Search Results for "attack"
Ethereum (ETH) Partners with Immunefi for Protocol Security Attackathon
Ethereum and Immunefi launch a four-week Attackathon to enhance protocol security through a large-scale crowdsourced audit competition.
Digital Asset Hacks Fall 37% as Million-Dollar Attacks Hit Peak
Cryptocurrency hack losses dropped 37% in Q3 2025, but September saw a record number of million-dollar attacks. Hackers shift focus from code flaws to wallet and operational vulnerabilities, posing evolving threats to digital asset platforms.
Why Did the University of California San Francisco Pay Hackers $1.4 Million in Bitcoin?
The University of California, San Francisco (UCSF), has recently paid criminal hackers $1.14 million to resolve a ransomware attack. The university reportedly paid the amount in 116.4 Bitcoins worth over $1 million.
Axie Infinity's Home Ronin Network Suffers Over $600m in another DeFi Hack
The Ronin Network has suffered what is being tagged as the largest hack in the history of Decentralized Finance (DeFi) which funds in excess of $625 million carted away by the hackers.
UN Investigation Reveals DPRK's $3 Billion Crypto Cyberattack Scheme
The United Nations is probing DPRK-linked hacking groups for orchestrating cyberattacks on cryptocurrency firms, amassing $3 billion over six years to fund WMD development. These cybercrimes, targeting 58 companies, underscore a sophisticated operation defying international sanctions.
Hackers Demand $1 Million in Bitcoin Ransom After Hacking Computer Systems of Insurance Firm
Israeli’s largest insurance company fell victim to hackers this week and must pay huge amounts of funds in cryptocurrency to regain access to its data.
OpenSea Confirms Under Phishing Attack, after Urging Users to Migrate NFTs New Addresses
Some of the users from OpenSea have been targeted explicitly through a phishing attack, resulting in NFTs lost from the NFT marketplace.
SlowMist Reports Surge in Diverse Crypto Security Incidents for the Week of September 17-23, 2023
SlowMist, a cybersecurity firm specializing in blockchain, released its weekly security report for the week of September 17-23, 2023. The report highlights a total of seven security incidents with an estimated loss of around $380,600. The week saw a significant rise in phishing attacks and rug pull tactics, as well as the emergence of diverse attack methods like DNS hijacking and contract vulnerabilities.
Euler Finance suffers $197M DeFi hack
Decentralized finance (DeFi) protocol Euler Finance lost nearly $197 million in a flash loan attack on March 13, impacting more than 11 other DeFi protocols. The vulnerability remained on-chain for eight months despite a $1 million bug bounty in place. Euler Finance disabled the vulnerable etoken module and vulnerable donation function, and has reached out to security firms and the ETH security community to help with the investigation and recover the stolen funds.
DeFi Suffers $21M in Losses from Exploits
Decentralized finance (DeFi) platforms lost at least $21 million in February due to a series of exploits including flash loan reentrancy attacks, price oracle attacks, and other hacks across seven protocols. Noteworthy incidents included the reentrancy attacks on Platypus Finance and dForce network, the price oracle attack on BonqDAO, and the smart contract exploit on Hope Finance. These incidents follow a report by Chainalysis revealing that DeFi platforms lost $3.1 billion to hacks in 2022.
US District Judge Rules in Favor of Custodial Arrangement for bZx DAO Members
A US district judge has ruled that bZx DAO transactions are custodial due to the ability for developers to upgrade a smart contract where the key is held by a single developer, as highlighted in a class-action lawsuit against bZx DAO and others. This may impact DeFi platforms that use multisigs and require them to obtain custody licenses to comply with the law.
Unknown Sources Target Crypto Investors with Malicious Computer Programs
Since December 2022, MortalKombat ransomware and Laplas Clipper malware threats have been searching the Internet for unsuspecting cryptocurrency investors.