The Red Sift Blog

Red Sift’s AI Agent, Part III: Performance in Action
This is the third article in our AI Agent series. In Part 1, we introduced Red Sift’s AI Agent for lookalike classification – an intelligent solution for handling the ambiguous cases that rule-based automation can’t confidently resolve, offering analyst-grade triage autonomously. In Part 2, we took readers behind the scenes to explore the engineering challenges...Continue Reading: Red Sift’s AI Agent, Part III: Performance in Action

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AI

Red Sift’s AI Agent, Part III: Performance in Action

Phong Nguyen

This is the third article in our AI Agent series. In Part 1, we introduced Red Sift’s AI Agent for lookalike classification – an intelligent solution for handling the ambiguous cases that rule-based automation can’t confidently resolve, offering analyst-grade triage autonomously. In Part 2, we took readers behind the scenes to explore the engineering…

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Finance

41% of top Fintech companies are vulnerable to email phishing

Jack Lilley

Only 26% of leading Fintechs enforce DMARC at p=reject, the strongest protection against spoofing by bad actors. Phishing remains a top driver of breaches and fraud. Financial services are a prime target because email moves money, resets passwords, and confirms identity. Verizon’s 2025 Data Breach Investigations Report again lists social engineering and phishing among…

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Certificates

New in Certificates Lite: Active certificate scanning and smarter expiry alerts

Francesca Rünger-Field

A quick recap Earlier this year, we launched Red Sift Certificates Lite, the free TLS certificate expiration monitoring service recommended by Let’s Encrypt. Since launch, thousands of organizations have adopted it to track their certificates and avoid expiry-related outages. What we heard from customers At launch, we had adopted Let’s Encrypt’s approach for consistency…

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AI

Red Sift’s AI Agent, Part II: Optimization for accuracy and scale

Phong Nguyen

In our previous blog post, we introduced Red Sift’s AI Agent for lookalike classification – an intelligent system that determines whether a suspicious domain has been deliberately crafted to mimic a legitimate one or if the resemblance is merely coincidental. That post focused on the what and why of the solution: why rule-based automation…

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Brand Protection

Separating signal from noise when fighting brand spoofing

Rahul Powar

“Alert fatigue” must be the most common malady among cybersecurity professionals. According to a recent survey, 56% of large companies handle 1,000+ alerts each day. For 70% of security professionals, the volume of alerts has doubled in the past few years, with more than 51% of campaigns involving some form of AI-generated brand spoofing.…

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Research

49% of Big Pharma companies are vulnerable to email phishing as weaponized…

Rahul Powar

New analysis from Red Sift of the 100 largest pharma companies shows nearly half of the sector is still open to domain spoofing. Only 51% of companies are at DMARC enforcement (p=reject)—the control that stops spoofed email at the door. Another 13% sit at p=quarantine, which offers limited filtering but does not equal enforcement.…

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News

Red Sift now offered through GuidePoint Security in new partnership

Rahul Powar

Organizations seeking to elevate their cybersecurity posture can now benefit from Red Sift’s advanced innovations, supported by GuidePoint Security’s expertise in aligning the right solutions to each customer’s needs. BOSTON & LONDON, 08:00 ET/ 13:00 BST, 10 September 2025 – Red Sift today announced a strategic reseller partnership with GuidePoint Security, the leading U.S.…

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Awards

From Europe to Asia Pacific: OnDMARC earns global recognition in G2’s Fall…

Francesca Rünger-Field

G2’s Fall 2025 Report is out, and Red Sift OnDMARC continues to earn recognition across the globe. This quarter, we were featured in 19 reports, including a new appearance in the Asia Pacific Regional Grid® Report for DMARC, reinforcing our position as a trusted solution for securing email and protecting brands worldwide. We also…

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AI

AI supercharges airline phishing: Why email security must catch up

Rahul Powar

Executive summary: Only 1 in 5 airlines enforces DMARC at the highest level, leaving customers exposed to phishing attacks that are now supercharged by AI. With billions at stake and national security on the line, airlines must move fast by adopting strong email authentication, deploying AI to counter AI, and leading by example across…

