Microsoft CEO Satya Nadella.Stephen Brashear/Getty ImagesMicrosoft told customers that a software bug caused inconsistent collection of log data.The bug affected key security products, including Microsoft Sentinel and Entra.Microsoft has been saying recently that security is its top priority.Microsoft is telling customers that it failed to consistently collect log data for several important cloud services, according to an update viewed by Business Insider.A log is a record of events within a program, such as account sign-ins.