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VP Customer Engineering, Billy McDiarmid

Billy McDiarmid

VP Customer EngineeringBlog

DMARC, DKIM, SPF & BIMI: 5-minute playbook for Security and Marketing

Good email security starts with basic authentication. Learn why implementing essential protocols like DMARC isn't just a benefit for security teams.

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Billy + Rahul webinar recap

Attackers are industrializing at scale: Where defenders stand in 2026

Active Cyber Defence: Mail Check and Web Check transition with Ciaran Martin and Rahul Powar

G2 Top 50 award

Red Sift named a 2026 G2 Best UK Software Company

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D.C research cover

43% of Washington D.C.'s top organizations vulnerable to phishing

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New York research cover

Over a quarter of New York's top organizations still exposed to email spoofing

Boston research cover

50% of Boston's top organizations lack full DMARC protection

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Certs Management vs CLM blog cover

Certificate Monitoring versus Certificate Lifecycle Management

PCI DSS blog cover

How to build an inventory of certificates for PCI DSS 4.0 Requirement 4.2.1.1

What is email spoofing and how can you prevent it_

What is email spoofing and how can you prevent it?

41% of top Fintech companies are vulnerable to email phishing

41% of top Fintech companies are vulnerable to email phishing

Introducing Red Sift Radar Lite_ AI-powered security analysis for everyone

Introducing Red Sift Radar Lite: AI-powered security analysis for everyone

Gmail's enforcement ramps up: What bulk senders need to know

Over 40% of essential services companies remain vulnerable to phishing

Over 40% of essential services companies remain vulnerable to phishing

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Top platforms for enterprise DMARC enforcement_ Technical comparison for Security Leaders

Top platforms for enterprise DMARC enforcement: Technical comparison for Security Leaders

Best enterprise DMARC solution_  Red Sift OnDMARC

Best enterprise DMARC solution: Red Sift OnDMARC

SPF, DKIM, and DMARC_ the three protocols protecting your inbox (and why you need all of them)

SPF, DKIM, and DMARC: the three protocols protecting your inbox (and why you need all of them)

How to simplify DMARC, SPF, and DKIM management

How to simplify DMARC, SPF, and DKIM management

Finding the right DMARC team

Finding the right DMARC monitoring tool: A practical guide for security teams

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3 free tools for quick email security testing

3 free tools for quick email security testing

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DMARC, DKIM, SPF & BIMI: 5-minute playbook for Security and Marketing

IETF calls for end of ARC experiment_ What it means for email authentication

IETF calls for end of ARC experiment: What it means for email authentication

Red Sift on G-Cloud 14_ Your trusted partner for the NCSC Web Check transition

Red Sift on G-Cloud 14: Your trusted partner for the NCSC Web Check transition

What is DMARC and how does it work effectively

What is DMARC and how does it work effectively?

How brand monitoring could have prevented the $400,000 Costco lobster heist

52% of US insurance brokers remain vulnerable to email spoofing

52% of US insurance brokers remain vulnerable to email spoofing

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Microsoft backs DMARC as protection against Tycoon 2FA phishing surge

Microsoft backs DMARC as protection against Tycoon 2FA phishing surge

Cryptographic discovery requires deep infrastructure expertise and big data

Cryptographic discovery requires deep infrastructure expertise and big data

Certificate Lifecycle Management needs a dedicated monitoring platform

Certificate Lifecycle Management needs a dedicated monitoring platform

Towards monthly certificate renewal

Towards monthly certificate renewal

UK Cyber Action Plan sets the standard that private businesses must match

UK Cyber Action Plan sets the standard that private businesses must match

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