By Ravie Lakshmanan
Australian telecom giant Optus on Monday confirmed that nearly 2.1 million of its current and former customers suffered a leak of their personal information and at least one form of identification number as a result of aΒ data breachΒ late last month.
The company alsoΒ saidΒ it has engaged the services of Deloitte to conduct an external forensic assessment of the attack to "understand how it