Like many other third party email apps, MetaCert acts as an proxy, meaning that your email will pass through its servers as it checks for bad links. There are downsides to its approach to phishing protection. But some phishing attacks will inevitably make it through even the best protections. It can then filter messages from imposters that exhibit odd behavior. For example, the security company Agari uses machine learning to understand what a typical email from the people you interact with looks like. Of course, there are plenty of other tools for blocking phishing scams, ideally before they hit your inbox, typically through a combination of user reports and algorithms. MetaCert's software uses those databases to check the links in your email and place a little green shield next to known good links, a little red shield next to known phishing sites, and a gray shield next to unknown sites. Just as important, it also has a database of known "safe" addresses used by the companies hackers like to spoof: banks, payment services like PayPal, and online retailers. The company has spent seven years compiling a database of web addresses known to be used by phishers, and the company and its users are constantly reporting more. Sometimes attackers are able to fool even security-savvy users.Ī company called MetaCert is trying to fight phishing emails with an extraordinarily simple method. Nearly three-quarters of organizations polled by security company Proofpoint saw phishing attacks last year.
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