchange Commission Chairwoman Mary Jo White, will discuss the case during a news conference Tuesday in Newark, New Jersey.

An indictment against five people was unsealed in Newark on Tuesday morning, and another was filed under seal in Brooklyn, New York.

The five include two people described as Ukrainian computer hackers and two securities traders from Alpharetta, Georgia.

Prosecutors allege the scheme started in February 2010.