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News digests, tutorials, tool reviews and articles — always with sources.

News CTF & Competitions 2026-08-25

BlackHat MEA CTF Qualification 2026

Registration is now open for the qualifying round of the Black Hat MEA Capture The Flag competition, organized by Saudi Arabia's SAFCSP

News CVE & Vulnerabilities 2026-08-25

CVE-2026-78050 — Comfast CF-N1-S Stack Overflow

A stack-based buffer overflow has been found in Comfast CF-N1-S wireless routers running firmware 2.6.0.1, located in the NTP timezone

News Cybersecurity 2026-08-24

Microsoft Defender's Own Driver Can Be Weaponized to Delete Security Software at Boot

Check Point researchers found that Microsoft Defender's own boot-time cleanup driver, BTR.sys, can be abused to perform kernel-level file and registry changes

News Cybersecurity 2026-08-23

Rust Supply Chain Attack Puts Build-Time Malware in Crates with 245 Million Downloads

A maintainer's account was compromised to publish new versions of three widely used Rust packages, adding a booby-trapped dependency

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