Attempt of identity theft or spyware bots attack
I have a MacBook Pro with OS X 10.9.5 While on Safari 7.1.3 a message box popped up that said "Windows Security Essential Detected an Attempt of identity theft or spyware bots attack from this computer. All attempts to quarantine the threats failed. Please Contact Microsoft Live Support at 1-833-275-9203 TOLL FREE". The address at the top of the box was www.articinteriors.com
Does anyone know if this is a legitimate message? I have no idea what to do. Thanks so much for your help.
MacBook Pro, OS X Mavericks (10.9.5)