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Barracuda Filtering - Malware
Answer ID 9785   |   Last Review Date 01/16/2019

What mechanisms does Barracuda employ to prevent the delivery malware to your CX account?

Environment:

Email Deliverability (EDG), Outbound Emails

Resolution:

Oracle Service Cloud takes advantage of Barracuda’s Real-Time Protection to prevent our customers from being impacted by Malware/Virus delivered by received messages. Barracuda Real-Time Protection is a set of advanced technologies that enables Barracuda Spam Firewalls to immediately block the latest virus, spyware, and other malware attacks as they emerge.

Whenever our Barracuda Spam Firewall receives an email, even if that message has been whitelisted, it will scan that email and all associated attachments for virus (Barracuda Spam Firewalls scan whitelisted emails for virus because any legitimate sender could become infected with a virus and involuntarily begin sending virus emails, and do not apply other policy to whitelisted messages). The Barracuda will first check that message's signature against the local virus definitions (which are updated hourly). If that email message signature does not match a known virus signature, the Barracuda will query Barracuda Central's servers in real time to see whether that email has been found to be a virus since its last virus definition update.

All operating Barracuda Spam Firewalls, which collectively form the largest and most diverse installed base in the industry, frequently query Barracuda Central with email and file attachment signatures. With this information, engineers are able to observe patterns and form hypotheses (based on frequency and growth patterns) about whether specific email signatures were taken from messages containing viruses, spyware, or other malware. Once a particular signature has caught our engineers' attention, Barracuda Central validates their hypotheses by collecting samples of suspect emails from Barracuda Spam Firewalls around the world that elect to participate in data collection. By analyzing samples of the messages themselves, the Barracuda Central engineers are able to determine whether a suspicious email is dangerous.

Barracuda can’t do it all: Barracuda is set up to suppress a majority of the malicious Malware and Spam messages attempted on your Oracle Service Cloud account. Our system, however, can’t block every malicious message from getting delivered. That is where understanding the ins and out of your system is important to make sure that your program is best protected. Reviewing the following answer will help round out your account:  Barracuda Spam filters on hosted Service mailboxes.

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