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DMARC Has Been Public Since 2012. 68.4% of Domains Still Don't Enforce It

Hacker News Top · yesterday Cached

A CipherCue analysis of 67,336 domains finds that 68.4% still do not enforce DMARC, despite the standard being public since 2012, with many domains stuck in monitoring mode due to the difficulty of authenticating all legitimate email sources.

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#email-security

AegisAI, founded by former Google security execs, lands $36M to stop AI-driven spear phishing

TechCrunch AI · 6d ago Cached

AegisAI, founded by former Google security executives, raises $36M Series A to use AI agents to detect and prevent AI-driven spear phishing attacks, with dozens of customers already onboard.

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#email-security

Why DMARC's new "NP" tag can fail with DNSSEC

Hacker News Top · 2026-07-05 Cached

The article details a newly discovered incompatibility between DMARC's 'np' tag (RFC 9989) and DNSSEC's Compact Denial of Existence (RFC 9824), causing the tag to malfunction for domains using DNSSEC with major DNS providers. The IETF acknowledged the issue but has not yet reached a solution.

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Security Roundup: Apple’s Hide My Email Service Fails to Hide Your Email

Wired · 2026-07-04 Cached

Apple's Hide My Email feature has a vulnerability that can reveal users' real email addresses, as reported by 404 Media. The flaw has been exploitable for at least a year and remains unfixed despite Apple's claims.

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From teen hacker to Iron Dome researcher, this founder raised $28M to fight AI phishing

TechCrunch AI · 2026-05-19 Cached

Ocean, an agentic email security platform built to fight AI-powered phishing attacks, emerged from stealth with $28M in funding led by Lightspeed Venture Partners, and claims its AI analyzes email context to detect fraud. The startup was founded by Shay Shwartz, a former hacker turned cybersecurity expert who worked on Israel's Iron Dome project.

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