Avast Premium Security - Avast Premium Security When it comes to cyber security, Avast is among the most respected names out there, and for good reason. Their numerous products offer users complete protection from online threats like viruses, spyware, and more. As malicious software tend to get better at circumventing security measures, our defenses must improve as well. With Avast Premium Security, users will be even more protected thanks to the new security features Avast has added to counter the constantly evolving threats to the user’s online safety.