Validating the Security of the In-App Browser Against Phishing
The in-app browser is a potential vector for phishing attacks. This test involves navigating to a known phishing website (in a controlled environment) that mimics a popular DApp. MetaMask’s internal safeguards should actively block the page from loading or present a full-screen, unambiguous warning about the deceptive site. It should prevent any interaction with the page, including connection requests. This proactive defense is crucial as it stops attacks before they can even attempt to trick the user. The blocklist must be frequently updated to catch new phishing sites as they are created by attackers. The security team’s work on maintaining these protections is ongoing, and users are encouraged to report phishing sites they encounter through the official metamask security channel. The test is successful if access to the phishing site is completely blocked.
