Brian Westnedge

The NCSC is discontinuing Mail Check & Web Check on 31 March 2026.

Huge respect for 7+ years helping UK organisations strengthen email security and web resilience.

At Red Sift we're here to help your migration: redsift.com/guides/ncsc-...

Most Penn domains are open to spoofing and phishing from a DMARC perspective: www.msn.com/en-us/money/...

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Closing the Gap: Why Enforce DMARC in 2026 BEC losses hit $6B in 2024, yet most domains lack DMARC. Treat email as a strategic risk — enforce DMARC in 2026 to stay protected.

DMARC is a rare control that removes an entire class of malicious email, helps companies remain compliant with new email requirements, and should be the center of an email security plan for 2026. www.darkreading.com/cybersecurit... via @redsift.com

Respectfully disagree. I’m a Cal grad who lives in Boulder and there is no way that any of these stadiums, which I’ve all been to and are lovely, are more scenic than Folsom Field.

Nice @faisal.fm!

Let's meet up at @blackhatevents.bsky.social to discuss how we can leverage @redsift.com AI-powered cybersecurity solutions and data for your company and explore strategic and technical partnership opportunities!

Book a meet or let's connect at a social event! calendly.com/d/cs4j-8d2-x...

SVGs with JavaScript are bypassing traditional email security SVG files are designed to be harmless image files. Yet attackers have discovered they can hide JavaScript inside an SVG’s XML code and trick email gateways.

blog.redsift.com/email/svgs-w...

Threat Actors Exploit SVG Files in Stealthy JavaScript Redirects A new phishing campaign uses SVG files for JavaScript redirects, bypassing traditional detection methods

The emails...are sent using spoofed addresses or domains that mimic legitimate brands. Many of the recipient domains lacked proper email authentication controls, including:

No DKIM records
Missing or unenforced DMARC policies
Misconfigured SPF settings www.infosecurity-magazine.com/news/hackers...

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Red Sift Brand Trust joins Cisco portfolio to extend domain and brand protection - Red Sift Blog Red Sift has expanded its partnership with Cisco to include Red Sift Brand Trust, enabling exact and lookalike domain defense within CDP.

🔊 Cisco Security has added Red Sift Brand Trust to its domain protection stack—going beyond DMARC to stop lookalike threats at scale.

Read it here: blog.redsift.com/news/red-sif...

Cloudflare selects Red Sift as preferred partner to provide DMARC and advanced email security - Red Sift Blog Cloudflare customers now benefit from Red Sift OnDMARC—ranked #1 in Europe and EMEA by G2—strengthening their defenses against advanced phishing and email-based threats.

We’re proud to announce that Cloudflare has named @redsift.com a preferred DMARC provider to help customers defend against next-gen email threats: blog.redsift.com/email/cloudf...

Getting Outlook.com Ready for Bulk Email Compliance Microsoft has set May 5 as the deadline for bulk email compliance. In this Tech Tip, we show how organizations can still make the deadline.

www.darkreading.com/cloud-securi... via @faisal.fm

DMARCbis: What are the changes and how to be ready DMARCbis, also known as DMARC 2.0, is the forthcoming update to the DMARC email authentication protocol with an expectation to be finalized and published in 2025.

blog.redsift.com/email/dmarc/... via @redsift.com

TLS certificates are changing: What you need to know TLS certificates are about to get significantly shorter-lived. Starting 15 March 2026, newly issued public-trust certificates will max out at 200 days, dropping to 47 days by 2029.

blog.redsift.com/uncategorize... via @redsift.com

How misconfigured DKIM enables replay attacks Email authentication isn't just an IT concern. It protects your brand and customers. A single misstep can let attackers spoof your domain. One of the most dangerous methods? The DKIM replay attack.

blog.redsift.com/email/dkim/t... via @redsift.com

You Have 14 Days To Comply — New Rules Impact 500 Million Outlook Users Microsoft to enforce strict email authentication rules for Outlook.com users on May 5 — what you need to know.

www.forbes.com/sites/daveyw... via @faisal.fm @redsift.com

Zoom stops zooming: Why active monitoring is essential On April 16, 2025, Zoom experienced a significant global outage that disrupted video conferencing services and access to its website for thousands of users.

