Cyber Defense Advisors

Month: June 2025

Over 70 Organizations Across Multiple Sectors Targeted by China-Linked Cyber Espionage Group

The reconnaissance activity targeting American cybersecurity company SentinelOne was part of a broader set of partially-related intrusions into several targets between July 2024 and March 2025. “The victimology includes a South Asian government entity, a European media organization, and more than 70 organizations across a wide range of sectors,” SentinelOne security researchers Aleksandar 

Cyber News

Two Distinct Botnets Exploit Wazuh Server Vulnerability to Launch Mirai-Based Attacks

A now-patched critical security flaw in the Wazur Server is being exploited by threat actors to drop two different Mirai botnet variants and use them to conduct distributed denial-of-service (DDoS) attacks. Akamai, which first discovered the exploitation efforts in late March 2025, said the malicious campaign targets CVE-2025-24016 (CVSS score: 9.9), an unsafe deserialization vulnerability […]

Cyber News

⚡ Weekly Recap: Chrome 0-Day, Data Wipers, Misused Tools and Zero-Click iPhone Attacks

Behind every security alert is a bigger story. Sometimes it’s a system being tested. Sometimes it’s trust being lost in quiet ways—through delays, odd behavior, or subtle gaps in control. This week, we’re looking beyond the surface to spot what really matters. Whether it’s poor design, hidden access, or silent misuse, knowing where to look […]

Cyber News

Think Your IdP or CASB Covers Shadow IT? These 5 Risks Prove Otherwise

You don’t need a rogue employee to suffer a breach. All it takes is a free trial that someone forgot to cancel. An AI-powered note-taker quietly syncing with your Google Drive. A personal Gmail account tied to a business-critical tool. That’s shadow IT. And today, it’s not just about unsanctioned apps, but also dormant accounts, […]

Cyber News

New Way to Covertly Track Android Users

Researchers have discovered a new way to covertly track Android users. Both Meta and Yandex were using it, but have suddenly stopped now that they have been caught. The details are interesting, and worth reading in detail: Tracking code that Meta and Russia-based Yandex embed into millions of websites is de-anonymizing visitors by abusing legitimate […]

Cyber News

OpenAI Bans ChatGPT Accounts Used by Russian, Iranian, and Chinese Hacker Groups

OpenAI has revealed that it banned a set of ChatGPT accounts that were likely operated by Russian-speaking threat actors and two Chinese nation-state hacking groups to assist with malware development, social media automation, and research about U.S. satellite communications technologies, among other things. “The [Russian-speaking] actor used our models to assist with developing and refining 

Cyber News

New Supply Chain Malware Operation Hits npm and PyPI Ecosystems, Targeting Millions Globally

Cybersecurity researchers have flagged a supply chain attack targeting over a dozen packages associated with GlueStack to deliver malware. The malware, introduced via a change to “lib/commonjs/index.js,” allows an attacker to run shell commands, take screenshots, and upload files to infected machines, Aikido Security told The Hacker News, stating these packages collectively account for nearly […]

Cyber News

Malicious Browser Extensions Infect Over 700 Users Across Latin America Since Early 2025

Cybersecurity researchers have shed light on a new campaign targeting Brazilian users since the start of 2025 to infect users with a malicious extension for Chromium-based web browsers and siphon user authentication data. “Some of the phishing emails were sent from the servers of compromised companies, increasing the chances of a successful attack,” Positive Technologies […]

Cyber News

Friday Squid Blogging: Squid Run in Southern New England

Southern New England is having the best squid run in years. 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