Benefits of updating antivirus software

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There are also dedicated hardware appliances that act only as firewalls, and there is software that can be installed on PCs to act as a firewall as well.

Recent versions of Windows include a built-in software firewall.

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As a result, every so often I get push-back – often angry push-back – that Windows Defender remains my primary recommendation.

Like a human virus, a virus makes the infected computer “sick”: it causes poor performance, crashes, lost files and data, or more.

Also like a human virus, a computer virus replicates itself.

Aesir (Locky) virus is distributed through spam emails same as other variants of ransomware.

Below is an email that is infected with a randomware such as Aesir (Locky) virus.

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