Welcome to Security Lab Insights, your central hub for the latest email security intelligence. Here, you’ll find a comprehensive collection of in-depth analysis from Hornetsecurity’s Security Lab, specializing in forensic examinations of current and critical security threats. Designed for CISOs, Microsoft 365 admins, and all cybersecurity enthusiasts, this hub will keep you informed about the latest trends and best practices to safeguard your organization against evolving cyber threats. Explore our research library to discover valuable insights and stay ahead of the curve.
The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space. This edition of the Monthly Threat Report focuses on industry events from the month of February 2026.
At Hornetsecurity, our Threat Research and Response activities continuously analyze real-world email attacks observed across global customer environments. This article shares what we see from the front lines, based on months of investigation.
The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space. This edition of the Monthly Threat Report focuses on data and industry events from the month of January 2026.
The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space. This edition of the Monthly Threat Report focuses on data from the month of December 2025.
The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space. This edition of the Monthly Threat Report focuses on data and industry events from the month of November 2025.
The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space. This edition of the Monthly Threat Report focuses on industry occurrences from the month of October 2025.
The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space.
The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space. This edition of the Monthly Threat Report focuses on industry events and content from the month of August 2025.
The Monthly Threat Report by Hornetsecurity brings you monthly insights into M365 security trends, email-based threats, and commentary on current events in the cybersecurity space. This edition of the Monthly Threat Report focuses on industry events and content from the month of August 2025.
Active exploitation of the Citrix Bleed 2 vulnerability has prompted emergency patch mandates, while Chinese state-backed attacks on Viasat and North American telecoms signal escalating geopolitical cyber threats. At the same time, breaches at Zoomcar and the lingering Snowflake-Ticketmaster incident expose millions to phishing risks, as concerns over shadow AI, weak governance, and emerging lightweight malware like Myth Stealer dominate the threat landscape.
Recent cyberattacks have disrupted major retailers like Marks & Spencer and Dior and led to emergency security patches from Microsoft and Google for actively exploited zero-day vulnerabilities. Meanwhile, a breach at the educational software provider PowerSchool has resulted in extortion threats against US school districts, highlighting the significant downstream risks of compromised SaaS platforms.
Sophisticated cybercriminals exploit this limitation by creating slightly modified visual representations that can slip past basic computer vision techniques. Part Three of our series delves into advanced content-based near duplicate detection techniques that address these critical gaps. By leveraging object recognition, embedded text comparison and hybrid approaches, we will detect sophisticated visual threats, providing customers with cutting-edge cybersecurity protection.
