MetaMask, Phantom, and several leading crypto wallets have united with the Security Alliance to create a global phishing defense network, following a staggering $400 million theft by crypto phishers in the first half of 2025.
“We’ve collaborated to establish a global phishing defense network aimed at safeguarding more users throughout the ecosystem,” stated the MetaMask team on Wednesday.
SEAL indicated that this new defense network will “enable the creation of a decentralized immune system for crypto security, empowering individuals worldwide to thwart the next significant phishing assault.”
The “decentralized immune system” comprises MetaMask, Phantom, WalletConnect, and Backpack.
This will work alongside SEAL’s newly introduced “verifiable phishing reports” system, announced last week, allowing security researchers to validate that harmful websites indeed host the phishing content users claim to encounter.
The battle against crypto drainers
The rising threat of crypto drainers is becoming increasingly alarming, as they refine their strategies to bypass conventional defenses, noted SEAL.
These new victim-luring techniques include rapidly rotating landing pages when blocklists are updated, shifting to offshore hosting when infrastructure providers take action, and employing cloaking methods to escape automated scans.
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“Drainers represent a perpetual cat-and-mouse scenario,” remarked Ohm Shah, a security researcher at MetaMask.
By collaborating with SEAL, wallet teams can enhance their agility and put research into action, “effectively disrupting the drainer’s infrastructure,” he added.
Expanding deployment across wallets
This partnership establishes a seamless pipeline where user-submitted reports are instantly validated and disseminated among all participating wallets, offering immediate protection against emerging phishing threats.
“Any user with a legitimate report can trigger a phishing alert across network participants in real time, without needing special permissions,” SEAL elaborated.
“This results in faster response times to new phishing threats and greater fund preservation. We aim to extend this data to as many wallets as possible.”
Phishing incidents accounted for the majority of security breaches in the first half of this year, leading to over $400 million in stolen crypto, according to CertiK.
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