A 21-year-old Irishman who pleaded guilty to charges of helping to steal millions of dollars in cryptocurrencies from victims has been sentenced to just under three years in prison. The defendant is part of an alleged conspiracy involving at least eight others in the United States who stand accused of theft via SIM swapping, a crime that involves convincing mobile phone company employees to transfer ownership of the target’s phone number to a device the attackers control.
Conor Freeman of Dublin took part in the theft of more than two million dollars worth of cryptocurrency from different victims throughout 2018. Freeman was named as a member of a group of alleged SIM swappers called “The Community” charged last year with wire fraud in connection with SIM swapping attacks that netted in excess of $2.4 million.
Among the eight others accused are three former wireless phone company employees who allegedly helped the gang hijack mobile numbers tied to their targets. Prosecutors say the men would identify people likely to have significant cryptocurrency holdings, then pay their phone company cohorts to transfer the victim’s mobile service to a new SIM card — the smart chip in each phone that ties a customer’s device to their number.
A fraudulent SIM swap allows the bad guys to intercept a target’s incoming phone calls and text messages. This is dangerous because a great many sites and services still allow customers to reset their passwords simply by clicking on a link sent via SMS. From there, attackers can gain access to any accounts that allow password resets via SMS or automated calls, from email and social media profiles to virtual currency trading platforms.
Like other accused members of The Community, Freeman was an active member of OGUsers, a forum that caters to people selling access to hijacked social media and other online accounts. But unlike others in the group, Freeman used his real name (username: Conor), and disclosed his hometown and date of birth to others on the forum. At least twice in the past few years OGUsers was hacked, and its database of profiles and user messages posted online.
According to a report in The Irish Times, Freeman spent approximately €130,000, which he had converted into cash from the stolen cryptocurrency. Conor posted on OGUsers that he spent approximately $14,000 on a Rolex watch. The rest was handed over to the police in the form of an electronic wallet that held the equivalent of more than $2 million.
The Irish Times says the judge in the case insisted the three-year sentence was warranted in order to deter the defendant and to prevent others from following in his footsteps. The judge said stealing money of this order is serious because no one can know the effect it will have on the victim, noting that one victim’s life savings were taken and the proceeds of the sale of his house were stolen.
One way to protect your accounts against SIM swappers is to remove your phone number as a primary or secondary authentication mechanism wherever possible. Many online services require you to provide a phone number upon registering an account, but in many cases that number can be removed from your profile afterwards.
It’s also important for people to use something other than text messages for two-factor authentication on their email accounts when stronger authentication options are available. Consider instead using a mobile app like Authy, Duo, or Google Authenticator to generate the one-time code. Or better yet, a physical security key if that’s an option.
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