ChainBleedv0.1 · open intel
← back to feed·BITCOIACCESS-CONTROL2026-03-01 · 3mo ago
Incident · SLOWMIST

Bitrefill

Endpoint Compromise via Social Engineering
Estimated loss
VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
ACCESS CONTROL
ACCESS-CONTROLBYTECODE CATCHABLEAI SCANNABLE
Root cause

Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.

Forensic narrative

Bitcoin payment service provider Bitrefill disclosed on X that it suffered a cyberattack on March 1, 2026, resulting in a customer data breach. The attack originated from a compromised employee laptop, which allowed the attacker to access parts of the company’s databases and cryptocurrency wallets.The investigation indicates that the attack methods closely resemble those previously used by the North Korean DPRK Lazarus Group / Bluenoroff hacking organization in targeting crypto companies.Approximately 18,500 purchase records were affected, involving limited customer information such as email addresses, crypto payment addresses, and IP metadata. Among these, around 1,000 records contained customer names stored in encrypted form, which may also have been accessed.Bitrefill stated that customers do not need to take specific action but are advised to remain vigilant for any suspicious communications.The company added that the affected systems have been shut down and isolated, and it is working with security experts, on-chain analysts, and law enforcement agencies. Operations have now largely returned to normal.Bitrefill emphasized that it remains financially strong and profitable, capable of absorbing the losses from this incident, and will continue strengthening its cybersecurity measures, including internal access controls, monitoring, and incident response mechanisms. Attack method (per SlowMist): Endpoint Compromise via Social Engineering. Reported loss: -.

Primary source
https://www.theblock.co/post/393974/crypto-ecommerce-bitrefill-discloses-cyberattack-north-koreas-lazarus-potential-suspect
Sourced from
slowmist
Technical record
chain
bitcoin
protocol
Bitrefill
bug_class
access-control
date_occurred
2026-03-01
loss_usd
source_id
sm:bitrefill::2026-03-01
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