Cyber Defense Advisors

Year: 2025

Friday Squid Blogging: Squid Facts on Your Phone

Text “SQUID” to 1-833-SCI-TEXT for daily squid facts. The website has merch. 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

North Korean Hackers Spread Malware via Fake Crypto Firms and Job Interview Lures

North Korea-linked threat actors behind the Contagious Interview have set up front companies as a way to distribute malware during the fake hiring process. “In this new campaign, the threat actor group is using three front companies in the cryptocurrency consulting industry – BlockNovas LLC (blocknovas[.] com), Angeloper Agency (angeloper[.]com), and SoftGlide LLC (softglide[.]co) – […]

Cyber News

Cryptocurrency Thefts Get Physical

Long story of a $250 million cryptocurrency theft that, in a complicated chain events, resulted in a pretty brutal kidnapping.  

Cyber News

New Critical SAP NetWeaver Flaw Exploited to Drop Web Shell, Brute Ratel Framework

Threat actors are likely exploiting a new vulnerability in SAP NetWeaver to upload JSP web shells with the goal of facilitating unauthorized file uploads and code execution. “The exploitation is likely tied to either a previously disclosed vulnerability like CVE-2017-9844 or an unreported remote file inclusion (RFI) issue,” ReliaQuest said in a report published this […]

Cyber News

Why NHIs Are Security’s Most Dangerous Blind Spot

When we talk about identity in cybersecurity, most people think of usernames, passwords, and the occasional MFA prompt. But lurking beneath the surface is a growing threat that does not involve human credentials at all, as we witness the exponential growth of Non-Human Identities (NHIs). At the top of mind when NHIs are mentioned, most […]

Cyber News

Hackers access sensitive SIM card data at South Korea’s largest telecoms company

Mobile network operator SK Telecom, which serves approximately 34 million subscribers in South Korea, has confirmed that it suffered a cyber attack earlier this month that saw malware infiltrate its internal systems, and access data related to customers’ SIM cards. Read more in my article on the Hot for Security blog. 

Cyber News

Researchers Identify Rack::Static Vulnerability Enabling Data Breaches in Ruby Servers

Cybersecurity researchers have disclosed three security flaws in the Rack Ruby web server interface that, if successfully exploited, could enable attackers to gain unauthorized access to files, inject malicious data, and tamper with logs under certain conditions. The vulnerabilities, flagged by cybersecurity vendor OPSWAT, are listed below – CVE-2025-27610 (CVSS score: 7.5) – A path […]

Cyber News

DslogdRAT Malware Deployed via Ivanti ICS Zero-Day CVE-2025-0282 in Japan Attacks

Cybersecurity researchers are warning about a new malware called DslogdRAT that’s installed following the exploitation of a now-patched security flaw in Ivanti Connect Secure (ICS). The malware, along with a web shell, were “installed by exploiting a zero-day vulnerability at that time, CVE-2025-0282, during attacks against organizations in Japan around December 2024,” JPCERT/CC researcher Yuma […]

Cyber News

New Linux Rootkit

Interesting: The company has released a working rootkit called “Curing” that uses io_uring, a feature built into the Linux kernel, to stealthily perform malicious activities without being caught by many of the detection solutions currently on the market. At the heart of the issue is the heavy reliance on monitoring system calls, which has become […]

Cyber News