Researchers have discovered eighteen new vulnerabilities in how email systems authenticate senders, making it even easier for criminals to fool users.
All organizations wrestle with chronic phishing attacks that are the primary vectors through which malicious actors breach systems and spread malware.
Most phishing attackers deliver their payloads on networks by crafting spoofed emails that look like they come from legitimate, authoritative senders. Those look-alike emails instead derive from domains deployed solely for malicious purposes. It’s virtually impossible for most email recipients to detect the differences between real and spoofed email accounts, making phishing an intractable and seemingly never-ending problem for users and organizations alike.
Now computer science researchers have discovered eighteen new vulnerabilities in how email systems authenticate senders. Vern Paxson, Professor of Computer Science at UC Berkeley and Co-Founder and Chief Scientist at Corelight, Jianjun Chen, Post-Doc researcher at the International Computer Science Institute and Jian Jiang, Senior Director of Engineering at F5 (Shape Security), presented the result of their research at Black Hat last week in a talk entitled “You Have No Idea Who Sent That Email: 18 Attacks on Email Sender Authentication.”
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