# Windows ARM64 Internals: Exception & Privilege Model, Virtual Memory Management, and Windows under Virtualization Host Extensions (VHE) ## Introduction About 5 years ago I put out a blog post about 64-bit “memory paging” on a standard Intel x64-based Windows machine when I was first starting to learn about Windows […]

**Research by:** Antonis Terefos ( **@Tera0017**) In recent years, threat actors have continuously adapted their tactics to discover new and effective methods for malware distribution. While email remains one of the most prominent infection vectors, its effectiveness has diminished due to widespread deployment of security solutions and increased user awareness. Consequently, […]

This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. You can email the site owner […]

Check Point Research (CPR) identified a security vulnerability in January 2025 affecting the new Rust-based kernel component of the _Graphics Device Interface (_ commonly known as `GDI`) in Windows. We promptly reported this issue to Microsoft and they fixed the vulnerability starting with _OS Build 26100.4202_ in the KB5058499 update preview released on May 28th 2025. […]

# yIKEs (WatchGuard Fireware OS IKEv2 Out-of-Bounds Write CVE-2025-9242) > Note from editor: Before we begin, a big welcome to McCaulay Hudson, the newest member of the watchTowr Labs team with his inaugural blog post! Welcome to the mayhem, McCaulay! Today is the 8th of November 1996, and we’re thrilled […]

# Quantum readiness: Hybridizing key exchanges Following our previous article on signatures hybridization, this article covers the basics of hybridizing your key exchanges to ensure maximal security of your data. Looking to improve your skills? Discover our **trainings** sessions! Learn more. More urgently than digital signature schemes, the way we […]

This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. You can email the site owner […]

This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. You can email the site owner […]

This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. You can email the site owner […]

This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. You can email the site owner […]