Cyber Defense Advisors

Year: 2025

SpotBugs Access Token Theft Identified as Root Cause of GitHub Supply Chain Attack

The cascading supply chain attack that initially targeted Coinbase before becoming more widespread to single out users of the “tj-actions/changed-files” GitHub Action has been traced further back to the theft of a personal access token (PAT) related to SpotBugs. “The attackers obtained initial access by taking advantage of the GitHub Actions workflow of SpotBugs, a […]

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Troy Hunt Gets Phished

@ ALL, Getting Phished is to be expected. As two sayings put it, We are all human.To err is human. As I’ve said before, for most people, in most cases of attack, the only reasons it’s not yet happened to you are, 1, It’s a target rich environment.2, Your number has not yet come up.3, […]

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Have We Reached a Distroless Tipping Point?

There’s a virtuous cycle in technology that pushes the boundaries of what’s being built and how it’s being used. A new technology development emerges and captures the world’s attention. People start experimenting and discover novel applications, use cases, and approaches to maximize the innovation’s potential. These use cases generate significant value, fueling demand for the […]

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Critical Ivanti Flaw Actively Exploited to Deploy TRAILBLAZE and BRUSHFIRE Malware

Ivanti has disclosed details of a now-patched critical security vulnerability impacting its Connect Secure product that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2025-22457 (CVSS score: 9.0), concerns a case of a stack-based buffer overflow that could be exploited to execute arbitrary code on affected systems. “A stack-based buffer overflow […]

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OPSEC Failure Exposes Coquettte’s Malware Campaigns on Bulletproof Hosting Servers

A novice cybercrime actor has been observed leveraging the services of a Russian bulletproof hosting (BPH) provider called Proton66 to facilitate their operations. The findings come from DomainTools, which detected the activity after it discovered a phony website named cybersecureprotect[.]com hosted on Proton66 that masqueraded as an antivirus service. The threat intelligence firm said it 

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CERT-UA Reports Cyberattacks Targeting Ukrainian State Systems with WRECKSTEEL Malware

The Computer Emergency Response Team of Ukraine (CERT-UA) has revealed that no less than three cyber attacks were recorded against state administration bodies and critical infrastructure facilities in the country with an aim to steal sensitive data. The campaign, the agency said, involved the use of compromised email accounts to send phishing messages containing links […]

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Critical Flaw in Apache Parquet Allows Remote Attackers to Execute Arbitrary Code

A maximum severity security vulnerability has been disclosed in Apache Parquet’s Java Library that, if successfully exploited, could allow a remote attacker to execute arbitrary code on susceptible instances. Apache Parquet is a free and open-source columnar data file format that’s designed for efficient data processing and retrieval, providing support for complex data, high-performance 

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Microsoft Warns of Tax-Themed Email Attacks Using PDFs and QR Codes to Deliver Malware

Microsoft is warning of several phishing campaigns that are leveraging tax-related themes to deploy malware and steal credentials. “These campaigns notably use redirection methods such as URL shorteners and QR codes contained in malicious attachments and abuse legitimate services like file-hosting services and business profile pages to avoid detection,” Microsoft said in a report shared […]

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HellCat ransomware: what you need to know

HellCat – the ransomware gang that has been known to demand payment… in baguettes! Are they rolling in the dough? Bread it and weep in my article on the Tripwire State of Security blog. 

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