Saudi hackers claimed Monday to have published the credit card details of 400,000 Israelis.
card companies said only hundreds of authentic card numbers were
published in reality.
Hackers hit US security think tank's website
The hackers published the list of cards, names and other personal details on the One sports website, which was hacked.
The hackers published a 30 megabyte file containing the details.
Israeli credit card companies have urged
their customers to remain calm, and said they are taking all the required
steps to secure credit accounts.
Visa CAL announced that it would suspend all accounts that were detailed in the post. The company said it would contact the affected customers Tuesday and issue them new credit cards.
The Bank of Israel announced it would review the matter.
According to Army Radio, the hackers encouraged readers to use the information posted online to make purchases, and said they would continue to publish more account information already in their possession.
The hackers also published details of tens of thousands of Jews living around the world, Maariv reported.
Some reports have suggested that the figures were stolen from coupon websites. Many of the credit card figures repeat themselves.