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U.S. Treasury sanctions cryptocurrency exchange for alleged role in ransomware attacks

U.S. Treasury Secretary Janet Yellen answers questions during the Senate Appropriations Subcommittee hearing to examine the FY22 budget request for the Treasury Department on Capitol Hill in Washington, DC, June 23, 2021.

Greg Nash | Pool | Reuters

The U.S. Treasury Department announced Tuesday it will sanction a cryptocurrency exchange for its alleged role in laundering ransoms for cyberattacks.

It marks the first such action against a virtual currency exchange and comes after a string of cyberattacks crippled several industries and even threatened U.S. government agencies. The Treasury said ransomware payments totaled more than $400 million in 2020 alone, more than four times that of 2019.

Ransomware is a type of cyberattack where actors often shut down access to key programs and demand payment, usually in a cryptocurrency like bitcoin, to unlock them.

The department's Office of Foreign Assets Control will designate the cryptocurrency exchange Suex for allegedly playing a role in facilitating financial transactions for ransomware actors.

While the Treasury emphasized that most virtual currency activity is legal, technologies facilitating those payments can be exploited by bad actors. Cryptocurrency transactions are decentralized and can be harder to trace than those conducted through traditional financial institutions. The department said that in Suex's case, it helped facilitate illegal activity "for their own illicit gains."

The department alleged that Suex "has facilitated transactions involving illicit proceeds from at least eight ransomware variants." It also said that more than 40% of the company's known transaction history is "associated with illicit actors."

The new designation means it will be much harder for Suex to do business with U.S. entities. U.S. citizens are generally banned from performing transactions with sanctioned entities and financial institutions that engage in certain activi...

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