Tamilselvan

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Tamilselvan is an Investigative cybersecurity journalist dedicated to breaking stories on ransomware cartels, data breaches, and state-sponsored espionage.

Exclusive articles:

Microsoft Website Displays Security Warning After Certificate Expiry

A widely used Microsoft diagnostic domain began generating browser security warnings on Monday after its TLS certificate expired without renewal, exposing a certificate lifecycle...

Anthropic Updates Privacy Policy to Introduce Identity Verification for Claude Users

Anthropic has updated its Privacy Policy to formalize identity and age verification practices for users of its Claude AI assistant, marking a significant shift...

Critical Jenkins RCE Vulnerability Under Active Exploitation in the Wild

A critical deserialization vulnerability in Jenkins is now being actively exploited by threat actors, with honeypot telemetry confirming live attack attempts as of the...

Critical CodeIgniter File Upload Flaw Allows Validation Bypass, Risks Remote Code Execution

A critical security vulnerability has been discovered in the CodeIgniter4 PHP framework, allowing attackers to bypass file upload validation and potentially achieve remote code...

Windows 11 KB5094126 Update Triggers BitLocker Recovery Prompts, System Freezes, and OneDrive Issues

Microsoft's June 2026 Patch Tuesday cumulative update for Windows 11 KB5094126 (OS Build 26100.8655/26200.8457) is generating widespread backlash from IT administrators and end users...

Breaking

GitHub Copilot CLI Vulnerability Could Enable Developer Secret and Local File Theft

Adversa AI researchers say a booby-trapped web page can...

ASOS Data Breach: Hackers Turn Retailer’s Own App Into a Ransom Note

Customers of UK fashion retailer ASOS received push notifications...

Wikimedia Detects Rogue OpenAI Agents Making Unauthorized Edits and API Requests

The Wikimedia Foundation says it found activity from "rogue"...

Dell System Update Tool Flaw Enables Code Execution Attacks

Dell has patched a critical path traversal flaw, CVE-2026-86360,...
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