Cyber Defense Advisors

Month: April 2025

Microsoft Credits EncryptHub, Hacker Behind 618+ Breaches, for Disclosing Windows Flaws

A likely lone wolf actor behind the EncryptHub persona was acknowledged by Microsoft for discovering and reporting two security flaws in Windows last month, painting a picture of a “conflicted” individual straddling a legitimate career in cybersecurity and pursuing cybercrime. In a new extensive analysis published by Outpost24 KrakenLabs, the Swedish security company unmasked the […]

Cyber News

North Korean Hackers Deploy BeaverTail Malware via 11 Malicious npm Packages

The North Korean threat actors behind the ongoing Contagious Interview campaign are spreading their tentacles on the npm ecosystem by publishing more malicious packages that deliver the BeaverTail malware, as well as a new remote access trojan (RAT) loader. “These latest samples employ hexadecimal string encoding to evade automated detection systems and manual code audits, […]

Cyber News

Malicious Python Packages on PyPI Downloaded 39,000+ Times, Steal Sensitive Data

Cybersecurity researchers have uncovered malicious libraries in the Python Package Index (PyPI) repository that are designed to steal sensitive information and test stolen credit card data. Two of the packages, bitcoinlibdbfix and bitcoinlib-dev, masquerade as fixes for recent issues detected in a legitimate Python module called bitcoinlib, according to ReversingLabs. A third package discovered 

Cyber News

Friday Squid Blogging: Two-Man Giant Squid

The Brooklyn indie art-punk group, Two-Man Giant Squid, just released a new album. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered.  

Cyber News

Cyber Forensic Expert in 2,000+ Cases Faces FBI Probe

A Minnesota cybersecurity and computer forensics expert whose testimony has featured in thousands of courtroom trials over the past 30 years is facing questions about his credentials and an inquiry from the Federal Bureau of Investigation (FBI). Legal experts say the inquiry could be grounds to reopen a number of adjudicated cases in which the […]

Cyber News

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 […]

Cyber News

Troy Hunt Gets Phished

In case you need proof that anyone, even people who do cybersecurity for a living, Troy Hunt has a long, iterative story on his webpage about how he got phished. Worth reading.  

Cyber News

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 […]

Cyber News

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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