Cyber Defense Advisors

Year: 2025

New Malware Loaders Use Call Stack Spoofing, GitHub C2, and .NET Reactor for Stealth

Cybersecurity researchers have discovered an updated version of a malware loader called Hijack Loader that implements new features to evade detection and establish persistence on compromised systems. “Hijack Loader released a new module that implements call stack spoofing to hide the origin of function calls (e.g., API and system calls),” Zscaler ThreatLabz researcher Muhammed Irfan […]

Cyber News

Over 1,500 PostgreSQL Servers Compromised in Fileless Cryptocurrency Mining Campaign

Exposed PostgreSQL instances are the target of an ongoing campaign designed to gain unauthorized access and deploy cryptocurrency miners. Cloud security firm Wiz said the activity is a variant of an intrusion set that was first flagged by Aqua Security in August 2024 that involved the use of a malware strain dubbed PG_MEM. The campaign […]

Cyber News

Enterprise Gmail Users Can Now Send End-to-End Encrypted Emails to Any Platform

On the 21st birthday of Gmail, Google has announced a major update that allows enterprise users to send end-to-end encrypted (E2EE) to any user in any email inbox in a few clicks. The feature is rolling out starting today in beta, allowing users to send E2EE emails to Gmail users within an organization, with plans […]

Cyber News

The AI Fix #44: AI-generated malware, and a stunning AI breakthrough

In episode 44 of The AI Fix, ChatGPT won’t build a crystal meth lab, GPT-4o improves the show’s podcast art, some students manage to screw in a lightbulb, Google releases Gemini 2.5 Pro Experimental and nobody notices, and Mark invents a clock for measuring AI time. Graham explains how ChatGPT’s love for Young Adult fiction […]

Cyber News

Lucid PhaaS Hits 169 Targets in 88 Countries Using iMessage and RCS Smishing

A new sophisticated phishing-as-a-service (PhaaS) platform called Lucid has targeted 169 entities in 88 countries using smishing messages propagated via Apple iMessage and Rich Communication Services (RCS) for Android. Lucid’s unique selling point lies in its weaponizing of legitimate communication platforms to sidestep traditional SMS-based detection mechanisms. “Its scalable, subscription-based model enables cybercriminals to conduct […]

Cyber News

Apple Backports Critical Fixes for 3 Recent 0-Days Impacting Older iOS and macOS Devices

Apple on Monday backported fixes for three vulnerabilities that have come under active exploitation in the wild to older models and previous versions of the operating systems. The vulnerabilities in question are listed below – CVE-2025-24085 (CVSS score: 7.3) – A use-after-free bug in the Core Media component that could permit a malicious application already […]

Cyber News

Nearly 24,000 IPs Target PAN-OS GlobalProtect in Coordinated Login Scan Campaign

Cybersecurity researchers are warning of a spike in suspicious login scanning activity targeting Palo Alto Networks PAN-OS GlobalProtect gateways, with nearly 24,000 unique IP addresses attempting to access these portals. “This pattern suggests a coordinated effort to probe network defenses and identify exposed or vulnerable systems, potentially as a precursor to targeted exploitation,” threat intelligence […]

Cyber News

New Case Study: Global Retailer Overshares CSRF Tokens with Facebook

Are your security tokens truly secure? Explore how Reflectiz helped a giant retailer to expose a Facebook pixel that was covertly tracking sensitive CSRF tokens due to human error misconfigurations. Learn about the detection process, response strategies, and steps taken to mitigate this critical issue. Download the full case study here. By implementing Reflectiz’s recommendations, […]

Cyber News

China-Linked Earth Alux Uses VARGEIT and COBEACON in Multi-Stage Cyber Intrusions

Cybersecurity researchers have shed light on a new China-linked threat actor called Earth Alux that has targeted various key sectors such as government, technology, logistics, manufacturing, telecommunications, IT services, and retail in the Asia-Pacific (APAC) and Latin American (LATAM) regions. “The first sighting of its activity was in the second quarter of 2023; back then, […]

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