TECHZONE™

ESET APT Activity Report Q4 2025–Q1 2026 https://www.welivesecurity.com/en/eset-research/eset-apt-activity-report-q4-2025-q1-2026/ An overview of the activities of selected APT groups investigated and analyzed by ESET Research in Q4 2025 and Q1 2026

What 2,000 Exposed Vibe-Coded Apps Reveal About the Limits of Most Security Stacks https://thehackernews.com/2026/05/what-2000-exposed-vibe-coded-apps.html Shadow AI used to mean employees pasting things they shouldn't into ChatGPT. It now means something bigger: employees building full applications with AI, wiring them into production systems, and publishing them on the open internet. Without Security or IT in the loop. The artifact moved from a prompt to a product. The risk surface moved with it. In The Shadow Builders report (get it here), a

Malicious Sicoob NuGet Steals Banking Credentials as npm Packages Target Cloud Secrets https://thehackernews.com/2026/05/malicious-sicoob-nuget-steals-banking.html Cybersecurity researchers have discovered a malicious NuGet package that masquerades as a C# software development kit for Sicoob, one of Brazil's largest cooperative financial systems, to siphon client IDs and PFX certificates. According to Socket, versions 2.0.0 through 2.0.4 of "Sicoob.Sdk" contain functionality to exfiltrate sensitive information, including PFX certificates that are used to

Kimsuky Deploys HTTPSpy, Expands Arsenal with HelloDoor and VS Code Tunnels https://thehackernews.com/2026/05/kimsuky-deploys-httpspy-expands-arsenal.html The North Korean state-sponsored threat actor known as Kimsuky (aka Velvet Chollima) has been attributed to a fresh set of cyber attacks targeting South Korean military and corporate entities through March and April 2026. "Kimsuky employed a range of tailored social engineering tactics, such as spoofing security software installation pages and crafting a fake Webex meeting page that leveraged

JINX-0164 Targets Cryptocurrency Firms with Fake Recruiter Lures and macOS Malware https://thehackernews.com/2026/05/jinx-0164-targets-cryptocurrency-firms.html A new campaign orchestrated by a previously undocumented threat actor has targeted cryptocurrency organizations with an aim to facilitate digital asset theft using recruitment-themed social engineering and bespoke macOS malware. "These campaigns leveraged sophisticated social engineering techniques, custom macOS malware, and deep targeting of CI/CD infrastructure," Wiz researchers Shira Ayal,

What to consider before asking an AI chatbot for health advice https://www.welivesecurity.com/en/privacy/what-consider-asking-ai-chatbot-health-advice/ Using chatbots for medical advice could elicit hallucinations and even expose you to security and privacy risks. Here’s what’s at stake and how to stay safe.

Grandoreiro Malware and BTMOB RAT Campaigns Target Windows and Android Users https://thehackernews.com/2026/05/grandoreiro-malware-and-btmob-rat.html Latin America and Europe become the target of two banking trojan campaigns that are designed to infect Windows and Android devices with Grandoreiro and BTMOB malware, respectively. That's according to new findings from WatchGuard and ESET, which have observed the two malware families being used to single out companies in Spain, Portugal, and Mexico, as well as mobile users in Brazil. The

Malicious npm Package Stole Files From Claude AI User Directory via GitHub https://thehackernews.com/2026/05/malicious-npm-package-stole-files-from.html Cybersecurity researchers have discovered a new malicious package on the npm registry that comes with information stealing capabilities. According to OX Security, the package, named "mouse5212-super-formatter," is designed to upload files from "/mnt/user-data," a dedicated directory used by Anthropic's Claude artificial intelligence (AI) tool to handle uploads and outputs in the background. The

5 Steps to Managing Shadow AI Tools Without Slowing Down Employees https://thehackernews.com/2026/05/5-steps-to-managing-shadow-ai-tools.html When an employee installs an AI writing assistant, connects a coding copilot to their IDE, or starts summarizing meetings with a new browser tool, they are doing exactly what a productive employee should do: finding faster ways to work. Across most organizations today, employees are running three to five AI tools on any given day. Most were never reviewed by IT. A significant portion connects

GlassWorm Malware Takedown Disrupts Developer Supply Chain Attack Infrastructure https://thehackernews.com/2026/05/glassworm-malware-takedown-disrupts.html CrowdStrike, in partnership with Google and the Shadowserver Foundation, has announced the simultaneous disruption of all command-and-control (C2) channels associated with GlassWorm, a persistent software chain campaign targeting software developers through malicious packages and extensions. "Since at least early 2025, GlassWorm operators have systematically targeted software developers, a

