Cyber Defense Advisors

Year: 2025

Chinese Hackers Target Linux Systems Using SNOWLIGHT Malware and VShell Tool

The China-linked threat actor known as UNC5174 has been attributed to a new campaign that leverages a variant of a known malware dubbed SNOWLIGHT and a new open-source tool called VShell to infect Linux systems. “Threat actors are increasingly using open source tools in their arsenals for cost-effectiveness and obfuscation to save money and, in […]

Cyber News

Critical Apache Roller Vulnerability (CVSS 10.0) Enables Unauthorized Session Persistence

A critical security vulnerability has been disclosed in the Apache Roller open-source, Java-based blogging server software that could allow malicious actors to retain unauthorized access even after a password change. The flaw, assigned the CVE identifier CVE-2025-24859, carries a CVSS score of 10.0, indicating maximum severity. It affects all versions of Roller up to and […]

Cyber News

Majority of Browser Extensions Can Access Sensitive Enterprise Data, New Report Finds

Everybody knows browser extensions are embedded into nearly every user’s daily workflow, from spell checkers to GenAI tools. What most IT and security people don’t know is that browser extensions’ excessive permissions are a growing risk to organizations. LayerX today announced the release of the Enterprise Browser Extension Security Report 2025, This report is the […]

Cyber News

Malicious PyPI Package Targets MEXC Trading API to Steal Credentials and Redirect Orders

Cybersecurity researchers have disclosed a malicious package uploaded to the Python Package Index (PyPI) repository that’s designed to reroute trading orders placed on the MEXC cryptocurrency exchange to a malicious server and steal tokens. The package, ccxt-mexc-futures, purports to be an extension built on top of a popular Python library named ccxt (short for CryptoCurrency […]

Cyber News

Crypto Developers Targeted by Python Malware Disguised as Coding Challenges

The North Korea-linked threat actor assessed to be behind the massive Bybit hack in February 2025 has been linked to a malicious campaign that targets developers to deliver new stealer malware under the guise of a coding assignment. The activity has been attributed by Palo Alto Networks Unit 42 to a hacking group it tracks […]

Cyber News

Gladinet’s Triofox and CentreStack Under Active Exploitation via Critical RCE Vulnerability

A recently disclosed security flaw in Gladinet CentreStack also impacts its Triofox remote access and collaboration solution, according to Huntress, with seven different organizations compromised to date. Tracked as CVE-2025-30406 (CVSS score: 9.0), the vulnerability refers to the use of a hard-coded cryptographic key that could expose internet-accessible servers to remote code execution attacks 

Cyber News

Meta Resumes E.U. AI Training Using Public User Data After Regulator Approval

Meta has announced that it will begin to train its artificial intelligence (AI) models using public data shared by adults across its platforms in the European Union, nearly a year after it paused its efforts due to data protection concerns from Irish regulators. “This training will better support millions of people and businesses in Europe, […]

Cyber News

Trump Revenge Tour Targets Cyber Leaders, Elections

President Trump last week revoked security clearances for Chris Krebs, the former director of the Cybersecurity and Infrastructure Security Agency (CISA) who was fired by Trump after declaring the 2020 election the most secure in U.S. history. The White House memo, which also suspended clearances for other security professionals at Krebs’s employer SentinelOne, comes as […]

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ResolverRAT Campaign Targets Healthcare, Pharma via Phishing and DLL Side-Loading

Cybersecurity researchers have discovered a new, sophisticated remote access trojan called ResolverRAT that has been observed in attacks targeting healthcare and pharmaceutical sectors. “The threat actor leverages fear-based lures delivered via phishing emails, designed to pressure recipients into clicking a malicious link,” Morphisec Labs researcher Nadav Lorber said in a report shared with The 

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