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100+ Compromised Websites Use Fake Cloudflare Checks to Deliver LunexStealer

100+ Compromised Websites Use Fake Cloudflare Checks to Deliver LunexStealer

Ravie LakshmananOct 07, 2026Malware / Web Security The Computer Emergency Response Team of Ukraine (CERT-UA) has identified more than 100 compromised websites that have been injected with malicious JavaScript to serve an information-stealing malware called… 

Fake ChatGPT, Gemini, and Claude Ad Portals Capture Credentials and MFA Codes

Fake ChatGPT, Gemini, and Claude Ad Portals Capture Credentials and MFA Codes

Cybersecurity researchers have disclosed details of a “human-operated phishing platform” that impersonates advertising products for artificial intelligence (AI) chatbots like Google Gemini, Anthropic Claude, OpenAI ChatGPT, Perplexity, Meta Muse, and Manus. The products, which claim… 

Linux Backdoors Impersonate Email Security Tools to Evade Detection in Korea and Taiwan

Linux Backdoors Impersonate Email Security Tools to Evade Detection in Korea and Taiwan

Linux backdoors targeting telecom and network appliances in South Korea and Taiwan have been disguising their traffic as email services and seemingly legitimate processes to blend in and evade detection. Threat actors are known to… 

LibreOffice and OpenOffice Flaws Let Malicious Spreadsheets Run Code Without Macro Warnings

LibreOffice and OpenOffice Flaws Let Malicious Spreadsheets Run Code Without Macro Warnings

Swati KhandelwalOct 06, 2026Vulnerability / Open Source A malicious spreadsheet can make LibreOffice and Apache OpenOffice run an attacker’s code as soon as the file is opened, security researchers have shown. There is no warning… 

Wikimedia Says OpenAI Agents Tried to Compromise Etherpad and Use Wiki Tools as Proxies

Wikimedia Says OpenAI Agents Tried to Compromise Etherpad and Use Wiki Tools as Proxies

The Wikimedia Foundation, which hosts Wikipedia, has confirmed that it has discovered activity by rogue OpenAI agents on its platforms, including unsuccessful efforts to compromise Etherpad, a public note-taking tool, and edit Wikipedia pages. “The… 

Google Pauses OSS Product Bug Bounty Rewards After Surge in Invalid Automated Reports

Google Pauses OSS Product Bug Bounty Rewards After Surge in Invalid Automated Reports

Swati KhandelwalOct 06, 2026Vulnerability / Open Source Google has stopped accepting product vulnerability reports through its bug bounty program for its open-source software. The change, in effect since October 1, means researchers can no longer… 

Critical Atlassian Flaw Lets Unauthenticated Attackers Read Known Files Across 8 Products

Critical Atlassian Flaw Lets Unauthenticated Attackers Read Known Files Across 8 Products

A critical flaw in 8 Atlassian Data Center products, which customers host themselves, allows an attacker with no login access to read specific files in each product’s web application root directory. The attacker must already… 

FBI Removes Accenture Contractor After Patch Failure Led to ShinyHunters Breach

FBI Removes Accenture Contractor After Patch Failure Led to ShinyHunters Breach

Ravie LakshmananOct 06, 2026 The U.S. Federal Bureau of Investigation (FBI) has removed an Accenture contractor for their alleged role in a ShinyHunters-breach that led to the theft of personal details of thousands of bureau… 

Denmark Says Attackers Accessed CPR Data for 8.8 Million People via Company Account

Denmark Says Attackers Accessed CPR Data for 8.8 Million People via Company Account

Unauthorized parties have gained access to the names, addresses, and personal identification numbers of about 8.8 million people, living and dead, in Denmark’s national population register, the country’s digitalization ministry said on October 5. They used…