Free Security Tools & CVE Database

On May 1, 2026, CISA added Copy Fail (CVE-2026-31431) to its Known Exploited Vulnerabilities catalog. Any unprivileged local user on virtually every Linux distribution shipped since 2017 can become root in seconds. Here is what I learned patching this across our Hostinger VPS fleet — what works, what gives a false sense of protection, and how to verify your systems are actually safe.

May 14, 2026 8 min read

Threat Analysis

AI-Built Zero-Day 2FA Bypass: What Google's May 2026 Discovery Means for Your Security

Google's Threat Intelligence Group disclosed on May 11, 2026 that a criminal group used a large language model to develop a zero-day exploit that bypassed two-factor authentication on a popular open-source admin tool. The exploit was caught before mass deployment, but the precedent is set. Here is a practical defensive playbook from 11+ years of running production infrastructure.

May 13, 2026 9 min read

Threat Analysis

Prompt Injection Attacks on AI Customer Support Chatbots: A 2026 Defense Guide for Business Owners

Your customer support chatbot can be talked into leaking customer data, issuing refunds, or running attacker tool calls — without any code exploit. This is how prompt injection actually works in 2026, and the defense layers I use across our own AI helpdesk and revenue-assistant products.

May 12, 2026 9 min read

Threat Analysis

Salt Typhoon Aftermath: Why the FBI Says Quit SMS — A 2026 Migration Guide to Encrypted Messaging and Passkey 2FA

After the Salt Typhoon telecom hack, the FBI and CISA urged Americans to abandon SMS. This 2026 migration guide walks through Signal vs WhatsApp vs iMessage, replacing SMS 2FA with FIDO2 hardware keys and passkeys, and stripping SMS recovery out of high-value accounts.

May 11, 2026 12 min read

Threat Analysis

Device Code Phishing in 2026: How EvilTokens Bypasses MFA and Hijacks Microsoft 365 Accounts

In four weeks of 2026, attackers fired 7 million device code phishing attempts at Microsoft 365 users — bypassing MFA without ever asking for a password. Here is how the EvilTokens kit works, why standard 2FA does not stop it, and the five concrete defenses every M365 user should apply this week.

May 10, 2026 9 min read

Threat Analysis

1.1 Million Password Manager Master Passwords Are Circulating in 2026 — How to Tell If Yours Is One of Them

A single leaked master password can unlock everything you own. Here is how 1.1 million of them ended up in underground markets in 2026, how LummaC2 grabs KeePass and browser vaults, and the lockdown checklist I use across our 50-project stack.

May 9, 2026 11 min read