The latest one to be spotted is an email purportedly coming from Inuit, a US company that makes QuickBooks, a popular piece of software for bookkeeping:
Inuit has already posted a warning to their customers about the spam email.
"Sophos anti-spam products have been detecting and blocking these messages for quite some time, but the messages are so convincing that our own customers have been reporting the blocks to us as false-positives!" says Chester Wisniewski.
Reading our newsletter every Monday will keep you up-to-date with security news.
Receive a daily digest of the latest security news.