The disco-era File Transfer Protocol (FTP) is making a comeback, but not in a good way  spammers are now using the old-school file transfer technology to serve up bot malware, and even as a backdoor into some enterprises that neglect to lock down their oft-forgotten FTP servers. Researchers at F-Secure have spotted a new wave of exploits that use FTP  rather than a malicious URL, or an email attachment  to deliver their malware payloads because few gateways scan for FTP attachments these days.

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