3 SOC Steps that Shut Down Incident Risks Early https://thehackernews.com/2026/05/3-soc-steps-that-shut-down-incident.html Most organizations still picture cyber defense as a fortress problem: build stronger walls, add more guards, buy another detection engine. But modern incidents rarely crash through the front gate. They drift in disguised as routine activity, hide inside legitimate processes, and quietly accumulate risk long before anyone labels them an "incident." That changes the role of the SOC entirely. The

Gitea Vulnerability Exposes Private Container Images without Authentication https://thehackernews.com/2026/05/gitea-vulnerability-exposes-private.html Cybersecurity researchers have disclosed a security flaw in Gitea, an open-source, self-hosted platform for version control, that allows unauthenticated remote attackers to pull private container images from Gitea deployments without requiring an account, password, or other credentials. The vulnerability, tracked as CVE-2026-27771 (CVSS score: N/A), affects all versions of Gitea prior to 1.26.2

AI Chatbot Recommendations Redirect Users to Cryptojacking Malware Sites https://thehackernews.com/2026/05/ai-chatbot-recommendations-redirect.html Microsoft has warned of an active cryptojacking campaign that makes use of artificial intelligence (AI) chatbot interactions as a mechanism for surfacing malicious download sites. "This emerging delivery technique extends social engineering beyond conventional search results and increases the visibility of malicious software recommendations," Microsoft Defender Experts and the Microsoft

BTMOB: A stealthy RAT burrowing deep into Android devices https://www.welivesecurity.com/en/malware/btmob-stealthy-rat-burrowing-deep-android-devices/ The malware pairs remote access capabilities with ready-made campaign tools, lowering the barrier for full device compromise

MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries https://thehackernews.com/2026/05/muddywater-uses-dll-side-loading-in.html The Iranian hacking group known as MuddyWater has been linked to a new campaign affecting at least nine organizations across nine countries on four continents in the first quarter of 2026. The activity targeted industrial and electronics manufacturing, education and public-sector bodies, financial services, and professional services, per the Threat Hunter Team from Symantec and Carbon Black.

New AI DDoS Attacks Are Smarter. Learn How to Fight Back in This Webinar https://thehackernews.com/2026/05/new-ai-ddos-attacks-are-smarter-learn.html Every single day, hackers are finding new ways to crash websites and steal data. But right now, something has changed. Hackers are no longer working alone. They are now using powerful Artificial Intelligence (AI) tools to make their attacks faster, stronger, and much harder to stop. According to recent updates from The Hacker News, bad actors are using AI to find weak spots in systems and

Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions https://thehackernews.com/2026/05/microsoft-patches-sharepoint-rce-flaw.html Microsoft has rolled out updates to fix a remote code execution vulnerability impacting SharePoint that could be exploited by bad actors in attacks without requiring any specialized conditions to be met. The vulnerability, tracked as CVE-2026-45659, carries a CVSS score of 8.8. It has been assigned an important severity. "Deserialization of untrusted data in Microsoft Office SharePoint allows

MFA Prompt Bombing: Why Your Second Factor Isn't Saving You https://thehackernews.com/2026/05/mfa-prompt-bombing-why-your-second.html Multi-factor authentication (MFA) was supposed to close a critical gap in identity security. It meant that, even if an attacker possessed the account credentials, they couldn't log in without the second factor. While that logic was sound, attackers have now figured out that they don't need to steal the second factor: they just need the user to hand it over. If your workforce authenticates with

CERT-In Mandates 12-Hour Patching for Internet-Facing Flaws Amid AI-Assisted Attacks https://thehackernews.com/2026/05/cert-in-mandates-12-hour-patching-for.html The Indian Computer Emergency Response Team (CERT-In) has issued new guidelines requiring organizations to patch critical security vulnerabilities in internet-exposed systems within 12 hours of being flagged where "feasible" to safeguard against potential threats stemming from threat actors' abuse of artificial intelligence (AI) tools and large language models (LLMs) to automate vulnerability

Iranian Hackers Deploy MiniFast and MiniJunk V2 via Phishing and SEO Poisoning https://thehackernews.com/2026/05/iranian-hackers-deploy-minifast-and.html The Iranian state-sponsored threat actor known as Nimbus Manticore (aka Screening Serpens and UNC1549) has been attributed to a fresh campaign using lures impersonating organizations in the aviation and software sectors across the U.S., Europe, and the Middle East following the joint U.S.-Israeli military campaign against the country in late February 2026. The activity, besides embracing