<ul><li>Microsoft credited with spotting sophisticated Chinese hack that hit telecoms including T-Mobile.</li><li>Microsoft security researchers detected unusual activity, leading to a secret investigation into the hack.</li><li>T-Mobile CEO initially doubted the hack but sent a deputy to a White House meeting regarding the attack.</li><li>Microsoft appeals for stronger cybersecurity measures and invests more in cybersecurity efforts.</li></ul>

Microsoft credited with spotting sophisticated Chinese hack that hit telecoms including T-Mobile

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