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.… https://thecybersecguru.com/news/ovswrap-cve-2026-64531-linux-kernel-openvswitch-root-vulnerability/

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.... https://thecybersecguru.com/networking/domain-name-system-dns-guide/

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… https://thecybersecguru.com/news/google-analytics-down-users-report-service-issues/

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… https://thecybersecguru.com/news/keyv-npm-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… https://thecybersecguru.com/news/address-resolution-protocol-arp/

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 grown into something much bigger, and I'm… https://thecybersecguru.com/announcements/whats-coming-next-on-the-cybersec-guru/

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.... https://thecybersecguru.com/networking/bluetooth-security-guide/

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... https://thecybersecguru.com/crypto-series/evolution-of-money/

Alleged Robinhood Securities Data Leak Claims 300,000 Customer Records for Sale A threat actor claims to be selling 300,000 alleged Robinhood customer records containing names, email addresses, phone numbers… https://thecybersecguru.com/news/robinhood-securities-alleged-data-breach-300000-records/

Password Attacks Cheat Sheet: The Practical Hacking Cheatsheet Series Master password attacks with this practical cheat sheet covering Hashcat, John the Ripper, Hydra, Kerbrute, NetExec, password spraying, wordlists... https://thecybersecguru.com/bmc-series/password-attacks-cheat-sheet/

Amgen Discloses Material Cloud Data Breach Exposing Patient Health Information and Proprietary Data Amgen has disclosed a material cybersecurity incident after attackers stole patient protected health information (PHI) and proprietary… https://thecybersecguru.com/news/amgen-data-breach-2026/

What Is Cryptocurrency? A Complete Beginner’s Guide Learn what cryptocurrency is, why it was invented, how it differs from traditional money, and the technology behind blockchain. This beginner-friendly guide explains Bitcoin,… https://thecybersecguru.com/crypto-series/what-is-cryptocurrency/

OpenAI Expands Investigation After Discovering Additional AI Agent Containment Escapes OpenAI has discovered additional AI agent containment escapes while investigating the Hugging Face security… https://thecybersecguru.com/news/openai-ai-agent-containment-escapes-hugging-face-investigation/

Researcher Demonstrates Authenticated RCE Against MariaDB 13.0.1-rc, Technical Details Remain Undisclosed A researcher has demonstrated an authenticated RCE against MariaDB 13.0.1-rc. We analyze the exploit,… https://thecybersecguru.com/exploits/mariadb-13-0-1-rc-authenticated-rce-analysis/

Reverse Shell Cheat Sheet Master reverse shells with this practical cheat sheet featuring Bash, Python, PowerShell, PHP, Netcat, MSFVenom, web shells, listeners, and TTY... https://thecybersecguru.com/reverse-shell-cheat-sheet/

Nearly $40 Million in Bitcoin Stolen After COLDCARD Seed Generation Flaw Exposes Hundreds of Wallets A critical COLDCARD firmware flaw reduced seed entropy, potentially exposing Bitcoin wallets. Learn how the… https://thecybersecguru.com/news/coldcard-seed-generation-firmware-flaw-bitcoin-wallets/

Anthropic Confirms Claude Hacked Three Real Organizations After Escaping Cybersecurity Test Environment Anthropic reveals Claude AI hacked three real organizations after a cybersecurity evaluation… https://thecybersecguru.com/news/anthropic-claude-hacked-3-organizations-cybersecurity-evaluation/

Cisco Warns of Active Exploitation of Secure Firewall Management Center Flaw Caused by Hardcoded Credentials Cisco confirms active exploitation of CVE-2026-20316, a hardcoded credentials flaw in… https://thecybersecguru.com/news/cisco-fmc-cve-2026-20316-hardcoded-credentials-active-exploitation/

GrapheneOS User Faces Federal Charges After Alleged Use of Duress Password During US Border Search, Raising New Questions About Digital Privacy A US federal case involving GrapheneOS' duress password has reignited… https://thecybersecguru.com/news/grapheneos-duress-password-us-border-search-case/

Revolut Investigates Alleged 75 Million Record Data Leak as Company Disputes Breach Claims Hackers claim to possess an alleged Revolut database containing 75 million user records. Revolut disputes the claims as… https://thecybersecguru.com/news/revolut-alleged-data-breach-75-million-users/

PwC Caught Publishing AI Hallucinations in Research Reports, Extending a Growing Big Four Credibility Problem Researchers found fabricated citations, broken links, and nonexistent studies in multiple PwC Middle East AI… https://thecybersecguru.com/news/pwc-ai-reports-fake-citations-hallucinations/

Coordinated Cyberattack Targets More Than 30 Minnesota Water Systems, Prompting State and Federal Response More than 30 Minnesota community water systems were targeted in a coordinated cyberattack affecting operational… https://thecybersecguru.com/news/minnesota-water-systems-cyberattack-ot/

Critical VMware Flaws Allow Authentication Bypass, Remote Code Execution, and VM Escape Broadcom has patched five VMware vulnerabilities, including critical authentication bypass, remote code… https://thecybersecguru.com/news/critical-vmware-vcenter-auth-bypass-rce-vm-escape-vulnerabilities/

OpenAI’s Rogue AI Agent Compromised a Second Company, Expanding the Scope of the Hugging Face Incident OpenAI confirmed its rogue AI agent compromised a Modal customer and four external accounts during the… https://thecybersecguru.com/news/openai-rogue-ai-agent-second-company-modal-hugging-face/

Claude AI Finds New Weaknesses in Post-Quantum Cryptography and AES, Marking a Milestone for AI-Assisted Cryptanalysis Anthropic's Claude Mythos Preview discovered a new HAWK-256 key recovery attack and a faster… https://thecybersecguru.com/future-sec/claude-mythos-hawk-aes-cryptanalysis/

Bank of Baroda Allegedly Hit by Massive Data Breach as 1 TB of Banking Records Surface Online Bank of Baroda is investigating an alleged 1TB data breach after researchers found internal documents and customer records… https://thecybersecguru.com/news/bank-of-baroda-alleged-1tb-data-breach/

Claude Shared Chats Indexed by Search Engines Raise Privacy Concerns Public Claude shared conversations were discovered in Google and Bing search results, exposing resumes, company projects, and other sensitive… https://thecybersecguru.com/news/claude-shared-chats-google-search-privacy/

Critical Meta Authorization Flaw Exposed Customer Support Emails, Chats, and Uploaded Files A critical Meta authorization vulnerability exposed customer support emails, chats, uploaded files, and PII through… https://thecybersecguru.com/news/meta-support-authorization-vulnerability-exposed-data/

GitLab Vulnerabilities Allow Remote Code Execution on Default Installations Through Oj Parser Exploit Chain GitLab fixed critical vulnerabilities allowing remote code execution through the Oj JSON parser.… https://thecybersecguru.com/news/gitlab-rce-vulnerabilities-oj-parser-remote-code-execution/

Alleged Microsoft Data Breach Claims 130 GB of Corporate Data Published on TOR Leak Site A threat actor claims to have stolen and leaked 130GB of Microsoft corporate data. Here's what is known, what remains unverified, and… https://thecybersecguru.com/news/alleged-microsoft-data-breach-130gb-leak/