Breaches

Former IBM Threat Intelligence VP Alleges IBM and AT&T Hid Nation-State Breaches From Federal Government in Unsealed False Claims Act Lawsuit

A False Claims Act lawsuit originally filed under seal in 2020 has been unsealed after the federal government declined to join as co-plaintiff, revealing explosive allegations from IBM's former Vice President of Threat Intelligence that both IBM and AT&T systematically concealed nation-state hacking incidents

Breaches

Meta Confirms 20,000 Instagram Accounts Hijacked After Attackers Exploit AI-Powered Support System to Bypass Authentication

Meta has disclosed that over 20,000 Instagram accounts were hijacked after attackers exploited a vulnerability in the company's AI-powered High Touch Support (HTS) system — an account recovery tool designed to help users regain access after being locked out. The flaw allowed unauthorized password resets without verifying

Threats

Five Eyes Warn Chinese Military Intelligence Recruiting Government and Military Personnel Through Fake Job Offers on LinkedIn and Indeed

The intelligence agencies of all five Five Eyes nations have issued a joint alert warning that Chinese military intelligence officers are conducting coordinated recruitment campaigns on professional networking platforms, targeting government and military personnel with access to classified or privileged information. The alert — co-authored by the FBI, MI5, the

Alerts

PAN-OS Authentication Bypass Under Active Exploitation — Attackers Initiating Unauthorized VPN Sessions via GlobalProtect (CVE-2026-0257)

Palo Alto Networks Unit 42 has confirmed active exploitation of CVE-2026-0257, an authentication bypass vulnerability in the portal and gateway components of PAN-OS that allows unauthorized attackers to circumvent security controls and initiate VPN connections through GlobalProtect. CISA added the flaw to its Known Exploited Vulnerabilities catalog

Breaches

GitHub Confirms TeamPCP Breach of 3,800 Internal Repositories After Employee Installed Poisoned VS Code Extension

GitHub has confirmed that approximately 3,800 internal repositories were compromised after a TeamPCP supply chain attack that began with a single employee installing a poisoned Visual Studio Code extension. The breach was announced on Tuesday after TeamPCP posted claims on an underground forum offering GitHub's stolen source

Threats

Nx Console VS Code Extension Compromised — 2.2 Million Installs Exposed to Credential Stealer With Sigstore Supply Chain Poisoning Capability

A compromised version of the Nx Console extension — a popular VS Code plugin with over 2.2 million installations — was published to the Visual Studio Code Marketplace after an attacker leveraged stolen developer credentials to inject a multi-stage credential stealer into the official nrwl/nx GitHub repository. The malicious

Breaches

Grafana Confirms GitHub Breach After Coinbase Cartel Demands Ransom — Codebase Stolen via Compromised Token

Grafana Labs has confirmed a data breach after attackers used a compromised token to access the company's GitHub environment and download its entire codebase. The open source visualization and analytics platform disclosed the incident on Sunday, two days after cybercrime group Coinbase Cartel listed Grafana on its leak

Threats

Pre-Stuxnet Sabotage Malware Fast16 Confirmed as Nuclear Weapons Simulation Tampering Tool Dating Back to 2005

Symantec and Carbon Black have published a definitive analysis confirming that Fast16, a Lua-based malware framework first surfaced by SentinelOne weeks ago, was purpose-built to sabotage nuclear weapons testing simulations. The findings establish Fast16 as the earliest known cyber sabotage tool targeting nuclear weapons research — predating the first

Alerts

Chaotic Eclipse Releases MiniPlasma — A Five-Year-Old Windows Zero-Day That Still Grants SYSTEM Privileges on Fully Patched Systems

Chaotic Eclipse has released a third wave of Windows zero-day disclosures, publishing a proof-of-concept for a privilege escalation vulnerability codenamed MiniPlasma that grants SYSTEM privileges on fully patched Windows systems — including those running the latest May 2026 updates. The flaw resides in cldflt.sys, the Windows Cloud

Threats

FamousSparrow Targets Azerbaijani Oil and Gas Firm in Three-Wave Campaign Using ProxyNotShell, Deed RAT, and Kernel-Level Rootkit

Bitdefender Labs has documented a sustained espionage campaign by Chinese-aligned APT group FamousSparrow against an oil and gas company in Azerbaijan, carried out across three distinct waves between December 2025 and February 2026. The campaign marks a strategic pivot for the group toward South Caucasus energy infrastructure and demonstrates

Alerts

Chaotic Eclipse Returns With Two More Windows Zero-Days — BitLocker Bypass YellowKey and CTFMON Privilege Escalation GreenPlasma

The anonymous security researcher known as Chaotic Eclipse — responsible for the BlueHammer, RedSun, and UnDefend Microsoft Defender zero-days that ZDW covered last month — has returned with two additional Windows zero-days, escalating an increasingly public confrontation with Microsoft over vulnerability disclosure handling. The first vulnerability, codenamed YellowKey, is a

Alerts

SAP Patches Critical Code Injection Flaws in S/4HANA and Commerce Cloud

SAP has released 15 security notes as part of its May 2026 Security Patch Day, including fixes for two critical vulnerabilities carrying CVSS scores of 9.6 in S/4HANA and Commerce Cloud. The S/4HANA flaw, tracked as CVE-2026-34260, is an SQL injection caused by missing input