Virus coming thick and fast

[REDACTED]

This is not confined to Avast Business Cloud - but that's what I'm using so ..

The Virus are coming faster than the Antivirus can keep up

In the past few days the word documents come out different every day, usually I submit them through the https://www.virustotal.com/, and progressively the AV's pick them up through the day as others report them etc.

Avast is in the top 10 usually - but there is around a 4-6 hour window of exposure, and that has meant in the last week, that 100's of viruses go into mailboxes before scanning become effective - that has happened today and yesterday (and before - but definitely)

Again - this is not just Avast and - this is just a comment - not a criticism - but the game is changing

This is the latest one: https://www.virustotal.com/en/file/5f79cfde5cd5594f685840e59463d93212c462c1dc3e1e86951d8a9b79c578d8/analysis/

[Eddy]

And where is the prove about what you are claiming ?

Fact is that (new) real computer viruses haven't been found for many years.
For many years the bad guys are using other methods.
Guess why developers of anti-malware software are removing the detection for them...

but there is around a 4-6 hour window of exposure

There always will be a time period in which systems can get infected.

It is not possible to create a cure for a disease that isn't known.

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Many corporate environments reject attachments like Word documents for the very reason you describe.  Multi-level defense is of course what is needed; from AV, to spam filtering mail with attachments, to disabling macros by default in Word; all the layers work together to provide a good defense.  Not to mention common-sense in only opening attachments you are expecting and trust.   

The size and style of business environment you have will dictate the way you defend your organization.  If you don't commonly share Word documents externally, maybe consider a spam filter to strip them out before they even reach the mailbox.  If you do expect incoming documents, have a whilelist of addresses you consider safe senders and junk the rest. 

Big 24/7 companies pay BIG BUCKS for enterprise solutions because they can do things like hourly fast-tracked signature updates and other technologies.