Big Tech
Big Tech analyzes decisions by major platforms and their impact on security, privacy, infrastructure and the market. The cluster connects product announcements, strategic changes and technical consequences for users and businesses.
Microsoft Defender Zero-Days Under Active Attack; CISA Mandates Patching by June 3
Microsoft has confirmed that two vulnerabilities in Microsoft Defender are being actively exploited in the wild. CISA has added both f…
Microsoft Open-Sources RAMPART and Clarity to Secure AI Agent Workflows
Microsoft has unveiled two open-source security tools for AI agents: RAMPART, a Pytest-native framework for build-time testing, and Cl…
1Password and OpenAI Partner to Provide Just-in-Time Credentials for AI Agents
1Password integrates its Environments MCP Server into OpenAI's Codex, enabling just-in-time credentialing for AI coding agents to prev…
GitHub Breach: 3,800 Internal Repositories Stolen via Malicious VS Code Extension
GitHub has confirmed a security breach affecting approximately 3,800 internal repositories after an employee device was compromised by…
BitLocker Bypassed: New Zero-Day Trio Targets Windows Following Patch Tuesday
An analysis of the YellowKey, GreenPlasma, and MiniPlasma vulnerabilities disclosed shortly after the May 2026 Patch Tuesday, impactin…
Microsoft Neutralizes Fox Tempest: Malware-Signing-as-a-Service Operation Dismantled
Microsoft has disrupted Fox Tempest, a sophisticated 'Malware-Signing-as-a-Service' operation that leveraged stolen identities to expl…
Microsoft Dismantles Fox Tempest: The Takedown of a Global Malware-Signing Syndicate
Microsoft’s Digital Crimes Unit has seized the infrastructure of Fox Tempest, a major 'malware-signing-as-a-service' provider that ena…
May Patch Tuesday: A Rare Zero-Day Break Amid Record AI Discovery Volumes
Microsoft’s May 2026 update ends a two-year streak of active zero-days, patching approximately 137 vulnerabilities. However, the integ…
Active Exchange Zero-Day: Unpatched OWA Vulnerability Under Exploitation
Microsoft has confirmed CVE-2026-42897, a zero-day XSS vulnerability in on-premise Exchange servers currently under active attack. Wit…
CISA Contractor Exposed AWS GovCloud Credentials and Plaintext Passwords on GitHub for Months
A federal contractor at Nightwing exposed administrative AWS GovCloud credentials and internal passwords in plaintext on GitHub for ov…
Safari Regex Engine Vulnerability Allows Remote Code Execution via Duplicate Named Groups
Apple has patched a high-severity (CVSS 8.8) remote code execution vulnerability in Safari. The flaw involves a heap-based buffer over…
Apple Safari WebCore Vulnerability: ZDI-26-312 Enables Remote Code Execution
A use-after-free vulnerability in Safari’s WebCore style resolver allows for remote code execution through user interaction, affecting…