News

Mercado Bitcoin hack

Mercado Bitcoin hack: how one signing breach drained $46 million across ten blockchains

The CyberSec Guru

Mercado Bitcoin halted withdrawals after a $46M multi-chain drain. See the on-chain trail, the signing-layer failure, and how far Tether's USDT freeze went

Proton AI Coding Mandate: Is Zero-Access Encryption at Risk?

The CyberSec Guru

Leaked Slack chats show Proton pushing AI-written code and questioning pentests. Here is what that means for SRP-6a, OpenPGP and post-quantum keys

Name.com DNS Hijack

Name.com DNS Hijack: How Step Drainer Hit 12 DeFi Protocols Through the Registrar

The CyberSec Guru

A Name.com registrar compromise redirected 12 DeFi domains to Step Drainer on Oct 31, 2026. Timeline, how the drain works, and how to defend

Binance $6.3B Hack Explained

Binance $6.3B Hack Explained: How EIP-7702 Exposed a Crypto Custody Flaw

The CyberSec Guru

The October 29, 2026 Binance breach drained about $6.3 billion. Here is how attackers abused EIP-7702, why HSMs could not stop it, and what exchanges must change

Claude Code Extension Backdoor

Claude Code Extension Backdoor on Open VSX: Analysis and IOCs

The CyberSec Guru

A trojanized anthropic.claude-code 2.1.313 on Open VSX planted an SSH backdoor and reverse tunnel. See how it works, the IOCs, and how to respond

Polymarket Frontend Hack: How a Third-Party Script Drained Wallets

The CyberSec Guru

A breakdown of the October 29, 2026 Polymarket frontend supply-chain attack: the DebugBear RUM script, the timeline, why CSP and SRI fell short, and how to defend

Coinbase Amplitude Breach

Coinbase Amplitude Breach: What the Third-Party Leak Exposed

The CyberSec Guru

Coinbase says no customer funds were affected by the Amplitude analytics breach. See the confirmed timeline, the exposed data and what remains unknown

GoAhead TLS Vulnerabilities Explained

GoAhead TLS Vulnerabilities Explained: CVE-2026-115881 and CVE-2026-115884

The CyberSec Guru

Three GoAhead embedded web server TLS vulnerabilities, explained with code: a missing CRL check, a chain-depth bypass and a one-byte DH prime. Fixed in 6.1.1

CVE-2026-97631

CVE-2026-97631: How a 16-Year-Old EDK II PXE Bug Exposes UEFI Firmware Before the OS Loads

The CyberSec Guru

CVE-2026-97631 is a CVSS 9.5 EDK II PXE flaw that lets a LAN attacker corrupt UEFI firmware before Secure Boot. Impact, root cause and fixes

PSN Account Hack

PSN Account Hack: Why Passkeys and 2FA Didn’t Stop It

The CyberSec Guru

Passkeys and 2FA didn’t stop recent PSN account hack. See how weak support recovery and family-group flaws bypass strong authentication