Verizon Wireless is looking into possible security breaches at two retailers that use its technology, according to a report in the Wall Street Journal.
Verizon did not name the two retailers, but the WSJ reports the retailers involved were notified by Verizon's investigative team last week.
Right now, there are a lot of concerns that such large networks are vulnerable since Target's massive credit card hack late last year.
Related: Target breach ushers in new world of data security
MORE: Data breach takes toll on Target profit
Target hackers were able to infiltrate the company's system by stealing the credentials of a refrigeration contractor and inserting software that stole the data of 40 million credit and debit cards.
The Wall Street Journal's source with Verizon's investigative team says the team looking into these breaches in also investigating Target's breach and says the earmarks of the breaches look "very, very similar."
-TARGET DATA BREACH:
-OTHER DATA BREACH REPORTS:
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