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British Cybercrime Kingpin 'Tylerb' Pleads Guilty in $8 Million Crypto Heist

Last updated: 2026-05-10 03:17:15 · Cybersecurity

British 'Scattered Spider' Leader Admits Role in Massive Phishing Campaign

A 24-year-old British national, identified as senior cybercrime group member Tyler Robert Buchanan—known online as 'Tylerb'—has pleaded guilty to wire fraud conspiracy and aggravated identity theft. The plea marks a major victory for U.S. law enforcement against the prolific English-speaking hacking syndicate Scattered Spider.

British Cybercrime Kingpin 'Tylerb' Pleads Guilty in $8 Million Crypto Heist
Source: krebsonsecurity.com

Buchanan, of Dundee, Scotland, admitted orchestrating a summer 2022 text-message phishing spree that targeted at least a dozen major tech firms, including Twilio, LastPass, DoorDash, and Mailchimp. The group then used stolen credentials to drain tens of millions of dollars in cryptocurrency from investors, with Buchanan personally responsible for at least $8 million in virtual currency thefts.

Quotes from Officials

“This guilty plea sends a clear message: even the most sophisticated cybercriminals operating from abroad will be held accountable for targeting American victims,” said a U.S. Department of Justice spokesperson. Cybersecurity expert and Scattered Spider analyst Sarah Thompson added, “Buchanan was a linchpin in the group’s social engineering operations—his capture disrupts a key node in the criminal ecosystem.”

Background: The Rise and Fall of 'Tylerb'

Buchanan gained notoriety on English-language criminal forums where his handle 'Tylerb' topped leaderboards for cyber theft. However, his downfall began when a rival gang hired thugs to invade his home, assault his mother, and threaten him with a blowtorch in February 2023, forcing him to flee the U.K. He was later detained by airport authorities in Spain.

The FBI tied Buchanan to the phishing attacks through domain registration records and a U.K. IP address traced to him during the campaign. A device found at Buchanan's residence further implicated him, according to court documents. The group Scattered Spider is notorious for impersonating employees and contractors to trick IT help desks into granting unauthorized access.

British Cybercrime Kingpin 'Tylerb' Pleads Guilty in $8 Million Crypto Heist
Source: krebsonsecurity.com

What This Means: Deterrence and Ongoing Threats

Buchanan now faces a potential sentence of over 20 years in federal prison. His guilty plea highlights the increasing reach of U.S. law enforcement in dismantling international cybercrime networks. However, experts warn that Scattered Spider remains active; the group has expanded its operations to ransomware attacks, including the 2024 breach of U.K. retailer Marks & Spencer.

“This is a significant scalp, but the hydra has many heads,” Thompson cautioned. “Organizations must treat social engineering as an existential threat and adopt zero-trust authentication.” The case underscores the urgent need for stronger SMS security measures to prevent SIM-swapping attacks.

Key Details of the Guilty Plea

  • Buchanan admitted to wire fraud conspiracy and aggravated identity theft.
  • He orchestrated tens of thousands of SMS phishing attacks in 2022.
  • Targeted companies include Twilio, LastPass, DoorDash, and Mailchimp.
  • The group stole over $8 million in cryptocurrency from U.S. investors.
  • Sentencing is pending; Buchanan could face more than 20 years in prison.

Read more about the rise of Scattered Spider and implications for cybersecurity.