Updating antivirus signatures

04-Mar-2020 22:42 by 6 Comments

Updating antivirus signatures

In the anti-virus software, the virus signature is referred to as a definition file or DAT file.

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Messages are recorded to the event log indicating whether or not the update was successful or not.

Updating antivirus definitions can cause a very short disruption in traffic currently being scanned while the Forti Gate unit applies the new signature database.

It’s also true that if you disable the updates or have computers that are constantly offline and not connected to the internet for long periods or at all, the virus definitions will get badly outdated in no time and your computer becomes more vulnerable.

Also, the situation could be that you can’t get on the internet during or after a malware attack to update the antivirus signatures.

Schedule updates when traffic is light, for example overnight, to minimize any disruption.

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New viruses are being created and released almost daily, which forces anti-virus software to need frequent updates.

While it might be fine for most users, letting your antivirus package update itself every few minutes isn’t great if you have a very small limit on your internet connection or it’s not very fast and constant updates are eating up your bandwidth, such as when using a mobile dongle on your laptop for example.

Fortunately for most of us, many of the antivirus companies provide offline virus definition signatures so you can download them from another computer and then manually install the updates on computers with a limited or no internet connection at all.