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From Log4j to IIS, China’s Hackers Turn Legacy Bugs into Global Espionage Tools

A China-linked threat actor has been attributed to a cyber attack targeting an U.S. non-profit organization with an aim to establish long-term persistence, as part of broader activity aimed at U.S. entities that are linked to or involved in policy issues. The organization, according to a report from Broadcom's Symantec and Carbon Black teams, is "active in attempting to influence U.S. government

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Trojanized ESET Installers Drop Kalambur Backdoor in Phishing Attacks on Ukraine

A previously unknown threat activity cluster has been observed impersonating Slovak cybersecurity company ESET as part of phishing attacks targeting Ukrainian entities. The campaign, detected in May 2025, is tracked by the security outfit under the moniker InedibleOchotense, describing it as Russia-aligned. "InedibleOchotense sent spear-phishing emails and Signal text messages, containing a link

Cavalry Werewolf Hit Russian Government with New ShellNET Backdoor

Doctor Web uncovers a targeted cyberattack on a Russian government body by the Cavalry Werewolf group using a new ShellNET backdoor and Telegram-based control.

ThreatsDay Bulletin: AI Tools in Malware, Botnets, GDI Flaws, Election Attacks & More

Cybercrime has stopped being a problem of just the internet — it’s becoming a problem of the real world. Online scams now fund organized crime, hackers rent violence like a service, and even trusted apps or social platforms are turning into attack vectors. The result is a global system where every digital weakness can be turned into physical harm, economic loss, or political

APT 'Bronze Butler' Exploits Zero-Day to Root Japan Orgs

A critical security issue in a popular endpoint manager (CVE-2025-61932) allowed Chinese state-sponsored attackers to backdoor Japanese businesses.

Zohran Mamdani Just Inherited the NYPD Surveillance State

In addition to affordability, New York City’s mayor-elect will be forced to reckon with the NYPD’s sweeping mass surveillance operations.

Google Uncovers PROMPTFLUX Malware That Uses Gemini AI to Rewrite Its Code Hourly

Google on Wednesday said it discovered an unknown threat actor using an experimental Visual Basic Script (VB Script) malware dubbed PROMPTFLUX that interacts with its Gemini artificial intelligence (AI) model API to write its own source code for improved obfuscation and evasion. "PROMPTFLUX is written in VBScript and interacts with Gemini's API to request specific VBScript obfuscation and

Researchers Find ChatGPT Vulnerabilities That Let Attackers Trick AI Into Leaking Data

Cybersecurity researchers have disclosed a new set of vulnerabilities impacting OpenAI's ChatGPT artificial intelligence (AI) chatbot that could be exploited by an attacker to steal personal information from users' memories and chat histories without their knowledge. The seven vulnerabilities and attack techniques, according to Tenable, were found in OpenAI's GPT-4o and GPT-5 models. OpenAI has

Kimsuky Debuts HTTPTroy Backdoor Against South Korea Users

The well-known North Korean threat group continues to improve the obfuscation and anti-analysis features of its attack toolchain.

SesameOp Backdoor Abused OpenAI Assistants API for Remote Access

Microsoft researchers found the SesameOp backdoor using OpenAI’s Assistants API for remote access, data theft, and command communication.