Cyber Defense Advisors

Year: 2025

Apple Backports Critical Fixes for 3 Recent 0-Days Impacting Older iOS and macOS Devices

Apple on Monday backported fixes for three vulnerabilities that have come under active exploitation in the wild to older models and previous versions of the operating systems. The vulnerabilities in question are listed below – CVE-2025-24085 (CVSS score: 7.3) – A use-after-free bug in the Core Media component that could permit a malicious application already […]

Cyber News

Nearly 24,000 IPs Target PAN-OS GlobalProtect in Coordinated Login Scan Campaign

Cybersecurity researchers are warning of a spike in suspicious login scanning activity targeting Palo Alto Networks PAN-OS GlobalProtect gateways, with nearly 24,000 unique IP addresses attempting to access these portals. “This pattern suggests a coordinated effort to probe network defenses and identify exposed or vulnerable systems, potentially as a precursor to targeted exploitation,” threat 

Cyber News

China-Linked Earth Alux Uses VARGEIT and COBEACON in Multi-Stage Cyber Intrusions

Cybersecurity researchers have shed light on a new China-linked threat actor called Earth Alux that has targeted various key sectors such as government, technology, logistics, manufacturing, telecommunications, IT services, and retail in the Asia-Pacific (APAC) and Latin American (LATAM) regions. “The first sighting of its activity was in the second quarter of 2023; back then, […]

Cyber News

Case Study: Are CSRF Tokens Sufficient in Preventing CSRF Attacks?

Explore how relying on CSRF tokens as a security measure against CSRF attacks is a recommended best practice, but in some cases, they are simply not enough. Introduction As per the Open Web Application Security Project (OWASP), CSRF vulnerabilities are recognized as a significant threat and are historically part of their top risks. The implications […]

Cyber News

Cell Phone OPSEC for Border Crossings

I have heard stories of more aggressive interrogation of electronic devices at US border crossings. I know a lot about securing computers, but very little about securing phones. Are there easy ways to delete data—files, photos, etc.—on phones so it can’t be recovered? Does resetting a phone to factory defaults erase data, or is it […]

Cyber News

Hackers exploit little-known WordPress MU-plugins feature to hide malware

A new security issue is putting WordPress-powered websites at risk. Hackers are abusing the “Must-Use” plugins (MU-plugins) feature to hide malicious code and maintain long-term access on hacked websites. Read more in my article on the Hot for Security blog. 

Cyber News

Apple Fined €150 Million by French Regulator Over Discriminatory ATT Consent Practices

Apple has been hit with a fine of €150 million ($162 million) by France’s competition watchdog over the implementation of its App Tracking Transparency (ATT) privacy framework. The Autorité de la concurrence said it’s imposing a financial penalty against Apple for abusing its dominant position as a distributor of mobile applications for iOS and iPadOS […]

Cyber News

Russian Hackers Exploit CVE-2025-26633 via MSC EvilTwin to Deploy SilentPrism and DarkWisp

The threat actors behind the zero-day exploitation of a recently-patched security vulnerability in Microsoft Windows have been found to deliver two new backdoors called SilentPrism and DarkWisp. The activity has been attributed to a suspected Russian hacking group called Water Gamayun, which is also known as EncryptHub and LARVA-208. “The threat actor deploys payloads primarily […]

Cyber News

Hackers Exploit WordPress mu-Plugins to Inject Spam and Hijack Site Images

Threat actors are using the “mu-plugins” directory in WordPress sites to conceal malicious code with the goal of maintaining persistent remote access and redirecting site visitors to bogus sites. mu-plugins, short for must-use plugins, refers to plugins in a special directory (“wp-content/mu-plugins”) that are automatically executed by WordPress without the need to enable them explicitly […]

Cyber News