Brian Westnedge
@bwestnedge.bsky.social
Email security guy at www.redsift.com from Boulder, CO. I like music, travel, dogs, beer and sports. I dislike crazy social platforms.
Reposted by 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-...
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-...
November 7, 2025 at 11:24 AM
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-...
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/...
MSN
www.msn.com
November 3, 2025 at 3:43 PM
Most Penn domains are open to spoofing and phishing from a DMARC perspective: www.msn.com/en-us/money/...
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
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.
www.darkreading.com
October 13, 2025 at 8:04 PM
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
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...
Book a meet or let's connect at a social event! calendly.com/d/cs4j-8d2-x...
July 31, 2025 at 3:45 PM
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...
Book a meet or let's connect at a social event! calendly.com/d/cs4j-8d2-x...
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...
No DKIM records
Missing or unenforced DMARC policies
Misconfigured SPF settings www.infosecurity-magazine.com/news/hackers...
Threat Actors Exploit SVG Files in Stealthy JavaScript Redirects
A new phishing campaign uses SVG files for JavaScript redirects, bypassing traditional detection methods
www.infosecurity-magazine.com
July 15, 2025 at 6:20 PM
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...
No DKIM records
Missing or unenforced DMARC policies
Misconfigured SPF settings www.infosecurity-magazine.com/news/hackers...
Reposted by Brian Westnedge
🔊 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...
Read it here: blog.redsift.com/news/red-sif...
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.
blog.redsift.com
June 9, 2025 at 12:01 PM
🔊 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...
Read it here: blog.redsift.com/news/red-sif...
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...
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.
blog.redsift.com
May 27, 2025 at 2:43 PM
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...
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...
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...
blog.redsift.com
April 10, 2025 at 1:53 PM
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...
Reposted by Brian Westnedge
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...
Please listen to our season opener with @bwestnedge.bsky.social on how we’re trying to make DMARC easier!
www.mailgun.com/resources/po...
Podcasts | Mailgun Resource Center | Mailgun
Check out Mailgun's podcast, Email's Not Dead. Listen to industry experts and email geeks discuss and debate topics impacting email and how we communicate.
www.mailgun.com
April 9, 2025 at 4:36 PM
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...
Please listen to our season opener with @bwestnedge.bsky.social on how we’re trying to make DMARC easier!
www.mailgun.com/resources/po...
Microsoft announces sender requirements for consumer email domains, matching Google and Yahoo: techcommunity.microsoft.com/blog/microso...
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...
techcommunity.microsoft.com
April 2, 2025 at 5:36 PM
Microsoft announces sender requirements for consumer email domains, matching Google and Yahoo: techcommunity.microsoft.com/blog/microso...
Mailgun expands email security with free DMARC reporting in partnership with @redsift.com www.mailgun.com/blog/product...
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.
www.mailgun.com
March 17, 2025 at 2:05 PM
Mailgun expands email security with free DMARC reporting in partnership with @redsift.com www.mailgun.com/blog/product...
Reposted by Brian Westnedge
@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...
letsencrypt.org/2025/01/22/e...
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.org
February 5, 2025 at 12:46 PM
@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...
letsencrypt.org/2025/01/22/e...
New @redsift.com research: www.darkreading.com/remote-workf...
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.
www.darkreading.com
February 7, 2025 at 6:16 PM
New @redsift.com research: www.darkreading.com/remote-workf...
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/...
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...
blog.redsift.com
February 5, 2025 at 5:26 PM
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 securityboulevard.com/2025/01/the-...
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...
securityboulevard.com
January 20, 2025 at 5:31 PM
The Good, the Bad, and the Politics of Biden’s Cybersecurity Order securityboulevard.com/2025/01/the-...
New @redsift.bsky.social podcast out focusing on cyber insurance blog.redsift.com/podcast/expl...
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.
blog.redsift.com
January 14, 2025 at 4:39 PM
New @redsift.bsky.social podcast out focusing on cyber insurance blog.redsift.com/podcast/expl...