Microsoft is becoming a member of cybersecurity device company CrowdStrike in preventing again in opposition to Delta Air Strains, which blames the firms for inflicting a number of thousand canceled flights following a generation outage final month. A legal professional for Microsoft stated Tuesday that Delta’s key IT gadget is most probably serviced through different generation firms, now not Microsoft Home windows.“Your letter and Delta’s public feedback are incomplete, false, deceptive, and harmful to Microsoft and its popularity,” Microsoft legal professional Mark Cheffo stated in a letter to Delta lawyer David Boies.Cheffo stated Microsoft used to be seeking to resolve “why different airways had been ready to totally repair trade operations such a lot quicker than Delta.”The feedback constitute an escalating struggle between the tech firms and the Atlanta-based airline.Delta CEO Ed Bastian stated final week that the worldwide generation outage that began with a inaccurate improve from CrowdStrike to machines operating on Microsoft Home windows price the airline $500 million. Bastian raised the specter of criminal motion.On Tuesday, Delta stated it has a protracted document of making an investment in dependable provider together with ”billions of greenbacks in IT capital expenditures” since 2016 and billions extra in annual IT prices. It declined additional remark.CrowdStrike has additionally disputed Delta’s claims. Each it and Microsoft stated Delta had grew to become down their provides to lend a hand the airline get well from the outage final month. Microsoft’s legal professional stated CEO Satya Nadella emailed Bastian all the way through the outage, however the Delta CEO by no means responded.