Redsift were listed alongside the likes of Tessian, Senseon and CyNation as a top UK startup company providing cybersecurity solutions.
On April 16, 2025, Zoom experienced a significant global outage that disrupted video conferencing services and access to its website for thousands of users, as well as their corporate email for all their employees. It was quickly identified as a domain name registration status problem. Despite being a critical name for Zoom, somehow, the…
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Phishing campaigns continue to change. Attackers are adapting faster than traditional security tools, using more subtle methods to bypass filters and reach inboxes. The latest KnowBe 4 Phishing Threat Trends Report (2025) shows a steady increase in attacks that slip through email security platforms and a growing use of techniques that avoid detection, increasing…
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With the National Cyber Security Centre’s (NCSC) Mail Check tool having retired its free DMARC reporting service in March 2025, education and research institutions across the UK are now facing a critical visibility gap when it comes to email-based threats. To help address this, Red Sift is now working with Jisc—the UK’s not-for-profit provider…
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Executive Summary: New email authentication rules from Microsoft will impact bulk senders starting May 2025. To protect users from spoofing and phishing, Microsoft will require SPF, DKIM, and DMARC authentication—bringing its policies in line with Google and Yahoo. Red Sift offers tools to help organizations comply and maintain deliverability. This article: Microsoft has officially…
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