Cursor IDE Crypto Theft: Dev Loses $500K to Malicious Extension
The Cursor IDE crypto theft incident has sent shockwaves through the developer community. A Russian blockchain developer recently lost around $500,000 in cryptocurrency. The loss stemmed from installing what appeared to be a helpful extension for smart contract development. Instead, the extension served as a backdoor for attackers. This breach took place in June 2025. The developer was using Cursor,
Malicious Extensions Hijack Chrome and Edge Users
A new large-scale browser security incident has compromised millions of users worldwide. Eighteen popular Chrome and Edge extensions, once trusted by users, have been quietly turned into malicious tools, redirecting users to phishing websites and collecting sensitive browsing data. This alarming discovery highlights the growing threat of 'sleeper agent' extensions—tools that start off clean but turn rogue through stealth updates.
