Best Practices: Effective Virus Blocking using SpamSentinel with the Anti-Virus option.



We have written on our Email and Spam Prevention Blog about the need for good anti-virus measures. Some of the recent postings talk about the Popular Virus Subjects this Week
and look at the Increase in Virus Activity with a real-time list of the most current viruses we are blocking to see if a suspicious message matches one that we are already blockng.

We also discuss the variety of reputable firms that are spoofed like some very reputable law firms in Notice to Appear in Court and the severity of the attacks like CryptoLocker ransomware (yes, they hold your computer files for ransom if your don't pay) which is incredibly malicious. We also discuss A spear-phishing attack detailed: Moving from "selling" to "stealing".

Finally, as a last line of defense against missed viruses, we recommend Blocking EXE attachments is working great!



Here are the Best Practices for stopping mail-borne viruses:


Layer 1: Spam Blocking Stops 39% of viruses

Blocks most viruses as "spam" that should be deleted. Most viruses are generated and sent out in large waves of emails, so they exactly resemble spam.

Layer 2: Zero Hour Pattern Detection Stops 42% of viruses

Identifies viruses in the wild before they are "named". The Zero Hour approach does not rely on file scanning but provided malware detection based on identifiable patterns such as Sender IP address and Email distribution patterns.

Layer 3: Traditional Anti-Virus Scanning Stops 15% of viruses

SpamSentinel Antivirus looks specifically at the file attachments to accurately detect viruses based on known signatures to detect Malware hidden in PDF files, HTML and Java scripts, and archive files.

Layer 4: Restricted Attachments Stops 4% of viruses

Stops missed viruses by stopping and quarantining executable files. Most viruses exploit the ability to launch right from the email message. That means they prefer to be executable files (EXE files). New variations are sent every day. Restricting EXE and other attachments is the last layer preventing viruses from entering your organization.





Anti-Virus Checklist

Here is a quick checklist you can download and use to remind those that pay the bills what it takes to have a successful anti-virus strategy.

Here is this checklist as a PDF file for printing:


Anti-Virus Checklist.pdf






 

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