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316 articles

Email Security

Attackers Are Abusing Microsoft 365: How to Stay Protected

Jul 29, 20254 min readJack Lilley

Threat actors are exploiting legitimate Microsoft 365 features to bypass security controls. Here's what the attacks look like and how to shut them down.

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DMARC

SVGs with JavaScript are bypassing traditional email security: Learn how to stay secure 

Jul 16, 20253 min readJack Lilley

Executive summary: Hackers are hiding JavaScript inside SVG attachments that pass as harmless images, and slipping past Secure Email Gateways (SEGs). To stay secure, organizations need to enforce a DMARC policy of p=reject, easily implemented with Red Sift OnDMARC, to stop compromised SVGs before they reach the end user. Key takeaways: Scalable Vector Graphics (SVG)…Continue Reading: SVGs with JavaScript are bypassing traditional email security: Learn how to stay secure

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DMARC

Over 50% of US Banks Remain Vulnerable to Phishing Attacks

Jul 9, 20255 min readStuart Rogers

New research shows the majority of US banks still lack DMARC enforcement, leaving customers exposed to impersonation. Here's what the data shows.

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Product Updates

Stream Red Sift telemetry to Sentinel, Splunk, and more with Event Hub

Jul 1, 20253 min readFrancesca Rünger-Field

January 2026 update: Event Hub now supports threat-based telemetry from OnDMARC, including forensic and aggregate threat events. These feeds allow teams to ingest DMARC threat intelligence directly into their security operations, correlate it with other signals, and take proactive steps to mitigate phishing and malicious sending activity. Event Hub is a new capability that streams…Continue Reading: Stream Red Sift telemetry to Sentinel, Splunk, and more with Event Hub

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Email Security

How the EU Can Mandate Stronger Email Security

Jun 25, 202510 min readAntony Seedhouse

Europe has the regulatory leverage to raise the baseline for email security. Here's what a mandate could look like and why now is the right moment.

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Product Updates

Europe's #1 for DMARC: Red Sift OnDMARC Does It Again

Jun 24, 20252 min readFrancesca Rünger-Field

Red Sift OnDMARC has retained its top ranking in Europe for DMARC on G2. Here's what the data behind that ranking looks like.

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DMARC

73% of Healthcare Breaches Involve Domains Without DMARC

Jun 23, 20254 min readFaisal Misle

New data shows nearly three quarters of healthcare breaches involve organisations with no DMARC enforcement. Here's what that means for the sector.

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2025 Mark Certificate Requirements 1.7 Changes

Jun 17, 20253 min readJack Lilley

Review the five changes introduced in Mark Certificate Requirements version 1.7 on January 22, 2025, with current VMC and CMC guidance.

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DMARC

The Future of Email Security: What's Coming Next

Jun 12, 20255 min readJack Lilley

From AI-generated phishing to evolving authentication standards, here's how Red Sift sees email security developing — and how to stay ahead.

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DMARC

Why DMARC Is Non-Negotiable for Aviation Security

Jun 10, 20253 min readJack Lilley

Aviation is a high-stakes target for email fraud. Here's why DMARC enforcement is critical for airlines, airports, and the wider supply chain.

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AI & Security

Red Sift's First AI Agent for Lookalike Classification

Jun 9, 20256 min readFrancesca Rünger-Field

Red Sift has debuted the industry's first AI agent for lookalike domain classification. Here's how it works and what it means for brand protection.

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Company News

Red Sift Brand Trust Joins the Cisco Security Portfolio

Jun 9, 20254 min readFrancesca Rünger-Field

Red Sift Brand Trust is now part of the Cisco security portfolio, extending domain and brand protection to Cisco's customer base.

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DMARC

Why DMARC Should Top Your MSP Roadmap in 2025

Jun 5, 20254 min readJack Lilley

MSPs that don't offer DMARC are leaving clients exposed and revenue on the table. Here's why it belongs at the top of every security roadmap.

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Red Sift’s 2025 Spring Quarterly Product Release

Jun 4, 20254 min readFrancesca Rünger-Field

This Spring, we’ve delivered targeted updates to improve compliance, simplify certificate management, and strengthen infrastructure visibility so you can take action faster and with more confidence.

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Email Security

The threat of Business Email Compromise in US healthcare

May 29, 20256 min readJack Lilley

Executive summary: Business Email Compromise is siphoning billions from US healthcare by exploiting human trust instead of software flaws. Spoofed or hijacked messages authorize fraudulent payments, spark ransomware, and expose patient data—causing crippling financial, operational, and compliance damage. Deploying DMARC, MFA, and rigorous multi-person payment checks is now critical. 3 key takeaways Business Email Compromise…Continue Reading: The threat of Business Email Compromise in US healthcare

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DMARC

New Zealand Mandates DMARC: What It Means for Your Org

May 27, 20254 min readJack Lilley

New Zealand joins the list of governments mandating DMARC enforcement. Here's what the policy requires and how to get compliant fast.

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Company News

Cloudflare Selects Red Sift as Preferred DMARC Partner

May 27, 20254 min readRebecca Warren

Cloudflare has chosen Red Sift OnDMARC as a preferred partner for DMARC and advanced email security. Here's what it means for customers.

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DMARC

DMARC ROI: The Business Case for Email Authentication

May 14, 20255 min readJack Lilley

DMARC delivers measurable ROI through reduced fraud, improved deliverability, and lower incident costs. Here's how to make the case internally.

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DMARC

Microsoft's Update Drove a 400,000 Domain DMARC Surge

May 1, 20253 min readJack Lilley

Microsoft's high-volume sender requirements triggered a wave of DMARC adoption. Here's what drove it and what it means for email security.

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Company News

Red Sift and Gradian Partner to Strengthen Email Security

Apr 30, 20254 min readJack Lilley

Red Sift has partnered with Gradian to bring OnDMARC to more organisations. Here's what the partnership offers and how to access it.

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