Microsoft added, malicious software used in a cyber attack is very similar to those experienced by Facebook and Apple recently. Microsoft gave few other details about the break-in, "We have no evidence of customer data being affected and our investigation is ongoing."
“During our investigation, we found a small number of computers, including some in our Mac business unit that were infected by malicious software using techniques similar to those documented by other organizations. We have no evidence of customer data being affected and our investigation is ongoing,” Microsoft said.
"This type of cyber attack is no surprise to Microsoft and other companies that must grapple with determined and persistent adversaries," the company said.