Inside the Search for "Clean" Residential Proxies for Carding
Cybercriminals shift focus to 'clean' residential proxies combined with antidetect browsers to evade fraud detection.
Flare researchers analyzed 2,889 underground posts across 545 threads to understand how carders currently use residential proxies for fraud. The research reveals that residential proxies alone are no longer sufficient; criminals now seek 'clean' IPs with no abuse history and combine them with antidetect browsers, device fingerprints, and synthetic identity data to bypass financial fraud detection. Geographic consistency, reputation tracking, and provider restrictions have created a secondary market where carders evaluate proxies based on their transaction history rather than simple residential status.
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The lesson from this incident
Full lessonCybercriminals have evolved beyond simple residential proxy use, now combining clean IP addresses with antidetect browsers, spoofed device fingerprints, and synthetic identity data to defeat financial fraud detection systems. The root issue is that fraud prevention models relying heavily on IP reputation and residential status alone are insufficient against adversaries who actively manage and curate their digital footprints. This matters because financial institutions and e-commerce platforms face an increasingly sophisticated threat that exploits the same trust signals designed to protect legitimate users. The existence of a secondary market where proxies are evaluated by transaction history underscores how attackers systematically study and adapt to defensive measures, making static detection rules rapidly obsolete.
What helps against this
How we list vendors- Identity threat detection and response (ITDR)
Attackers who log in with real, stolen credentials get noticed.
- Network detection and response (NDR)
Attackers moving between systems inside the network get seen.