Cyber Defense Advisors

Year: 2025

Apple Releases Patch for WebKit Zero-Day Vulnerability Exploited in Targeted Attacks

Apple on Tuesday released a security update to address a zero-day flaw that it said has been exploited in “extremely sophisticated” attacks. The vulnerability has been assigned the CVE identifier CVE-2025-24201 and is rooted in the WebKit web browser engine component. It has been described as an out-of-bounds write issue that could allow an attacker […]

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Microsoft: 6 Zero-Days in March 2025 Patch Tuesday

Microsoft today issued more than 50 security updates for its various Windows operating systems, including fixes for a whopping six zero-day vulnerabilities that are already seeing active exploitation. Two of the zero-day flaws include CVE-2025-24991 and CVE-2025-24993, both vulnerabilities in NTFS, the default file system for Windows and Windows Server. Both require the attacker to […]

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Silk Typhoon Hackers Indicted

Lots of interesting details in the story: The US Department of Justice on Wednesday announced the indictment of 12 Chinese individuals accused of more than a decade of hacker intrusions around the world, including eight staffers for the contractor i-Soon, two officials at China’s Ministry of Public Security who allegedly worked with them, and two […]

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Alleged Co-Founder of Garantex Arrested in India

Authorities in India today arrested the alleged co-founder of Garantex, a cryptocurrency exchange sanctioned by the U.S. government in 2022 for facilitating tens of billions of dollars in money laundering by transnational criminal and cybercriminal organizations. Sources close to the investigation told KrebsOnSecurity the Lithuanian national Aleksej Besciokov, 46, was apprehended while vacationing on the […]

Cyber News

The AI Fix #41: Can AIs be psychopaths, and why we should be AI optimists

In episode 41 of the AI Fix, our hosts learn that society needs to be completely reordered by December, Grok accuses Trump of being a Russian asset, Graham discovers that parents were wrong about computer games all along, and Mark wonders if a kung-fu kicking robot from Unitree is the hero that we need. Graham […]

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Blind Eagle Hacks Colombian Institutions Using NTLM Flaw, RATs and GitHub-Based Attacks

The threat actor known as Blind Eagle has been linked to a series of ongoing campaigns targeting Colombian institutions and government entities since November 2024. “The monitored campaigns targeted Colombian judicial institutions and other government or private organizations, with high infection rates,” Check Point said in a new analysis. “More than 1,600 victims were affected […]

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Ballista Botnet Exploits Unpatched TP-Link Vulnerability, Targets Over 6,000 Devices

Unpatched TP-Link Archer routers have become the target of a new botnet campaign dubbed Ballista, according to new findings from the Cato CTRL team. “The botnet exploits a remote code execution (RCE) vulnerability in TP-Link Archer routers (CVE-2023-1389) to spread itself automatically over the Internet,” security researchers Ofek Vardi and Matan Mittelman said in a […]

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Your Risk Scores Are Lying: Adversarial Exposure Validation Exposes Real Threats

In cybersecurity, confidence is a double-edged sword. Organizations often operate under a false sense of security, believing that patched vulnerabilities, up-to-date tools, polished dashboards, and glowing risk scores guarantee safety. The reality is a bit of a different story. In the real world, checking the right boxes doesn’t equal being secure. As Sun Tzu warned, […]

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Steganography Explained: How XWorm Hides Inside Images

Inside the most innocent-looking image, a breathtaking landscape, or a funny meme, something dangerous could be hiding, waiting for its moment to strike. No strange file names. No antivirus warnings. Just a harmless picture, secretly concealing a payload that can steal data, execute malware, and take over your system without a trace. This is steganography, […]

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