Word of the Week: Email Bomb
posted by Sandy Sidhu in Email Security on Sep 29, 2010
What is an email bomb?
An email bomb is the act of sending copious amounts of e-mail in an attempt to overflow a mailbox or crash the mail server. It can also be used to describe an e-mail message with an attached ZIP file that contains another ZIP file, which contains yet another ZIP, and so on. An e-mail bomb can block scanning engines and cause a DoS attack (Denial of Service), among other problems.
Most email security solutions can detect and block email bombs. However if you receive an email with a suspiciously large zip file, be sure to check the compression ratio of the file. If it is something like 99%, you should be careful.
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