Hindi best pero para sa akin yung top tier antivirus, Bitdefender (super strict), Eset Nod32. Kung free naman AVIRA. Magandang mag supplement ng 𝐌𝐚𝐥𝐰𝐚𝐫𝐞𝐛𝐲𝐭𝐞𝐬 (good for blocking site / malware). Pero yung best antivirus is to exercise with caution in downloading and running software.