Hackers breach the Warsaw Stock Exchange

Hackers breached the Warsaw Stock Exchange Thursday, exposing login credentials for dozens of brokers in apparent retaliation for the bombing campaign against the Islamic State in Iraq and Syria (ISIS).

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“Today we HACKED Warsaw Stock Exchange! It’s just a beginning of the FIGHT against those who’re bombing our Homeland! To be continued! Allahu Akbar!” said a poster on Pastebin, a frequent repository for hacked content.

Polish news outlets report the Warsaw Stock Exchange had confirmed the breach, stating that hackers made off with internal data in addition to the information posted online.

The exchange did not respond to requests for comment.

The poster, JAN_URBANOWICZ, put up the email, login and password information for 41 people it claimed were stock brokers.

Information about employees from well-known Wall Street firms Bank of America, JPMorgan and Morgan Stanley appeared alongside overseas banks such as Credit Suisse.

When contacted, the companies said they were just starting to hear about the breach and had not yet confirmed the validity of the exposed information.

Four New York Stock Exchange employees also showed up on the list. A spokeswoman did not immediately return a call seeking comment.

In late September, the FBI cautioned law enforcement and companies to be on the lookout for cyberattacks in retaliation for the U.S. airstrikes against ISIS. Poland has been a strong supporter of the campaign against the group.

The FBI had seen “nonspecific and probably aspirational threats made on social media platform to carry out cyber as well as physical attacks in response to the U.S. military presence in the Middle East,” according to a bulletin leaked to NBC.

The Warsaw attack is just the tip of the iceberg, the self-proclaimed hacker bragged.

“All the Governments That joined the bombing of the Islamic State are our targets now. Europe, your peaceful life is over.”