Targeted
Threat Intelligence

CitrixBleed Vulnerability Exploited by Hackers Within 24 Hours of Public Disclosure

A newly disclosed CitrixBleed-class vulnerability in Citrix NetScaler appliances came under active exploitation less than a day after public disclosure, with de...

DHS Confirms Breach of Information-Sharing Network Platform HSIN

The Department of Homeland Security has confirmed that hackers breached the Homeland Security Information Network (HSIN), a sensitive but unclassified platform ...

ThreatsDay: AI Compute Hijacking, Apple Email Flaw, BlueHammer Ransomware + 14 Stories

This week’s security news is mostly about weak spots. Browsers, bots, sandboxes, AI systems, and email flows all show the same problem in different ways. Every...

ChatGPT File Download Flow Vulnerability Could Be Abused to Access System Files

A proof-of-concept vulnerability chain in ChatGPT that combined a guardrail bypass with a path traversal flaw, potentially allowing attackers to access restrict...

Google loses final appeal to overturn €4.1 billion EU fine

Court of Justice of the European Union (CJEU) has dismissed Google's final appeal against a €4.1 billion ($4.7 billion) antitrust fine over the company's use of...

New CitrixBleed Vulnerability Exploited Immediately After Public Disclosure

Hackers are targeting NetScaler appliances using public PoC code to retrieve arbitrary memory content in the HTTP response. The post New CitrixBleed Vulnerabili...

900+ Oracle E-Business instances Exposed Online Amid Active Vulnerability Exploitation

More than 900 Oracle E‑Business Suite instances have been found exposed on the public internet. At the same time, attackers actively exploit a critical vulnerab...

ConsentFix and ClickFix: How Microsoft 365 Accounts are Hijacked in 3 Seconds

ConsentFix and ClickFix attacks steal Microsoft 365 tokens in seconds using fake prompts and OAuth flows. Learn how these MFA bypass tactics work and how to def...

Hackers Use Fake VLC Executable and Malicious libvlc.dll to Deploy ValleyRAT

Cybercriminals have found a clever way to slip past security defenses by hiding malware inside a program most people trust without a second thought. Researchers...

Hackers Use Legitimate VLC Executable and Malicious libvlc.dll to Deploy ValleyRAT

Cybercriminals have found a clever way to slip past security defenses by hiding malware inside a program most people trust without a second thought. Researchers...

Opera Blocks Clipboard Attacks, Including ClickFix, With New Paste Protect Feature

Opera has introduced a new built-in security feature called Paste Protect, designed to defend users against clipboard-based cyberattacks, including the increasi...

Microsoft Outlook Bug Removes Copilot Button For Windows Users

A software defect in classic Outlook for Windows caused Copilot Chat and Copilot entry points to vanish for affected users, with Microsoft confirming the issue ...

Agentic Ransomware JADEPUFFER Uses Base64 Python Payloads to Harvest Cloud and API Keys

Ransomware has always needed a human at the keyboard or writing the script behind it. That assumption no longer holds. Researchers have documented what appears ...

Cisco Catalyst Center Vulnerability Allows Remote Attackers to Read Arbitrary Files

Cisco has disclosed a high-severity vulnerability in its Catalyst Center platform that could allow unauthenticated remote attackers to read arbitrary files from...

Hackers Use Mapbox Dead-Drop C2 and Python RAT to Target Vulnerability Researchers

Security researchers have uncovered a long-running campaign that turns trusted proof-of-concept exploits into weapons against the very people who study vulnerab...

How to Conduct a Successful Audit of AI-Driven Software Development

As AI-generated code becomes commonplace, CISOs need new audit strategies to measure developer practices, govern AI tool usage, and identify software risks befo...

ToddyCat-Linked Umbrij Malware Abuses OAuth to Access Gmail via Google API

The threat actor known as ToddyCat has been attributed to a new malware called Umbrij that's designed to gain surreptitious access to a victim's email correspon...

FortiBleed Campaign Linked to INC, Lynx Ransomware Attacks

Researchers say credentials harvested from hundreds of thousands of FortiGate firewalls are being used to facilitate ransomware attacks by the INC and Lynx oper...

Anthropic's AI Finds Bugs. IBM Bets $5B It Can Fix Them.

IBM and Red Hat assign 20,000 engineers to the new Project Lightwell service as Anthropic's Mythos findings ignite debate over how to secure the open-source sof...

Microsoft fixes bug that removed Copilot buttons in Outlook

Microsoft has fixed a known issue causing the Copilot Chat or Copilot buttons in Classic Outlook to disappear for Windows users with the Copilot Chat (Basic) li...