The CyberSec Guru

Januscape (CVE-2026-53359): The 16-Year-Old KVM Bug That Lets a Guest VM Take Down Its Host
CVE-2026-53359, dubbed Januscape, is a 16-year-old KVM use-after-free letting guest VMs crash or escalate into the host. Here's the full technical breakdown

GoDaddy Is Quietly Fighting for WHOIS Privacy, and Almost No One’s Paying Attention
Delhi High Court ordered registrars to end default WHOIS privacy. GoDaddy's 5,000-page appeal explains why, and how it collides with RDAP's 2025 rollout

UK Green Paper Would Force YouTube, Meta and TikTok to Rank BBC and ITV Above Independent Creators
The UK's Green Paper would force YouTube, Meta and TikTok to rank BBC and ITV news higher. Here's the actual mechanism, timeline and legal status

Bad Epoll: Inside CVE-2026-46242, the Race Condition an AI Model Read Right Past
Learn how Bad Epoll (CVE-2026-46242) enables Linux root access through an epoll race condition, why AI missed it, exploit details, impact, and mitigation

Unearthing a 19-Year-Old Linux Kernel Zero-Day: The Deep Dive into CVE-2026-43456
Learn how CVE-2026-43456, a 19-year-old Linux kernel zero-day, enables privilege escalation through a bonding driver type confusion vulnerability

Beginner’s Guide to Conquering MakeSense on Hack the Box
Conquer MakeSense on Hack The Box like a pro with the beginner's HTB writeup. Dominate this challenge and level up your cybersecurity skills

DHS Confirms HSIN Breach: Inside the Hack That Hit America’s Homeland Security Coordination Platform Weeks Before the World Cup Final
DHS confirms a breach of HSIN, its SharePoint-linked intelligence network. Technical analysis of CVE-2026-45659, World Cup exposure, and the 2023 precedent

iptables Explained: The Complete Linux Firewall Guide (2026)
Learn iptables from the ground up: tables, chains, rules, persistence, and the misconfigurations attackers actually look for. Full 2026 guide

Apple’s Hide My Email has a Vulnerability in it and the company has known for over a year
Apple's Hide My Email has an unpatched flaw that reveals real addresses in minutes. Reported in June 2025, still exploitable. Full technical breakdown