Oops! blog.redsift.com/asm/zoom-sto...

Why DMARC matters: Protect your organization from phishing Learn about the challenges facing organizations, why traditional defenses fall short, and why DMARC should be your priority.

blog.redsift.com/research/why...

Red Sift OnDMARC joins the Jisc Chest platform to strengthen email security in the education sector - Red Sift Blog Red Sift is now working with Jisc—the UK’s not-for-profit provider of digital and technology services for education and research. As part of this collaboration, Red Sift OnDMARC is now available to pu...

Big news in the UK NCSC Mailcheck and education fields. In collaboration with @jisc.bsky.social, @redsift.com OnDMARC is now available for direct purchase from the Chest platform blog.redsift.com/news/red-sif...

Well I was supposed to upload another episode of Emails Not Dead today but my MacBook has decided to hit the ol dusty trail and retire.

Please listen to our season opener with @bwestnedge.bsky.social on how we’re trying to make DMARC easier!

www.mailgun.com/resources/po...

Strengthening Email Ecosystem: Outlook’s New Requirements for High‐Volume Senders | Microsoft Community Hub Introduction In an era where email remains one of the most widely used tools for personal and business communications, Outlook is stepping up its commitment...

Microsoft announces sender requirements for consumer email domains, matching Google and Yahoo: techcommunity.microsoft.com/blog/microso...

Mailgun Launches Free DMARC Reporting to Improve Email Security | Mailgun Mailgun now offers free DMARC reporting in partnership with Red Sift, giving senders actionable insights to protect domains, prevent spoofing, and boost deliverability.

Mailgun expands email security with free DMARC reporting in partnership with @redsift.com www.mailgun.com/blog/product...

Enhanced logo detection with AI: A hybrid approach Logo detection is crucial for brand protection, helping identify logo misuse in lookalike domains and fraudulent activities.

blog.redsift.com/ai/enhanced-...

Ending Support for Expiration Notification Emails Since its inception, Let’s Encrypt has been sending expiration notification emails to subscribers that have provided an email address to us. We will be ending this service on June 4, 2025. The d...

@letsencrypt.bsky.social are ending support for expiration notification emails. They recommend using @redsift.com to fill that void.
letsencrypt.org/2025/01/22/e...

Google's DMARC Push Pays Off, but Challenges Remain A year after Google and Yahoo started requiring DMARC, the adoption rate of the email authentication specification has doubled; and yet, 87% of domains still remain unprotected.

New @redsift.com research: www.darkreading.com/remote-workf...

2.3 million organizations embrace DMARC compliance - Red Sift Blog It has been one year since Google and Yahoo implemented stricter requirements for bulk email senders. Eleven months ago, Red Sift shared an update based on data from BIMI Radar, which revealed a conce...

New @redsift.com research shows 2.3m more domains have adopted DMARC in 2024 following new Google and Yahoo requirements. While a nice increase, there is more to be done, with 86.62% of domains still lacking adequate protection against today’s growing cyber threats blog.redsift.com/email/dmarc/...

The Good, the Bad, and the Politics of Biden’s Cybersecurity Order President Biden in the last few days of his administration issued an expansive cybersecurity EO that touched on issues like software supply chain, AI, and foreign adversaries. Many approved of the eff...

The Good, the Bad, and the Politics of Biden’s Cybersecurity Order securityboulevard.com/2025/01/the-...

Exploring the complexities of cyber insurance with Harpreet Mann - Red Sift Blog Sean Costigan delves into the intricacies of cyber insurance with Harpreet Mann, President of Amynta Trade Credit and Political Risk Solutions.

New @redsift.bsky.social podcast out focusing on cyber insurance blog.redsift.com/podcast/expl...

Predictions for 2025: Cybersecurity and the increasing rise of AI 2025 has arrived, where cybersecurity and AI will be defined by the deepening interplay between technology and governance, get the scoop from CEO Rahul Powar.

2025 will redefine cybersecurity and AI through deeper tech-governance integration, AI in everyday business, and cybersecurity as a business enabler.

Discover 4 key predictions for the year ahead with CEO Rahul Powar: blog.redsift.com/cybersecurit...