Security Affairs

Brazil arrests IT worker João Roque for aiding $100M PIX cyber heist, one of Brazil’s biggest banking system breaches. Brazilian police arrested João Roque (48), an IT employee at C&M, for allegedly aiding a cyberattack that stole over 540 million reais (~$100 million) via the PIX banking system. The company C&M links smaller banks to […]

Since March 2025, fake contract emails have been spreading Batavia spyware in targeted attacks on Russian organizations. Since March 2025, a targeted phishing campaign against Russian organizations has used fake contract-themed emails to spread the Batavia spyware, a new malware designed to steal internal documents. The attack, ongoing since July 2024, begins with links to […]

Taiwan warns Chinese apps like TikTok and WeChat pose security risks due to excessive data collection and data transfers to China. Taiwan National Security Bureau (NSB) warns that Chinese apps like TikTok, WeChat, Weibo, and Baidu Cloud pose security risks due to excessive data collection and data transfer to China, following an official inspection with […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Chromium V8 vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Chromium V8 vulnerability, tracked as CVE-2025-6554, to its Known Exploited Vulnerabilities (KEV) catalog. Last week, Google released security patches to address the Chrome vulnerability CVE-2025-6554 for which an exploit is […]

Hunters International ransomware gang announced its shutdown, citing unspecified “recent developments” and acknowledging its impact. The ransomware group Hunters International announced on its dark web site that it is shutting down, citing “recent developments” without specifying details. The group stated the decision was made after careful consideration and acknowledged the impact on affected organizations. “We, […]

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape 10 Things I Hate About Attribution: RomCom vs. TransferLoader  macOS NimDoor | DPRK Threat Actors Target Web3 and Crypto Platforms with Nim-Based Malware  Warning Against Distribution of Malware Disguised as Research Papers (Kimsuky Group)  Dissecting Kimsuky’s […]

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. North Korea-linked threat actors spread macOS NimDoor malware via fake Zoom updates Critical Sudo bugs expose […]

North Korea-linked hackers use fake Zoom updates to spread macOS NimDoor malware, targeting crypto firms with stealthy backdoors. North Korea-linked threat actors are targeting Web3 and crypto firms with NimDoor, a rare macOS backdoor disguised as a fake Zoom update. Victims are tricked into installing the malware through phishing links sent via Calendly or Telegram. […]

Critical Sudo flaws let local users gain root access on Linux systems, the vulnerabilities affect major Linux distributions. Cybersecurity researchers disclosed two vulnerabilities in the Sudo command-line utility for Linux and Unix-like operating systems. Local attackers can exploit the vulnerabilities to escalate privileges to root on affected systems. Sudo (short for “superuser do”) is a […]

Google must pay $314M after a California court ruled it misused idle Android users’ data. The case ends a class-action suit filed in August 2019. A San Jose jury ruled that Google misused Android users’ cell phone data and must pay over $314.6 million in damages to affected users in California. Google is liable for […]

A flaw in Catwatchful spyware exposed logins of 62,000 users, turning the spy tool into a data leak, security researcher Eric Daigle revealed. A flaw in the Catwatchful Android spyware exposed its full user database, leaking email addresses and plaintext passwords of both customers and its admin, TechCrunch first reported. Security researcher Eric Daigle first discovered […]

China-linked group Houken hit French govt, telecom, media, finance and transport sectors using Ivanti CSA zero-days, says France’s ANSSI. France’s cyber agency ANSSI revealed that a Chinese hacking group used Ivanti CSA zero-days to target government, telecom, media, finance, and transport sectors. The campaign, active since September 2024, is linked to the Houken intrusion set, […]

Resecurity found a breach in Brazil’s CIEE One platform, exposing PII and documents, later sold by data broker “888” on the dark web. Resecurity identified a data breach of one of the major platforms in Brazil connecting businesses and trainees called CIEE One – leading to the compromise of sensitive PII, including ID records, contact […]

Europol shuts down Archetyp Market, longest-running dark web drug site, the police arrested the admin in Spain, top vendors hit in Sweden. An international law enforcement operation led by German authorities has shut down Archetyp Market, the longest-running dark web drug marketplace, in a coordinated operation across six countries with support from Europol and Eurojust. […]

A data breach at Kelly Benefits has impacted 550,000 people, with the number of affected individuals growing as the investigation continues. Benefits and payroll solutions firm Kelly Benefits has confirmed that a recent data breach has affected 550,000 individuals. As the investigation continued, the scale of the impact expanded, revealing that more people were affected […]

Digital communications technology giant Cisco addressed a static SSH credentials vulnerability in its Unified Communications Manager (Unified CM). A flaw, tracked as CVE-2025-20309 (CVSS score of 10), in Cisco Unified Communications Manager and its Session Management Edition lets remote attackers log in using hardcoded root credentials set during development. Cisco Unified Communications Manager (CUCM) is a call […]

U.S. Treasury sanctions Russia-based Aeza Group and affiliates for aiding cybercriminals via bulletproof hosting services. The U.S. Treasury’s Office of Foreign Assets Control (OFAC) sanctioned Russia-based Aeza Group for aiding global cybercriminals via bulletproof hosting services. A bulletproof hosting service is a type of internet hosting provider that knowingly allows cybercriminals to host malicious content […]

Qantas reports a cyberattack after hackers accessed customer data via a third-party platform, amid ongoing Scattered Spider aviation breaches. Qantas, Australia’s largest airline, disclosed a cyberattack after hackers accessed a third-party platform used by a call centre, stealing significant customer data. The breach, linked to ongoing Scattered Spider activity, was detected and contained on Monday. […]

Google released security patches to address a Chrome vulnerability, tracked as CVE-2025-6554, for which an exploit exists in the wild. Google released security patches to address a Chrome vulnerability, tracked as CVE-2025-6554, for which an exploit is available in the wild. “Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds TeleMessage TM SGNL flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added TeleMessage TM SGNL flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the descriptions for these flaws: CVE-2025-48927 is an Initialization of a Resource with an Insecure Default […]