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Free antivirus software is an excellent choice if you only need basic protection. However they don’t offer the same level of protection that paid-for solutions. Free antivirus software is typically highly rated by independent labs such as AV Test or AV Comparatives for its malware detection rate. However it doesn’t come with the features typically found in premium solutions. These extras, like network threat protection, usage profiles, a VPN, password managers and parental controls, are crucial to complete online security.
Additionally, free antivirus software may not be updated at the same rate as paid ones and this leaves a window of opportunity for spickandspan malware to evade detection. Most free antivirus software rely on signature detection. This involves looking at malware samples against strings of characters that are associated with known attacks. This method is effective when attackers use the same patterns. However sophisticated hackers are employing methods that are unique enough to avoid detection.
Be aware of the terms and conditions of use for a particular anti-virus program. Most free software is licensed for personal use, and could not be suitable to business users. Furthermore, some free software might contain software that could be categorized as spyware or adware, so they should always be downloaded with caution. Paid solutions however tend to be supported by guarantees and warranties that outline what rights the user has to in the event in the event of a breach or infection.