Do you meet the same problem?
"I saw a pop-up comes on my Firefox frequently. It says my computer may have spyware or adware, and suggests me to call 844-250-7259 for help. I did not have any anti-virus program, is this pop-up by Windows? Do I have to call the number?"Know about privacysecurity.info Pop-up
Privacysecurity.info pop-up is a malicious page, you can't believe a word from it. It offers bogus detected report and mislead users to call the fake help line, so that it can promote related removal tools and services. What's more, it can probably bring trojans. Victims who try to pay the bills online will suffer great loss.
This malicious pop-up comes because your browsers settings are modified. You browsers can be infected if you had visited malicious page like dubious ads on porn sites. It is necessary to stop the pop-ups and reset your browsers completely.