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Weekly · Issue 9 · 2026-09-21 – 2026-09-27

Crypto security incidents · weekly · 2026-W39

From 2026-09-21 to 2026-09-27, 10 crypto security incidents were publicly reported, with about $409.1M lost; the previous week had 8 and $6.2M, a change of +6510% in losses. The largest was Bitget (2026-09-24, about $387.0M). By technique, "Key Compromise" accounted for the most losses: 2 incidents, $394.0M. 1 incidents ($2.1M) were phishing, frontend hijacks or rugpulls, which happen at the moment of payment; checking the payee address and payment URL first can stop part of them.

Incidents

10

previous 8

Reported loss

$409.1M

previous $6.2M

Pre-payment check partly applies

1

$2.1M

Largest incidents

DateIncidentTechniqueLoss
2026-09-24BitgetKey Compromise$387.0M
2026-09-24DuelbitsKey Compromise$7.0M
2026-09-22AstroportGovernance$4.9M
2026-09-22DropGovernance$4.4M
2026-09-27Fake GIWA BridgeSocial Engineering$2.1M

By technique

Key Compromise2$394.0M
Governance2$9.3M
Social Engineering1$2.1M
Bridge & Cross-Chain1$1.8M
Access Control2$1.8M
Protocol Logic2$35K

By chain

Ethereum6$399.7M
Tron2$394.0M
XRP1$387.0M
Zcash1$387.0M
Neutron2$9.3M
BSC2$7.0M

Data: the public DefiLlama incident dataset. This report restates public reports and is not OceanAlt's judgment of any party. To report an error, email business@oceanalt.com.