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DMARC

74% of US credit unions vulnerable to email spoofing: Is your organization…

Stuart Rogers

Email remains a heavy lifter for credit unions, whether it’s member notices, statements, loan workflows, or vendor coordination. That’s exactly why impersonation keeps paying, with the National Credit Union Association (NCUA) warning that all credit unions and vendors are active targets for phishing and social engineering, and urges rapid incident reporting when attacks hit.…

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DKIM

La Poste annonce de nouvelles exigences d’authentification des e-mails pour tous les…

Jack Lilley

La Poste (laposte.net) a annoncé aujourd’hui des changements importants à ses exigences d’authentification des e-mails qui entreront en vigueur en septembre 2025. Ces nouvelles exigences changeront fondamentalement la façon dont les e-mails sont traités et livrés aux adresses e-mail de La Poste. Qu’est-ce qui change ? À partir de septembre, La Poste mettra en…

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DMARC

La Poste announces new email authentication requirements for all senders

Jack Lilley

La Poste (laposte.net) has today announced significant changes to its email authentication requirements that will take effect in September 2025. These new requirements will fundamentally change how emails are processed and delivered to La Poste email addresses. What’s changing? Starting in September, La Poste will implement strict email authentication protocols that will affect all…

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DMARC

Put your Microsoft Azure commitment (MACC) to work with Red Sift OnDMARC

Francesca Rünger-Field

When organizations sign commercial agreements with Microsoft, they often include a Microsoft Azure Consumption Commitment (MACC). In simple terms, this is a pledge to spend a set amount on Azure over one to three years. It ensures predictable cloud spend for Microsoft and, in return, can unlock better pricing and incentives for the customer.…

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AI

Staying ahead of AI-powered brand impersonation

Rahul Powar

Executive summary: AI has supercharged brand impersonation, with Q2 2024 seeing nearly half of all processed emails containing spoofing or phishing attempts—40% of which were AI-generated. The scale, speed, and sophistication of these attacks are overwhelming security teams, draining resources on false positives, and leaving critical threats undetected. Consumers are unforgiving when trust is…

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BEC

What is email spoofing and how can you prevent it?

Faisal Misle

Executive summary: Email spoofing is a growing cyber threat where attackers forge the sender’s address to impersonate trusted sources, enabling phishing, business email compromise, and financial fraud. Because legacy email protocols like SMTP lack strong authentication, spoofing can bypass traditional filters. Organizations can mitigate this risk by implementing robust email authentication measures, especially DMARC.…

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Email

What is social engineering and how can you prevent it?

Jack Lilley

Executive summary: Email phishing has evolved and criminals now use social engineering to impersonate executives, suppliers, and even government agencies, persuading recipients to approve payments or disclose credentials. Because human judgment sits at the heart of these attacks, technical controls that eliminate spoofed messages before they reach the inbox are essential. DMARC provides that…

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Cybersecurity

Attackers are abusing Microsoft 365: Here’s how to stay protected

Jack Lilley

Executive summary: Varonis has surfaced an active phishing campaign that spoofs internal users by abusing Microsoft 365’s Direct Send feature. Because Direct Send doesn’t require authentication and is treated as “internal,” these messages often bypass the checks you rely on for outside mail. Microsoft now offers an opt-in switch, RejectDirectSend, to block the pathway,…

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BEC

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

Jack 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…

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DMARC

More than 50% of US banks remain vulnerable to phishing attacks

Stuart Rogers

Executive summary: Over half of major U.S. banks remain exposed to phishing attacks because of weak or absent DMARC enforcement, despite rising cybercrime losses and increasingly sophisticated email threats. Operational challenges, regulatory gaps, and underestimation of risk hinder stronger protections, putting customer trust and financial stability in jeopardy. Key takeaways Email remains the primary…

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Product Release

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

Francesca Rünger-Field

Event Hub is a new capability that streams real-time, structured security events from Red Sift products into the platforms security teams already use: SIEMs, SOARs, XDRs, ticketing tools, messaging platforms, and cloud storage. It enables faster, more consistent response by pushing telemetry directly into the workflows where detection, triage, and remediation already happen. Whether…

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Thought Leadership

How the EU can mandate stronger email security

Antony Seedhouse

Executive summary: The article examines how the EU can proactively close email security gaps by leveraging the NIS2 Directive to mandate robust, harmonized standards like DMARC, DKIM, and SPF across all member states. By acting now, the EU not only protects its digital ecosystem but also sets a global benchmark for cybersecurity best practices.…

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