Declan Harrington has now pleaded guilty for his charges, one of the criminals arrested for hijacking high-profile Instagram accounts and SIM swapping attacks.

While waiting for the court sentence, Harrington and his co-conspirator in 2019 have stolen over $530,000 in cryptocurrencies from various high-profile people through hacks and threats.

Stealing Through Threats and SIM Swapping

Scammer Involved in SIM Swapping and Cryptocurrency Theft Pleads Guilty

SIM swapping is one of the social engineering techniques. A hacker will make the target’s telecom operator believe in a false story and ultimately reassign the phone services to a SIM that the hacker controls.

This way, he’d be able to receive all the OTPs and other multi-factor authentication codes supposedly directed to the target and use them to hijack online accounts and other malicious activities.

Using this technique and few death threats, a Massachusetts resident named Declan Harrington and his crime partner Eric Meiggs hijacked Instagram and Tumblr accounts of some high-profile people and their investment accounts. As a result, it stole funds worth over $530,000 in 2019.

And as per the court documents, they have done;

  • Identifying potential victims who likely had significant amounts of cryptocurrency and researching the potential victims using online tools.
  • Engaging in “SIM swapping” to take control of victims’ cell phone numbers.
  • Leveraging the victims’ hijacked phone numbers to gain unauthorized access to their online accounts, including email accounts, social media accounts, and cryptocurrency accounts.
  • Using their access to victims’ accounts to take over and steal their account handles and their cryptocurrency.
  • Selling or otherwise transferring victims’ log-in credentials, account handles, and cryptocurrency.
  • Using victims’ hacked online accounts to ask for money and cryptocurrency from victims’ friends and families.
  • Using multiple online accounts to hide their identities and evade detection by law enforcement.

While they were arrested in 2019, Harrington has now pleaded guilty, with Meiggs doing it in April this year. Meiggs’ court sentence date is fixed to May next year, while Harrington’s is yet to be decided.

This duo has targeted top executives of cryptocurrency companies’ others with significant quantities of cryptocurrencies in their wallets, to steal over half a million.


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