(UNDATED) - Community Health Systems, which operates 206 hospitals across the United States, announced on Monday that hackers recently broke into its computers and stole data on 4.5 million patients.
Hackers have gained access to their names, Social Security numbers, physical addresses, birthdays and telephone numbers.
Anyone who received treatment from a network-owned hospital in the last five years -- or was merely referred there by an outside doctor -- is affected.
The large data breach puts these people at heightened risk of identity fraud. That allows criminals open bank accounts and credit cards on their behalf, take out loans and ruin personal credit history.
The company's hospitals operate in 28 states, including Indiana.
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