Crucial security alert: A significant breach in the popular Chrome extension SwitchyOmega has put user private keys at risk.
Security analysts have reported that a compromised version of the SwitchyOmega proxy extension has been found to steal private keys from cryptocurrency wallets, endangering over 500,000 users.
This breach originated from a phishing attack that targeted an employee at a data security firm, leading to the insertion of malicious code into the extension. The phishing email misleadingly asserted that the firm’s browser extension violated Google’s policies, warning of removal unless immediate actions were taken, according to a recent research analysis.
Security experts have revealed that the attacker exploited OAuth to gain access to the compromised account, allowing the upload of the malicious extension version (24.10.4). Unaware, users installed this harmful update.
The malicious extension is designed to extract sensitive information, including private keys and mnemonic phrases from cryptocurrency wallets. It is currently uncertain how many users among the 500,000 have actually fallen victim to this exploit. Security analysts are urging users to verify the installed extension IDs to confirm they align with the official version.
Attacks targeting crypto traders via browser extensions are not a new phenomenon; cybercriminals have been increasingly leveraging this method to exploit vulnerabilities.
In a related trend, cybersecurity experts noted that threats from sophisticated hacking groups, including those from North Korea, have been escalating, with new tactics focused on deceiving crypto professionals through counterfeit applications and misleading browser extensions.