Microsoft CEO Satya Nadella.Drew Angerer/Getty Images; Chelsea Jia Feng/BIMicrosoft plans job cuts targeting underperforming employees.The reductions are happening across the company, including in its important Security division.Performance-based cuts are often backfilled by Microsoft, so total headcount may not change much.Microsoft is planning job cuts soon and the company is taking a harder look at underperforming employees as part of the reductions, according to two people familiar with the plans.A Microsoft spokesperson confirmed cuts, but declined to share details on the number of employees being let go."At Microsoft we focus on high performance talent," the spokesperson said.