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Palo Alto Fixes GlobalProtect DoS Flaw That Can Crash Firewalls Without Login

Palo Alto Fixes GlobalProtect DoS Flaw That Can Crash Firewalls Without Login

Jan 15, 2026Ravie LakshmananNetwork Security / Vulnerability Palo Alto Networks has released security updates for a high-severity security flaw impacting GlobalProtect Gateway and Portal, for which it said there exists a proof-of-concept (PoC) exploit. The… 

Researchers Null-Route Over 550 Kimwolf and Aisuru Botnet Command Servers

Researchers Null-Route Over 550 Kimwolf and Aisuru Botnet Command Servers

The Black Lotus Labs team at Lumen Technologies said it null-routed traffic to more than 550 command-and-control (C2) nodes associated with the AISURU/Kimwolf botnet since early October 2025. AISURU and its Android counterpart, Kimwolf, have… 

Hackers Exploit c-ares DLL Side-Loading to Bypass Security and Deploy Malware

Hackers Exploit c-ares DLL Side-Loading to Bypass Security and Deploy Malware

Security experts have disclosed details of an active malware campaign that’s exploiting a DLL side-loading vulnerability in a legitimate binary associated with the open-source c-ares library to bypass security controls and deliver a wide range… 

Fortinet Fixes Critical FortiSIEM Flaw Allowing Unauthenticated Remote Code Execution

Fortinet Fixes Critical FortiSIEM Flaw Allowing Unauthenticated Remote Code Execution

Jan 14, 2026Ravie LakshmananVulnerability / Patch Management Fortinet has released updates to fix a critical security flaw impacting FortiSIEM that could allow an unauthenticated attacker to achieve code execution on susceptible instances. The operating system… 

64% of 3rd-Party Applications Access Sensitive Data Without Justification

64% of 3rd-Party Applications Access Sensitive Data Without Justification

Research analyzing 4,700 leading websites reveals that 64% of third-party applications now access sensitive data without business justification, up from 51% in 2024. Government sector malicious activity spiked from 2% to 12.9%, while 1 in… 

Critical Node.js Vulnerability Can Cause Server Crashes via async_hooks Stack Overflow

Critical Node.js Vulnerability Can Cause Server Crashes via async_hooks Stack Overflow

Jan 14, 2026Ravie LakshmananApplication Security / Vulnerability Node.js has released updates to fix what it described as a critical security issue impacting “virtually every production Node.js app” that, if successfully exploited, could trigger a denial-of-service… 

PLUGGYAPE Malware Uses Signal and WhatsApp to Target Ukrainian Defense Forces

PLUGGYAPE Malware Uses Signal and WhatsApp to Target Ukrainian Defense Forces

Jan 14, 2026Ravie LakshmananCyber Espionage / Threat Intelligence The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of new cyber attacks targeting its defense forces with malware known as PLUGGYAPE between October and… 

Long-Running Web Skimming Campaign Steals Credit Cards From Online Checkout Pages

Long-Running Web Skimming Campaign Steals Credit Cards From Online Checkout Pages

Jan 13, 2026Ravie Lakshmanan Web Security / Data Theft Cybersecurity researchers have discovered a major web skimming campaign that has been active since January 2022, targeting several major payment networks like American Express, Diners Club,…