Cybercriminals Are Hiding Malicious Web Traffic in Plain Sight

Cybercriminals have been increasingly turning to 'residential proxy' services over the past two to three years to disguise malicious web traffic as everyday online activity, according to research presented at the Sleuthcon cybercrime conference. The shift represents a response to law enforcement's growing success in targeting traditional 'bulletproof' hosting services, which previously allowed criminals to maintain anonymous web infrastructure.

Residential proxies route traffic through decentralized networks running on consumer devices like old Android phones and low-end laptops, providing real IP addresses assigned to homes and offices. This approach makes malicious activity extremely difficult to detect because it appears to originate from trusted consumer locations rather than suspicious server farms. The technology creates particular challenges when attackers appear to come from the same residential IP ranges as employees of target organizations.

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