On February 2025, Bybit was exploited in a phishing, resulting in approximately $1.5B in losses. That makes the Bybit exploit the 1st largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the Bybit Phishing Played Out
Exploit Class Applied to Bybit
The Bybit incident on February 21, 2025 is classified as a Phishing. Users are tricked into signing malicious transactions or approvals that transfer assets to the attacker. In the full archive, Bybit is 1 of 1 documented phishing incidents.
Bybit Vulnerability Signature
The primary source categorises the Bybit exploit specifically as “Phishing attack”. This narrower label is entity-specific: it reflects how the Bybit contract failed, rather than the broad phishing pattern alone.
Impact & Recovery for Bybit
Bybit Loss Figure
The Bybit exploit caused $1,500,000,000 in losses — a mega ($100M+) incident and the 1st largest of 96 documented in 2025. This single incident represents 82.3% of all tracked losses that year.
Where Bybit Sits Among Phishing Attacks
Ranked by loss size, Bybit is the 1st largest of 1 phishing incidents documented. That puts the Bybit loss above the class average of $1.5B.
Timeline Since the Bybit Incident
The Bybit exploit occurred 1.1 years ago (417 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for Bybit
Public post-mortem / on-chain analysis for the Bybit incident: view source.
FAQ
How much did Bybit lose?
The Bybit exploit in February 2025 resulted in $1,500,000,000 in losses — the 1st largest of 96 DeFi incidents that year.
When did the Bybit hack happen?
The Bybit exploit was recorded on February 21, 2025 — 417 days ago.
What type of exploit hit Bybit?
The Bybit incident is classified as a Phishing. Users are tricked into signing malicious transactions or approvals that transfer assets to the attacker.
How common is the Phishing pattern seen at Bybit?
Our archive contains 1 documented phishing incidents. The Bybit incident is one of them.
What experimental result is highlighted as evidence of the model's effectiveness?
The model demonstrated superior accuracy and security, with a packet loss rate below 7%.
What are the three open international standards developed for Building Automation and Control Systems (BACS)?
KNX, LonWorks, and BACnet.