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Blockstream

0 mentions in 7 days · 2 in 30 days · 2 total · first seen Sep 7, 2026 · last 8d ago

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Hackers drain $320M in Bitcoin from Liquid Network, claim they're the good guys

Attackers withdrew about 4,000 BTC (~$320M) from Liquid Network's federation wallet via a SideSwap peg-out, claiming whitehat status.

Hackers drained roughly $320 million in Bitcoin — about 4,000 BTC, 95% of holdings — from the federation wallet backing Blockstream's Liquid Network sidechain. The withdrawal occurred through SideSwap using its Peg-out Authorization Key (PAK), yet no PAK appears to have been compromised, and the exact mechanism remains under investigation. The actors embedded an on-chain message identifying themselves as whitehats, asked Blockstream to patch federation nodes first, and promised to return most of the funds after fixes are confirmed. Liquid disabled its bridge nodes and asked exchanges to suspend L-BTC deposits and withdrawals; other Liquid assets and the Bitcoin network were unaffected.

The Register · SecuritySep 7, 13:26 UTC · 8d agoExploit / PoC in the wild

Risky Bulletin: BEC campaign steals €35 million from French notaries

Hackers stole over €35 million from 500+ French notary offices in a four-year BEC campaign; ANSSI spent two years helping evict the attackers.

A business email compromise campaign breached more than 500 French notary offices — about 7% of all French notaries per the Conseil Supérieur du Notariat — over four years, stealing more than €35 million by phishing initial access and silently modifying wire transfer details. France's cybersecurity agency ANSSI worked for two years behind the scenes to help notaries remove the persistent attackers, who had deep access; officials also feared hackers could issue fake notarized acts such as marriage certificates or forged real estate deals. No forged documents have been found so far, but notaries have added two-factor authentication and in-person requirements for banking details, and banks added extra checks in 2024. The newsletter also notes other incidents, including a $320 million Bitcoin extraction from Blockstream's Liquid Network and a JetBrains Cadence breach via TeamCity servers.

Risky Business NewsSep 7, 03:42 UTC · 8d agoPhishing & fraud in the wild1

Appears with

vendor Blockstream 2 product Liquid Network 2 organization Blockstream 1 organization CNIL 1 organization Conseil Supérieur du Notariat 1 organization IDScan 1 organization Le Monde 1 organization ShipMonk 1 product JetBrains Cadence 1 product L-BTC 1 product TeamCity 1 vendor JetBrains 1 vendor Liquid Network 1 vendor SideSwap 1 victim Berlin city government 1 victim City of Roanoke 1

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