Cyber Defense Advisors

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. In earlier 2025, security researchers at Sucuri noticed cybercriminals using the tactic, and they say that it has been increasingly used the technique in the months […]

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

⚡ Weekly Recap: Chrome 0-Day, IngressNightmare, Solar Bugs, DNS Tactics, and More

Every week, someone somewhere slips up—and threat actors slip in. A misconfigured setting, an overlooked vulnerability, or a too-convenient cloud tool becomes the perfect entry point. But what happens when the hunters become the hunted? Or when old malware resurfaces with new tricks? Step behind the curtain with us this week as we explore breaches […]

Cyber News

The Signal Chat Leak and the NSA

US National Security Advisor Mike Waltz, who started the now-infamous group chat coordinating a US attack against the Yemen-based Houthis on March 15, is seemingly now suggesting that the secure messaging service Signal has security vulnerabilities. “I didn’t see this loser in the group,” Waltz told Fox News about Atlantic editor in chief Jeffrey Goldberg, whom Waltz invited to the chat. […]

Cyber News

5 Impactful AWS Vulnerabilities You’re Responsible For

If you’re using AWS, it’s easy to assume your cloud security is handled – but that’s a dangerous misconception. AWS secures its own infrastructure, but security within a cloud environment remains the customer’s responsibility. Think of AWS security like protecting a building: AWS provides strong walls and a solid roof, but it’s up to the […]

Cyber News

Russia-Linked Gamaredon Uses Troop-Related Lures to Deploy Remcos RAT in Ukraine

Entities in Ukraine have been targeted as part of a phishing campaign designed to distribute a remote access trojan called Remcos RAT. “The file names use Russian words related to the movement of troops in Ukraine as a lure,” Cisco Talos researcher Guilherme Venere said in a report published last week. “The PowerShell downloader contacts […]

Cyber News

How Each Pillar of the 1st Amendment is Under Attack

“Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.” -U.S. Constitution, First Amendment. Image: Shutterstock, zimmytws. In an address […]

Cyber News