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TLS Certificate Lifetimes Are Shrinking: What's Changing
Certificate authorities are moving toward shorter TLS lifetimes. Here's what the changes mean for your renewal process and how to stay ahead.
Read moreEmail SecurityZoom's Outage Shows Why Active Monitoring Is Non-Negotiable
When Zoom went down, organisations that relied on passive monitoring were caught off guard. Here's why active monitoring is the only reliable approach.
Read moreProduct UpdatesOnDMARC Joins Jisc Chest to Protect UK Education
Red Sift OnDMARC is now available via Jisc Chest, making enterprise DMARC accessible to UK universities at negotiated pricing.
Read moreProduct UpdatesRahul Powar on Building OnDMARC: The Origin Story
Red Sift's CEO reflects on why OnDMARC was built, the early challenges of making DMARC accessible, and where the product is headed.
Read moreEmail SecurityMicrosoft announces new email requirements for bulk senders
Update: Includes a revision that Microsoft will now reject messages rather than moving to junk from large senders that don’t meet the sending requirements.. Everything else remains the same. When rejected, the following message will be sent instead “550; 5.7.515 Access denied, sending domain [SenderDomain] doesn’t meet the required authentication level.” This blog: Microsoft has…Continue Reading: Microsoft announces new email requirements for bulk senders
Read moreDMARCStop Phishing via Microsoft Email Routing with Red Sift
Complex Microsoft 365 routing setups can break DMARC alignment. Red Sift OnDMARC handles it — here's how to protect your mail flow.
Read moreProduct UpdatesRed Sift OnDMARC Ranked #1 in EMEA and Europe on G2
Red Sift OnDMARC topped G2's Spring 2025 rankings in both EMEA and Europe for DMARC. Here's the full breakdown of where we placed.
Read moreDMARCThe Mail Check Deadline Has Passed: Are You at Risk?
NCSC's Mail Check service changed its free tier. If your organisation relied on it for DMARC monitoring, here's what to do now.
Read moreCompany NewsMailgun and Red Sift Partner for Stronger Email Auth
Red Sift and Mailgun have partnered to simplify DMARC setup for senders. Here's what the integration delivers and how to get started.
Read moreDMARC60% of Healthcare Organisations Have No DMARC Protection
New research shows most healthcare organisations are dangerously exposed to email impersonation. Here's what the data says and what to do.
Read moreCompany NewsRed Sift Wins 2025 Cybersecurity Excellence Award
Red Sift has taken home a 2025 Cybersecurity Excellence Award for OnDMARC. Here's what the judges recognised and what it means for the product.
Read moreProduct UpdatesRed Sift’s Winter 2025 Quarterly Product Release
This quarter, we’re making security faster, smarter, and more proactive with updates that improve threat detection, reduce manual work, and prevent threats before they escalate. Highlights include: Brand Trust Executive Impersonation: Detect unauthorized use of leadership identities By uploading and managing executive images in Brand Trust, security teams can detect and monitor unauthorized use of…Continue Reading: Red Sift’s Winter 2025 Quarterly Product Release
Read moreAI & SecurityEnhanced Logo Detection with AI: A Hybrid Approach
Detecting brand logos at scale requires more than one model. Here's how Red Sift combines approaches to make logo detection faster and more accurate.
Read moreDMARCPreparing for the Mail Check Deadline: A Practical Guide
NCSC's Mail Check free tier is changing. A step-by-step guide to assessing your exposure and finding the right alternative before the deadline.
Read moreEmail SecurityCollaborative Cybersecurity: Building a Safer Internet
No organisation can secure the internet alone. Here's why collaborative approaches to cybersecurity are essential and what they look like in practice.
Read moreDMARC2.3 million organizations embrace DMARC compliance
Executive Summary: Over the past year, 2.3 million organizations have adopted DMARC, enhancing email security globally. This progress reflects a positive trend toward securing email ecosystems, with certain countries leading the charge. This article: Introduction It has been one year since Google and Yahoo implemented stricter requirements for bulk email senders. Eleven months ago, Red Sift…Continue Reading: 2.3 million organizations embrace DMARC compliance
Read moreProduct UpdatesLet's Encrypt & Red Sift: The Future of Cert Monitoring
Red Sift joined Let's Encrypt for a webinar on the future of certificate monitoring. Here are the key takeaways for security and ops teams.
Read moreCertificatesSix-Day TLS Certificates: What You Need to Know
Proposals for six-day certificate lifetimes would require near-continuous automation. Here's what's being proposed, why, and how to prepare.
Read moreCompany NewsRed Sift Is Let's Encrypt's Recommended Monitoring Service
Let's Encrypt has named Red Sift as its recommended certificate monitoring partner. Here's what that means and how to get set up today.
Read moreCertificatesPCI-DSS Takes Aim at Phishing: What It Means for Compliance
The latest PCI-DSS update puts phishing prevention in scope. Here's what changed, what's required, and how to get ahead of the requirements.
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