Microsoft Accuses DSIRF of Creating Malicious Software, Firm Says Subzero Was for Official Use in EU

Microsoft has accused an Austrian firm DSIRF of creating malicious software ‘Subzero’. The firm was accused of using Subzero as a spying tool in at least three countries. However, DSIRF says the software was for official use in EU states only, and not offered or made for commercial use. The firm is also investigating the claims.