VERDICT —OUT OF SCOPE
Root cause is infrastructure (DNS / cloud / database / third-party API) compromise, not on-chain contract logic. Pre-deployment source review would not surface this; coverage lives in cloud-security + supply-chain audit, separate discipline.
▰ METHOD
INFRASTRUCTURE
INFRASTRUCTURE
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
According to the official news from Youbi Exchange, Youbi has encountered heavy network-traffic DDoS attacks for three consecutive days since the platform coin subscription was launched on May 06, which caused the server to be inaccessible in a short time. Attack method (per SlowMist): DDoS Attack. Reported loss: -.
Primary source
https://m.jinse.com/lives/165897.html ↗Sourced from
slowmist
Technical record
- chain
- —
- protocol
- Youbi
- bug_class
- infrastructure
- date_occurred
- 2020-05-06
- loss_usd
- —
- source_id
- sm:youbi::2020-05-06
Related — same bug class· infrastructure