Security Affairs

Sweden says a pro-Russian group attacked a heating plant in 2025. The failed cyberattack highlights growing threats to Europe’s energy infrastructure. Sweden has blamed a pro-Russian group linked to Russian intelligence for a failed cyberattack on a heating plant in 2025. Officials say the incident is part of a broader wave of attacks targeting critical […]

An actively exploited critical nginx-ui flaw (CVE-2026-33032) lets attackers bypass authentication and take full control of Nginx servers. A critical vulnerability in nginx-ui, tracked as CVE-2026-33032 (CVSS score of 9.8), is being actively exploited, allowing attackers to bypass authentication and fully take over Nginx servers. The issue stems from improper protection of the /mcp_message endpoint, […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Microsoft SharePoint Server, and Microsoft Office Excel flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Apple, Laravel Livewire and Craft CMS flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: The first vulnerability […]

Mirax, a new Android RAT, spread via Meta ads, infected 220,000 users and turns devices into SOCKS5 proxies, giving attackers full remote control. Mirax is a new Android remote access trojan spreading through ads on Meta platforms, targeting mainly Spanish-speaking users and reaching over 220,000 accounts. The malicious code lets attackers fully control infected devices […]

Two high-severity flaws in PHP Composer could let attackers run arbitrary commands via malicious repository configs and crafted inputs affecting Perforce VCS. Two high-severity vulnerabilities in PHP Composer could allow attackers to execute arbitrary commands. PHP Composer is a dependency manager for PHP that helps developers install and manage libraries their projects need. By defining […]

Microsoft Patch Tuesday security updates for April 2026 fixed 165 vulnerabilities, including an actively exploited SharePoint zero-day. Microsoft Patch Tuesday security updates addressed 165 vulnerabilities, making it one of the largest updates by CVE count. One of the most interesting flaws fixed by the IT giant is a critical SharePoint zero-day, tracked as CVE-2026-32201, already […]

A breach at Basic-Fit exposed data of 1M members, including names, birth dates and bank details after unauthorized access. Basic-Fit, Europe’s largest gym chain, has disclosed a data breach affecting around 1 million members. Hackers gained unauthorized access to the company systems and stole personal. The gym chain said it recently detected the intrusion and […]

US, UK and Canada ran Operation Atlantic, uncovering $45M in crypto theft and freezing $12M to return to victims. An international law enforcement operation from the US, UK and Canada, codenamed Operation Atlantic, has targeted large-scale cryptocurrency theft schemes. Authorities identified more than $45 million in stolen digital assets and successfully froze around $12 million. […]

Leak of 8.1GB data tied to Rockstar Games includes anti-cheat code, game data, analytics and more, reportedly exposed by ShinyHunters. An 8.1GB data leak reportedly linked to Rockstar Games has surfaced, with files shared by ShinyHunters after being obtained via Anodot. The dataset includes anti-cheat source code, player analytics, game assets, Zendesk support tickets and […]

A critical RCE flaw, tracked as CVE-2025-0520, in ShowDoc is being actively exploited, putting unpatched servers at serious risk. A critical remote code execution flaw, tracked as CVE-2025-0520 (CVSS score of 9.4), affecting ShowDoc is under active exploitation in the wild. ShowDoc is an online tool that helps IT teams share documents and improve collaboration […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Adobe, Fortinet, Microsoft Exchange Server, and Microsoft Windows flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Apple, Laravel Livewire and Craft CMS flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: Last week, […]

Fake Claude website impersonates Anthropic and delivers PlugX RAT via ZIP download using DLL sideloading. A fake website impersonating Anthropic’s Claude service was found distributing the PlugX remote access trojan, according to Malwarebytes. The rogue site abuses the chatbot’s popularity to trick users into downloading a ZIP archive presented as a “pro version” installer. The […]

Hackers accessed some Booking.com user data, including names, emails, phone numbers, and booking details. The issue is now contained. Booking.com warned that hackers may have accessed customer data linked to travel reservations. Exposed details could include names, email addresses, phone numbers, and information shared with accommodations. Booking.com is one of the world’s leading online travel agencies […]

An FBI case in Texas shows Signal messages can still be recovered from iPhones even after app uninstall, via system artifacts, challenging privacy assumptions. The recent revelations about FBI forensic access to Signal messages on an iPhone have reignited a long-standing misunderstanding about mobile privacy: the belief that disappearing messages and encrypted apps guarantee that […]

Citizen Lab reported that law enforcement used the surveillance tool Webloc to track up to 500M devices via ad data globally. A report by Citizen Lab revealed that law enforcement agencies in the U.S., Hungary, and El Salvador used a surveillance tool called Webloc to track devices via advertising data, potentially affecting up to 500 […]

Iran-linked group Handala claims to have breached three major UAE organizations, Dubai Courts, Dubai Land Department, and Dubai Roads & Transport Authority The group Handala claimed a major cyberattack against the UAE, targeting Dubai Courts Department, Dubai Land Department, and Dubai Roads and Transport Authority. They alleged destroying 6 petabytes of data and stealing 149 TB […]

Threat actors compromised the CPUID website and spread STX RAT through fake CPU-Z and HWMonitor downloads. Attackers breached the website CPUID and replaced download links for CPU-Z and HWMonitor with malicious files for several hours. Users who downloaded them got infected with the STX RAT, giving attackers remote access to their systems. The short attack […]

Adobe addressed a critical Acrobat Reader vulnerability, tracked as CVE-2026-34621, which is actively exploited to run malicious code. Adobe released emergency updates to address a critical vulnerability, tracked as CVE-2026-34621 (CVSS score of 8.6), in Adobe Acrobat Reader, which is being actively exploited. The flaw could allow attackers to execute malicious code on affected systems, […]

Hackers breached Venice ’s San Marco flood system, claiming control of pumps and the ability to disable defenses and flood coastal areas. The technologies that govern the physical world are the quiet infrastructure of modern life. From energy grids to water systems, from factories to flood defenses, operational technology (OT) has long had one essential […]

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Thirty-Six Malicious npm Strapi Packages Deploy Redis RCE, Database Theft, and Persistent C2   Malicious LNK Files Distributing a Python-Based Backdoor and Changes in Distribution Techniques (Kimsuky Group)   Hackers Are Attempting to Turn ComfyUI Servers Into a […]