Crypto Hacks and Security, Page 11 of 21

Messing-Siegelstempel schwebt über einem unbedruckten Bogen Papier, darunter ragt die Kante eines zweiten, verborgenen Bogens hervor, daneben eine Goldmünze mit rautenförmigem Symbol

Ledger Closes a Gap in the Ethereum App: When the Display Shows Something Other Than What You Sign

Ledger has closed a flaw in its Ethereum app that let a malicious application swap the reviewed transaction for a different one. Anyone holding Ether or ERC-20 tokens on the device should check the app version and clear out old token approvals.

2 months ago

Offene, völlig unversehrte Stahl-Tresortür in einem dunklen Gewölbe, davor ein umgestürzter Abstimmungskasten aus Messing mit ausgeschütteten Münzen

Term Finance Governance Exploit: Why Audited Code Does Not Protect Your DeFi Deposits

Around $8.5 million flowed out of the Ethereum lending protocol Term Finance on August 23, 2026, after an attacker bought a voting majority over the deposit pools. The code itself stayed intact: here is how to judge how easily a DeFi pool can be opened by a vote.

2 months ago

Geschlossenes stählernes Schleusentor in einer leergelaufenen Schleusenkammer, davor eine geprägte Münze mit Bitcoin-Symbol auf nassem Beton

SAND Bridge Exploit at The Sandbox: Why Not to Trade SAND on Base and BNB Chain Now

An attack on The Sandbox's cross-chain bridge created unbacked SAND tokens on Base and BNB Smart Chain on August 22, 2026. Bridging is halted; holdings on Ethereum and Polygon are unaffected, according to the studio.

2 months ago

Historische Telefonvermittlungswand mit hunderten leeren Klinkenbuchsen, aus einer einzigen führt ein rotes Kabel, davor eine Münze mit Bitcoin-Symbol

Operation ASTERIX: How a Fake Support Call Delivers a Counterfeit Wallet App

Security researchers analysed an open server on which a phone system, phishing interfaces and cloned wallet programs all came together. The largest list of numbers was the German one.

2 months ago

Zwei fast identische messingfarbene Briefkastenklappen nebeneinander in einer dunklen Metallwand; in den linken Schlitz kippt eine Münze mit Bitcoin-Symbol ins Dunkle, hinter der rechten Klappe liegt eine gleiche Münze sicher im Fach

Address Poisoning: Why Seven of Forty Characters Were Enough to Divert $2 Million

A fake wallet address matched the real one in just seven of forty characters and still intercepted 2 million USDC. Our own count of the affected wallet shows that a third of all counterparties in its history belong to such look-alikes.

2 months ago

Fünf Spielwürfel rollen im Licht einer Werkstattlampe über eine dunkle Lederunterlage, daneben steht eine schwere Münze mit eingeprägtem Bitcoin-Symbol hochkant auf ihrer Kante

Coldcard 5.6.1 Is Here: Why the Update Will Not Rescue Your Old Seed

Coinkite shipped Coldcard firmware 5.6.1 and 1.5.1Q on August 20, 2026. The update closes the gap for new seeds but does not repair a seed already affected.

2 months ago

Geöffnete Metallkassette mit sichtbarer Platine und eingestecktem Kabel auf dunkler Werkbank, davor eine Münze mit Bitcoin-Zeichen

BitBox02: Firmware 9.26.5 Closes Three Security Vulnerabilities. What to Check Now

BitBox released firmware 9.26.5 on August 17, 2026, closing three security vulnerabilities in the BitBox02 and BitBox02 Nova. Existing seeds are not affected according to the manufacturer; an update is due anyway, and with unused devices the order matters.

2 months ago

Aufgebrochenes Schließfach mit einer Bitcoin-Münze, Sinnbild für gestohlene Krypto und Krypto-Betrug

Crypto Stolen or Scammed: What to Do Now and Where to Report It

Wallet drained or fooled by a fake platform? Which steps count in the first hours, where to file a report, when regulators, exchanges and stablecoin issuers can help, and why recovery services that want money upfront are the second trap.

2 months ago

Schwere Eisenkette zwischen zwei großen Münzen, ein Kettenglied in der Mitte ist aufgerissen

Maya Protocol Exploit: MAYAChain Is Halted, What to Check Now on Cross-Chain Swaps

On August 18, 2026 an attacker drew roughly $1.65 million out of MAYAChain's liquidity pools through six chained faults, and the team then halted the chain globally. Anyone who swapped or provided liquidity there can check in a few minutes whether their own money is stuck in the halted system.

2 months ago

Nächtliches klassizistisches Säulenportal eines Aufsichtsgebäudes, davor auf nasser Steinstufe eine goldene Münze mit eingeprägtem Bitcoin-Zeichen

BaFin Warns Against NC Wallet and ncwallet.net: What Users of the Wallet App Must Check Now

On August 19, 2026, BaFin issued a warning about the NC Wallet app and two websites: on the regulator's findings, the unknown operators offer financial services there without authorisation. Because the wallet is custodial, it is the provider and not you who holds the key to your balance.

2 months ago