Holiday Phishing Scams 2026: How Attackers Spoof Brands Around Black Friday and Christmas
Blog, CybersecurityBlack Friday and Christmas bring a surge in brand spoofing and phishing scams. Discover the top holiday scams of 2026, red flags to watch for, and how brands stop domain abuse.
Microsoft 550 5.7.1: Message Lacks SPF/DKIM/DMARC Auth Records (AS9031519)
Blog, CybersecurityGetting “Message lacks SPF/DKIM/DMARC Auth Records” (AS9031519)? Learn how to troubleshoot Microsoft’s 550 5.7.1 rejection and fix authentication issues.
What Is DNS Zone Transfer and Why Is It a Security Vulnerability?
Blog, CybersecurityLearn what a DNS zone transfer is, how AXFR and IXFR work, why open zone transfers expose your infrastructure, and how to restrict and monitor them.
Japan Data Breaches 2026: What Happened at Skyticket and Muji
Blog, CybersecuritySkyticket and Muji disclosed breaches affecting millions of customers in October 2026. Here is what was exposed, the phishing risk that follows, and how brands can protect their domains.
What Is DNS Filtering and How Does It Work?
Blog, CybersecurityDNS filtering blocks access to malicious and unwanted domains at the DNS level. Learn how it works, its benefits and limits, and how to choose a DNS filtering service.
SMTP & API Email Solutions for Enhanced Security and Deliverability in 2026
Blog, CybersecurityCompare top SMTP and email API services like Mailtrap, SendGrid, and Amazon SES alongside PowerDMARC to optimize email security and inbox placement.