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Security News, Assessments & Alerts

Security Issues, Vulnerabilities, Exploits & Government Alerts

Iran-Linked Handala Hack Tied to HEAVYGRAM Telegram Backdoor That Can Steal Passwords

Iran-Linked Handala Hack Tied to HEAVYGRAM Telegram Backdoor That Can Steal Passwords

The Iran-linked “hacktivist” persona known as Handala Hack has been attributed to a Telegram-based surveillance backdoor called HEAVYGRAM and a Delphi-based utility known as CRUDEEXCLUDE. “HEAVYGRAM offers builtin commands supporting remote command execution, system, network… 

Critical Unbound DNSSEC Validator Flaw Could Allow RCE via a Malicious DNS Zone

Critical Unbound DNSSEC Validator Flaw Could Allow RCE via a Malicious DNS Zone

Swati KhandelwalSep 17, 2026Vulnerability / DNS Security Every release of the Unbound DNS resolver before 1.26.1 has a critical heap overflow in its DNSSEC validator, maintainer NLnet Labs said in an advisory on Wednesday. An attacker who… 

Can You Prove a New CVE Is Exploitable Before Attackers Do? Learn How in This Webinar

Can You Prove a New CVE Is Exploitable Before Attackers Do? Learn How in This Webinar

The Hacker NewsSep 17, 2026Security Operations / Artificial Intelligence A new CVE drops. Your scanner finds it. The severity score looks ugly. But that still does not answer the question that matters: Can it actually… 

China-Aligned FamousSparrow Deploys SparroWocky Backdoor Across Latin America

China-Aligned FamousSparrow Deploys SparroWocky Backdoor Across Latin America

Ravie LakshmananSep 17, 2026Malware / Cyber Espionage The China-aligned state-sponsored threat actor known as FamousSparrow has been observed deploying a previously unreported backdoor called SparroWocky in attacks targeting multiple countries in Latin America since at… 

OpenAI Reveals Six Model Incidents Involving Hidden Failures and Unauthorized Uploads

OpenAI Reveals Six Model Incidents Involving Hidden Failures and Unauthorized Uploads

Ravie LakshmananSep 17, 2026Artificial Intelligence / Vulnerability OpenAI on Wednesday disclosed six new instances of “unexpected or concerning model behavior” that took place over the past six months, while sharing a new framework for reporting,…