The Threat of Residential Proxies
Residential proxies allow cybercriminals to route malicious traffic through legitimate IP addresses, making detection more difficult. This technology bypasses traditional geo-restrictions and blacklists, posing significant challenges for cybersecurity defenses and fraud detection systems.
Background
Residential proxies are IP addresses assigned by internet service providers to real homes, making web traffic from them appear to come from ordinary users rather than data centers. Attackers increasingly buy or rent these IPs (often from hacked IoT devices or via shady "proxyware" services) to bypass geo-restrictions, evade fraud detection, and carry out credential stuffing or ad fraud — because security systems that block data-center IPs don't flag home addresses. Unlike traditional VPNs or datacenter proxies, residential proxies are much harder for websites to distinguish from legitimate traffic, making them a growing tool for both cybercriminals and (ironically) security researchers testing their own defenses.