What is support-security-alert.net pop-up
Support-security-alert.net domain page pretends to be a virus report message. It has blue screen and white warning words. What's more, its domain name contain"Support","Security"and "Alert". It says your system health is critical and calling 18444993631 is necessary. Many users are misled to call the offered number, unfortunately they had been taken in a scam.
This message is actually an ad provided by an adware. The so-called threats probably do not exist. If you call the given number, you will be required to purchase its tech support or some removal tool sooner or later.
Such adware come to your browser if you visited sites contain malicious codes or installed questionable freeware. The malicious codes will modify your browser setting and make support-security-alert.net come every time you open your browser. You should rely on reputable AV programs to protect your computer instead of believing in the so-called tech support. The right thing to do is to remove the adware and fix your browser, otherwise the pop-up will keep coming again and again.