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2 verified observations0 with a disclosed priceLatest: Feb 15, 2022
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SMS PVA: An Underground Service Enabling Threat Actors to Register Bulk Fake Accounts
Trend Micro documents services that resell one-time SMS verification codes so that buyers can register accounts in bulk on major platforms including Google. The researchers found one such service drawing its numbers from a botnet of thousands of compromised Android handsets whose owners were unaware their devices were intercepting verification messages.
Google researchers working with university partners studied the market for phone-verified Google accounts, obtaining 4,695 such accounts from underground sellers and analysing roughly 300,000 phone-verified accounts Google had disabled for abuse. Sellers depended heavily on free internet-telephony numbers and short-lived numbers concentrated in a small number of countries, and the paper reports advertised prices for Google phone-verified accounts falling by 30 to 40 percent as that number supply spread.
Market activity is an external indicator of abuse incentives, not a measurement of fraudulent accounts on the underlying platform. Prices are never inferred — an observation without a published figure is recorded without one. See the methodology for scoring and confidence rules.