Cyber Defense Advisors

Year: 2025

Malicious Go Modules Deliver Disk-Wiping Linux Malware in Advanced Supply Chain Attack

Cybersecurity researchers have discovered three malicious Go modules that include obfuscated code to fetch next-stage payloads that can irrevocably overwrite a Linux system’s primary disk and render it unbootable. The names of the packages are listed below – github[.]com/truthfulpharm/prototransform github[.]com/blankloggia/go-mcp github[.]com/steelpoor/tlsproxy “Despite appearing legitimate, 

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Iranian Hackers Maintain 2-Year Access to Middle East CNI via VPN Flaws and Malware

An Iranian state-sponsored threat group has been attributed to a long-term cyber intrusion aimed at a critical national infrastructure (CNI) in the Middle East that lasted nearly two years. The activity, which lasted from at least May 2023 to February 2025, entailed “extensive espionage operations and suspected network prepositioning – a tactic often used to […]

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U.S. Charges Yemeni Hacker Behind Black Kingdom Ransomware Targeting 1,500 Systems

The U.S. Department of Justice (DoJ) on Thursday announced charges against a 36-year-old Yemeni national for allegedly deploying the Black Kingdom ransomware against global targets, including businesses, schools, and hospitals in the United States. Rami Khaled Ahmed of Sana’a, Yemen, has been charged with one count of conspiracy, one count of intentional damage to a […]

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Friday Squid Blogging: Pyjama Squid

The small pyjama squid (Sepioloidea lineolata) produces toxic slime, “a rare example of a poisonous predatory mollusc.” As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered.  

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Privacy for Agentic AI

Sooner or later, it’s going to happen. AI systems will start acting as agents, doing things on our behalf with some degree of autonomy. I think it’s worth thinking about the security of that now, while its still a nascent idea. In 2019, I joined Inrupt, a company that is commercializing Tim Berners-Lee’s open protocol […]

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TikTok Slammed With €530 Million GDPR Fine for Sending E.U. Data to China

Ireland’s Data Protection Commission (DPC) on Friday fined popular video-sharing platform TikTok €530 million ($601 million) for infringing data protection regulations in the region by transferring European users’ data to China. “TikTok infringed the GDPR regarding its transfers of EEA [European Economic Area] User Data to China and its transparency requirements,” the DPC said in […]

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NCSC Guidance on “Advanced Cryptography”

The UK’s National Cyber Security Centre just released its white paper on “Advanced Cryptography,” which it defines as “cryptographic techniques for processing encrypted data, providing enhanced functionality over and above that provided by traditional cryptography.” It includes things like homomorphic encryption, attribute-based encryption, zero-knowledge proofs, and secure multiparty computation. It’s full of good advice. I […]

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How to Automate CVE and Vulnerability Advisory Response with Tines

Run by the team at workflow orchestration and AI platform Tines, the Tines library features pre-built workflows shared by security practitioners from across the community – all free to import and deploy through the platform’s Community Edition. A recent standout is a workflow that automates monitoring for security advisories from CISA and other vendors, enriches […]

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MintsLoader Drops GhostWeaver via Phishing, ClickFix — Uses DGA, TLS for Stealth Attacks

The malware loader known as MintsLoader has been used to deliver a PowerShell-based remote access trojan called GhostWeaver. “MintsLoader operates through a multi-stage infection chain involving obfuscated JavaScript and PowerShell scripts,” Recorded Future’s Insikt Group said in a report shared with The Hacker News. “The malware employs sandbox and virtual machine evasion techniques, a domain 

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