LinkedIn Spam Floods networks
Security researcher Henry Stern of Cisco systems recently reported on the Cisco security blog that there has been a large uptick in sophisticated spam attacks focused on LinkedIn users. The spam messages, which direct users to a trojan software downloader site, look very convincing. If the trojan software installation is successful, users may have their credentials to a variety of banking and financial sites compromised. Please remember to follow these safe e-mail practices: Never open an attachment from an unknown source. If someone you don’t know is sending you something you...
Read MoreNon-Delivery Report (NDR) Spam or Backscatter Spam
What is it? This is a type of spam that appears as an undeliverable message. In and of themselves, they are not typically infected with viruses. However, some NDRs do include the text of the original message that was sent, so the text content may appear in the NDR (or as an attachment to the NDR message). Spammers hope that you will read the non-delivery report message and its’ associated content. How does it work? They are generated when someone “spoofs” (fakes) the sender address in an email, much like putting a fake return address on a piece of postal mail. In the postal world, if...
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