“Free World Cup stream” sites are serving scams, not football

With the World Cup on, you'll find no shortage of websites promising every match, live, in HD, for free. They look convincing, usually with a video player, a "Live Stream Available" indicator, a row of server buttons, maybe a match schedule, and a "Watch Live" button. There's no signup, no paywal...

Atomic Arch Campaign Hijacks 20+ Linux AUR Packages to Deliver Malware

Over 20 Linux packages were compromised in the Atomic Arch campaign, which abuses AUR ownership transfers to drop rootkit-like malware...

AI brands as bait: How threat actors are using the AI hype in social engineering

In this article 1. ChatGPT-themed lure leads to phishing kit collecting credit card data 2. Claude-themed phishing campaign collected credentials and access tokens 3. "Awesome AI Windows Plugin” malvertising deploys Vidar stealer 4. Fake DeepSeek V4 installers on GitHub delivered Vidar Stealer 5...

Fake Sites Mimicking Open-Source Tools Rank High on Google to Deliver Malware via TDS

Cybersecurity researchers have flagged a large-scale operation that impersonates open-source and freeware projects to funnel unsuspecting users through a Traffic Distribution System TDS and deliver malware families like Remus Stealer, AnimateClipper, and the SessionGate framework. "The sites are...

Silver Fox uses the new ABCDoor backdoor to target organizations in Russia and India

In December 2025, we detected a wave of malicious emails designed to look like official correspondence from the Indian tax service. A few weeks later, in January 2026, a similar campaign began targeting Russian organizations. We have attributed this activity to the Silver Fox threat group. Both...

n8n Webhooks Abused Since October 2025 to Deliver Malware via Phishing Emails

Threat actors have been observed weaponizing n8n, a popular artificial intelligence AI workflow automation platform, to facilitate sophisticated phishing campaigns and deliver malicious payloads or fingerprint devices by sending automated emails. "By leveraging trusted infrastructure, these...

The n8n n8mare: How threat actors are misusing AI workflow automation

Cisco Talos research has uncovered agentic AI workflow automation platform abuse in emails. Recently, we identified an increase in the number of emails that abuse n8n, one of these platforms, from as early as October 2025 through March 2026. In this blog, Talos provides concrete examples of how...

Contagious Interview: Malware delivered through fake developer job interviews

Microsoft Defender Experts has observed the Contagious Interview campaign, a sophisticated social engineering operation active since at least December 2022. Microsoft continues to detect activity associated with this campaign in recent customer environments, targeting software developers at...

VulnCheck KEV: CVE-2019-5434

An attacker could send a specifically crafted payload to the XML-RPC invocation script and trigger the unserialize call on the "what" parameter in the "openads.spc" RPC method. Such vulnerability could be used to perform various types of attacks, e.g. exploit serialize-related PHP vulnerabilities...

Attackers abuse OAuth’s built-in redirects to launch phishing and malware attacks

Attackers are abusing normal OAuth error redirects to send users from a legitimate Microsoft or Google login URL to phishing or malware pages, without ever completing a successful sign‑in or stealing tokens from the OAuth flow itself. That calls for a bit more explanation. OAuth Open Authorizatio...

OAuth redirection abuse enables phishing and malware delivery

Microsoft observed phishing-led exploitation of OAuth’s by-design redirection mechanisms. The activity targets government and public-sector organizations and uses silent OAuth authentication flows and intentionally invalid scopes to redirect victims to attacker-controlled infrastructure without...

UAC-0050 Targets European Financial Institution With Spoofed Domain and RMS Malware

A Russia-aligned threat actor has been observed targeting a European financial institution as part of a social engineering attack to likely facilitate intelligence gathering or financial theft, signaling a possible expansion of the threat actor's targeting beyond Ukraine and into entities...

CVE-2026-25242 Gogs allows unauthenticated file uploads

Gogs is an open source self-hosted Git service. Versions 0.13.4 and below expose unauthenticated file upload endpoints by default. When the global RequireSigninView setting is disabled default, any remote user can upload arbitrary files to the server via /releases/attachments and...

Criminals are using AI website builders to clone major brands

AI tool Vercel was abused by cybercriminals to create a Malwarebytes lookalike website. Cybercriminals no longer need design or coding skills to create a convincing fake brand site. All they need is a domain name and an AI website builder. In minutes, they can clone a site's look and feel, plug i...

China-Linked DKnife AitM Framework Targets Routers for Traffic Hijacking, Malware Delivery

Cybersecurity researchers have taken the wraps off a gateway-monitoring and adversary-in-the-middle AitM framework dubbed DKnife that's operated by China-nexus threat actors since at least 2019. The framework comprises seven Linux-based implants that are designed to perform deep packet inspection...

ShadyPanda: The Silent Browser Takeover Threat and How Qualys TruRisk Eliminate Helps You Stop It

Executive Summary ShadyPanda has exploited trusted browser extensions to compromise millions of users, illustrating how legitimate software can unexpectedly become harmful. Qualys TruRisk Eliminate empowers organizations to identify risky behaviors, prioritize real threats, and eliminate maliciou...

Matrix Push C2 abuses browser notifications to deliver phishing and malware

Cybercriminals are using browser push notifications to deliver malware and phishing attacks. Researchers at BlackFog described how a new command-and-control platform, called Matrix Push C2, uses browser push notifications to reach potential victims. When we warned back in 2019 that browser push...

Amazon Uncovers Attacks Exploited Cisco ISE and Citrix NetScaler as Zero-Day Flaws

Amazon's threat intelligence team on Wednesday disclosed that it observed an advanced threat actor exploiting two then-zero-day security flaws in Cisco Identity Service Engine ISE and Citrix NetScaler ADC products as part of attacks designed to deliver custom malware. "This discovery highlights t...

CVE-2025-62722 LinkAce: Stored XSS Vulnerability in Link Title Field Through Social Media Sharing Feature

LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, the social media sharing functionality contains a Stored Cross-Site Scripting XSS vulnerability that allows any authenticated user to inject arbitrary JavaScript by creating a link with malicious HTML in the...

North Korean Hackers Use EtherHiding to Hide Malware Inside Blockchain Smart Contracts

A threat actor with ties to the Democratic People's Republic of Korea aka North Korea has been observed leveraging the EtherHiding technique to distribute malware and enable cryptocurrency theft, marking the first time a state-sponsored hacking group has embraced the method. The activity has been...