IBM, Tata Consultancy Services, NTT Data and at least five other IT service providers were systematically targeted by a China-backed hacking ring over the past few years, Reuters reports, quoting unidentified sources. The hackers used the IT services companies to enter the networks of their top western clients, steal intellectual property and compromise corporate data. China has denied any association with the attack, dubbed Operation Cloud Hopper, while IBM, TCS and NTT Data didn’t offer any comments to Reuters.
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