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316 articles

DMARC

Most businesses still can't answer one simple question about their email

Apr 23, 20267 min readRed Sift

Just 2.5% of domains enforce DMARC at p=reject. Red Sift and Bespin Labs (Patronum) break down why email authentication stalls, and how to fix it before regulators and attackers force the issue.

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Email Security

FBI IC3 2025 report: Email fraud is now a $4 billion problem

Apr 21, 20264 min readJack Lilley

The FBI IC3 2025 report shows BEC, phishing, and impersonation fraud hit $4B+ in losses. Here’s what the data means for email authentication.

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AI & Security

Security in the age of AI: Mythos and going back to basics

Apr 20, 20265 min readIvan Ristic

AI models like Anthropic's Mythos are finding and exploiting vulnerabilities faster than humans can keep up. Learn why the answer to AI-driven cyber threats starts with getting the basics right.

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DMARC

Only 40% of the Southwest's top organizations block spoofed email

Apr 17, 20269 min readJack Lilley

Red Sift analyzed 500 Southwest domains and found only 40% have full DMARC enforcement. See the state-by-state breakdown and how to close the gap.

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Email Security

How widely supported are Ed25519 DKIM keys and how many providers still accept weak keys?

Apr 16, 20267 min readFaisal Misle

Red Sift tested 19 mailbox providers for Ed25519 DKIM support and weak key acceptance. Only 47% validate Ed25519, and 6 still accept broken 512-bit RSA keys.

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DMARC

How to secure your brand with DMARC against email threats: Webinar recap

Apr 15, 20268 min readNatalie Hays

AI-powered phishing attacks have surged. Learn how DMARC enforcement protects your brand from exact domain spoofing in this webinar recap.

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Product Updates

Red Sift’s Quarterly Product Release: Spring 2026

Apr 9, 20265 min readNatalie Hays

Red Sift's Spring 2026 product release covers updates across Brand Trust, OnDMARC, and Certificates. New this quarter: the Brand Trust AI Agent, Dangling MX detection in DNS Guardian, TLS endpoint details, and a PQC readiness dashboard for Enterprise customers.

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DMARC

Only 44% of the Mid-Atlantic's top organizations block spoofed email

Apr 7, 20269 min readJack Lilley

Red Sift analyzed 700 Mid-Atlantic domains and found only 44% have full DMARC enforcement. See the state-by-state breakdown and how to close the gap.

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DNS

NIST DNS update: What this means for your organization

Mar 25, 20265 min readJack Lilley

NIST SP 800-81 Revision 3 reframes DNS as an active security layer for the first time since 2013. Here's what changed and why it matters for DMARC, SPF, and DKIM.

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Company News

OnDMARC dominates Mid-Market and holds strong globally in G2's Spring 2026 Report

Mar 23, 20263 min readNatalie Hays

OnDMARC ranked #1 in three Mid-Market indexes and earned 10 badges in G2's Spring 2026 Report, with customers rating it 4.8/5 for DMARC management.

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Certificates

PKI ecosystem changes in 2026: what your team needs to know

Mar 19, 20267 min readRed Sift

2026 brings shorter certificate lifetimes, unmanaged private PKI, and looming post-quantum migration. A concise guide to the changes security teams need to plan for.

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Company News

Red Sift selected for Tech Nation's Future Fifty 2026

Mar 19, 20262 min readJack Lilley

Red Sift has been selected for Tech Nation's Future Fifty 2026 cohort, the UK's flagship scaleup program recognizing high-growth technology companies.

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DMARC

65% of the U.S. Northeast's top organizations are vulnerable to phishing

Mar 18, 20268 min readJack Lilley

An analysis of 700 domains across seven Northeast U.S. states found that only 35% have reached full DMARC enforcement, with significant variation between states and industries.

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AI & Security

Attackers are industrializing at scale: Where defenders stand in 2026

Feb 25, 20267 min readRahul Powar

Red Sift CEO Rahul Powar shares insights from 1,200+ organizations on how AI-driven attacks are industrializing in 2026, plus updates on Radar Lite and Red Sift's MCP capabilities.

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Compliance

Active Cyber Defence: Mail Check and Web Check transition with Ciaran Martin and Rahul Powar

Feb 24, 20264 min readRahul Powar

NCSC switched off Mail Check and Web Check on March 31, 2026. Ciaran Martin and Rahul Powar discuss what UK public sector organizations should do next for email security visibility.

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Company News

Red Sift named a 2026 G2 Best UK Software Company

Feb 18, 20262 min readFrancesca Rünger-Field

Red Sift has been named one of the Best UK Software Companies in G2's 2026 Awards, driven by customer feedback and the market performance of OnDMARC.

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DMARC

43% of Washington D.C.'s top organizations vulnerable to phishing

Feb 16, 20265 min readJack Lilley

Red Sift analyzed 100 domains from Washington D.C.'s largest organizations and found 43% lack DMARC enforcement — right where US cybersecurity policy is made.

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DMARC

Over a quarter of New York's top organizations still exposed to email spoofing

Feb 16, 20265 min readJack Lilley

Red Sift analyzed 99 domains from New York's largest organizations. While 72.7% have reached DMARC enforcement, 27 domains remain exposed to email spoofing.

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DMARC

50% of Boston's top organizations lack full DMARC protection

Feb 16, 20265 min readJack Lilley

Red Sift analyzed 99 domains from Boston's largest organizations and found nearly half (49.5%) haven't reached DMARC enforcement, leaving them open to spoofing and BEC.

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Product Updates

Red Sift’s Quarterly Product Release, Winter 2026

Jan 22, 20266 min readFrancesca Rünger-Field

This Winter, Red Sift Certificates introduces Private PKI Monitoring, expanding certificate visibility beyond the public internet and into private networks and internal environments. This release helps teams close long-standing visibility gaps in private PKI and manage certificates more consistently across modern, hybrid infrastructure. In addition to this update, we’ve also delivered improvements to Red Sift…Continue Reading: Red Sift’s Quarterly Product Release, Winter 2026

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