While Mozilla launched Firefox Send with the privacy and security of its users in mind, since late 2019, Firefox Send has seen broader adoption in the malware community. In most cases, the use is usually the same. Malware authors
upload malware payloads on Firefox Send, the file is stored in an encrypted format, and then hackers share the links inside emails they send to their targets. Over the past few months, Firefox Send has been used to store payloads for all sorts of cybercrime
operations, from ransomware to financial crime, and from banking trojans to spyware used to target human rights defenders.
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