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New Interrupt Injection Attack Bypasses Spectre v2 Defenses on Intel and AMD CPUs
MIT CSAIL researchers discovered Interrupt Injection, a new speculative execution attack that bypasses Spectre v2 mitigations on Intel and AMD CPUs
Apple WebKit Flaws Can Leak Real IP Addresses Despite iCloud Private Relay and Proxy Browsers
Researchers discovered three WebKit behaviors that bypass Apple Private Relay and proxy browsers, exposing users' real IP addresses and DNS requests on iOS and macOS
OVSwrap (CVE-2026-64531): How a 13-Year-Old Open vSwitch Bug Became a Reliable Linux Root Exploit
OVSwrap (CVE-2026-64531) is a Linux kernel privilege escalation flaw affecting Open vSwitch. Explore the vulnerability, exploit chain and more
DNS Explained: How the Domain Name System Works from Root Servers to DNSSEC
Learn how the Domain Name System (DNS) works, from domain names and recursive resolution to DNS records, packet analysis, DNSSEC, DoH etc.
Google Analytics Users Report Widespread Issues as Dashboard Access and Reporting Appear Disrupted
Google Analytics users are reporting widespread dashboard, reporting, and Real-Time issues. Here's what is happening, who is affected, and the latest updates
Keyv npm Supply Chain Attack: GitHub Account Compromise Led to Credential-Stealing Malware Across the JavaScript Ecosystem
Popular npm package Keyv v6.0.0 and multiple Cacheable ecosystem packages were compromised in a massive software supply chain attack
Address Resolution Protocol (ARP): How IPv4 Devices Discover Each Other on an Ethernet Network
Learn everything about the Address Resolution Protocol (ARP), including how ARP works, ARP cache, ARP requests and replies, Gratuitous ARP etc.
What’s Coming Next on The CyberSec Guru
The CyberSec Guru started as a place to share cybersecurity news, technical analysis, and educational content. Over time, it has ...
Bluetooth Security Guide: Architecture, Protocol Stack & BlueBorne
Master Bluetooth security with an in-depth guide covering Bluetooth Classic, BLE, protocol stack, pairing, Linux tools, vulnerabilities, BlueBorne etc.
The Evolution of Money: From Barter to Digital Currency
Explore the complete evolution of money from barter and commodity money to coins, paper currency, the gold standard, fiat money, digital payments, and Bitcoin
