Telus says it is investigating hack of its systems | ReutersSkip to main contentExclusive news, data and analytics for financial market professionalsLearn more aboutRefinitivA sign for Telus Communications in Toronto, Ontario, Canada December 13, 2021. REUTERS/Carlos Osorio Purchase Licensing Rights, opens new tabMarch 12 (Reuters) - Canadian telecommunications and business services firm Telus (T.TO), opens new tab is investigating a cybersecurity incident involving unauthorized access to some of its system ...