Cybercrooks increasingly are anonymizing their malicious traffic by routing it through residential broadband and wireless data connections. Traditionally, those connections have been mainly hacked computers, mobile phones, or home routers. But this story is about so-called “bulletproof residential VPN services” that appear to be built by purchasing or otherwise acquiring discrete chunks of Internet addresses from some of the world’s largest ISPs and mobile data providers.
In late April 2019, KrebsOnSecurity received a tip from an online retailer who’d seen an unusual number of suspicious transactions originating from a series of Internet addresses assigned to a relatively new Internet provider
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