Security Affairs

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 […]

The International Criminal Court (ICC) is probing a sophisticated cyberattack that was discovered and contained last week. On June 30, 2025, the International Criminal Court (ICC) announced that it was hit by a sophisticated and targeted cyberattack. The organization confirmed that the incident was detected and contained by its defense systems. “Late last week, the […]

A cyberattack on healthcare provider Esse Health in April 2025 exposed data of 263K+ patients, including SSNs and medical info. In April 2025, Missouri-based healthcare provider Esse Health suffered a cyberattack that disrupted its systems and led to the theft of personal data from over hundreds of thousands individuals. Esse Health is an independent physician […]

Germany asked Google and Apple to remove DeepSeek AI from their app stores, citing GDPR violations over unlawful data collection and transfers to China. The Berlin Commissioner for Data Protection requested Google and Apple to remove the DeepSeek AI app from their app stores due to GDPR violations. On May 6, 2025, Berlin’s Data Protection Commissioner […]

Europol busted a crypto scam ring that laundered €460M from 5,000+ victims. Operation Borrelli involved Spain, the U.S., France, and Estonia. Europol has taken down a massive cryptocurrency fraud ring that scammed over 5,000 people worldwide, laundering around €460 million ($540 million). The international operation, dubbed Operation Borrelli, began in 2023 and was led by […]