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:

37-Year-Old OpenBSD Kernel Flaw Lets Attackers Gain Root Access – PoC Released

A newly disclosed OpenBSD kernel exploitation chain combines a shared memory accounting flaw with a separate out-of-bounds write to obtain root privileges. Published on...

GhostAction Hackers Infect 94 GitHub Repositories With Fake Font Malware to Steal Credentials

GhostAction attackers have compromised 94 GitHub repositories with a second-stage payload that disguises credential-stealing JavaScript as a font file. The campaign abuses Visual Studio...

Indian Government Warns SideCopy Hackers Are Targeting Organizations With ReverseRAT Malware

Indian authorities have warned that the SideCopy advanced persistent threat group is targeting Indian organizations, including academic institutions, with spear-phishing attacks that deploy ReverseRAT...

iOS 27.0.1 Jailbreak Survives Reboot and Restores Root Access on iPhone 18 Pro

Security researchers from cybersecurity firm Calif demonstrated an untethered jailbreak for iOS 27.0.1 on Apple’s iPhone 18 Pro at Hexacon 2026 in Paris on...

Multiple MOVEit Transfer Flaws Could Let Attackers Bypass MFA and Access Sensitive Data

Progress has disclosed 12 security vulnerabilities in MOVEit Transfer that could expose sensitive information, undermine authentication controls, and enable unauthorized administrative access. The September...

Breaking

ConnectWise SkyKick Credentials Abused in Microsoft 365 Attacks, Backup Services Shut Down

Attackers abused a compromised credential from ConnectWise Cloud Backup...

Anthropic’s Claude AI Solves 25-Year-Old NSA Cryptography Mystery in Under 30 Minutes

Anthropic says an internal Claude research model identified how...

Hackers Exploit Critical WordPress Flaws to Execute Remote Code Without Authentication

A critical WordPress exploit chain dubbed WP2Shell lets unauthenticated...

37-Year-Old OpenBSD Kernel Flaw Lets Attackers Gain Root Access – PoC Released

A newly disclosed OpenBSD kernel exploitation chain combines a...
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