Security Affairs

Experts discovered an undocumented hidden feature in the ESP32 microchip manufactured by Espressif, which is used in over 1 billion devices. At the RootedCON, researchers at Tarlogic Innovation presented their findings on undocumented commands in the ESP32 microchip designed by the Chinese manufacturer Espressif. The hidden functionality could act as a backdoor, enabling impersonation attacks […]

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Cellebrite zero-day exploit used to target phone of Serbian student activist   One in Four Cyberattacks in 2024 Traced to Infostealers, Huntress Reports   Uncovering .NET Malware Obfuscated by Encryption and Virtualization   Black Basta and Cactus Ransomware Groups […]

A new round of the weekly SecurityAffairs newsletter 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. Akira ransomware gang used an unsecured webcam to bypass EDR Japanese telecom giant NTT suffered a data breach […]

The Akira ransomware gang exploited an unsecured webcam to bypass EDR and launch encryption attacks on a victim’s network. Cybersecurity researchers at S-RM team discovered a novel attack technique used by the Akira ransomware gang. The ransomware group used an unsecured webcam to encrypt systems within a target’s network, bypassing Endpoint Detection and Response (EDR). The […]

A data breach suffered by the Japanese telecom giant NTT exposed information of nearly 18,000 corporate customers. Japanese telecom giant NTT suffered a data breach that exposed information of nearly 18,000 corporate customers. On February 5th, the security team detected suspicious activity in its ‘Order Information Distribution System,’ and immediately restricted access to device A. […]

Mirai-based botnets are exploiting a zero-day flaw, tracked as CVE-2025-1316, in Edimax IP cameras, to achieve remote command execution. US CISA warns that multiple botnets are exploiting a recently disclosed vulnerability, tracked as CVE-2025-1316 (CVSS score of 9.8), in Edimax IC-7100 IP cameras. The issue is an Improper Neutralization of Special Elements used in an […]

Differential privacy (DP) protects data by adding noise to queries, preventing re-identification while maintaining utility, addressing Artificial Intelligence -era privacy challenges. In the era of Artificial Intelligence, confidentiality and security are becoming significant challenges. Traditional anonymization techniques, such as pseudonymization and k-anonymity, have proven inadequate against sophisticated re-identification attacks. A robust privacy-preserving mechanism called differential […]

The U.S. Secret Service and global law enforcement seized the domain of sanctioned Russian crypto exchange Garantex. An international law enforcement operation led by U.S. Secret Service seized the website (“garantex[.]org”) of the sanctioned Russian crypto exchange Garantex. In April 2022, the US Treasury Department sanctioned the virtual currency exchange. Garantex has been active since 2019, […]

Medusa ransomware has claimed nearly 400 victims since January 2023, with attacks increasing by 42% between 2023 and 2024. The Symantec Threat Hunter Team reported that the Medusa ransomware operators have claimed nearly 400 victims since January 2023. Experts observed a 42% increase in attacks carried out by the group between 2023 and 2024. Experts […]

Qilin Ransomware group claims to have breached the Ministry of Foreign Affairs of Ukraine, marking a significant cybersecurity attack. The Russian-speaking Qilin Ransomware group claims responsibility for an attack on the Ministry of Foreign Affairs of Ukraine. The group stated that it stole sensitive data such as private correspondence, personal information, and official decrees. The […]

Elastic fixed a critical flaw in the Kibana data visualization dashboard software for Elasticsearch that could lead to arbitrary code execution. Elastic released security updates to address a critical vulnerability, tracked as CVE-2025-25012 (CVSS score of 9.9), impacting the Kibana data visualization dashboard software for Elasticsearch. Kibana provides visualization capabilities on top of the content indexed on an Elasticsearch cluster. Users can create bar, line […]

The U.S. Department of Justice (DoJ) charges 12 Chinese nationals for their alleged involvement in state-linked cyber operations. The U.S. DoJ charged 12 Chinese nationals, including PRC security officers, employees of the hacking firm i-Soon, and members of the APT27 group (aka Emissary Panda, TG-3390, Bronze Union, and Lucky Mouse), for data theft and suppressing dissent worldwide. “The Justice […]

China-linked Lotus Blossom APT targets governments and industries in Asian countries with new Sagerunex backdoor variants. Talos researchers linked China-backed Lotus Blossom APT (also known as Elise and Esile) to multiple campaigns targeting organizations in sectors such as government, manufacturing, telecommunications and media with the Sagerunex backdoor. The victims of the attacks are in the […]

Microsoft warns that China-backed APT Silk Typhoon linked to US Treasury hack, is now targeting global IT supply chains, using IT firms to spy and move laterally. Microsoft reported that China-linked APT group Silk Typhoon has shifted tactics to target IT solutions like remote management tools and cloud apps for initial access. Silk Typhoon is […]

Ransomware group Hunters International claims to have hacked Tata Technologies, threatening to leak 1.4 TB of stolen data. The Hunters International ransomware group claimed to have breached the Indian multinational technology company Tata Technologies, a Tata Motors subsidiary. The group claims the theft of 1.4 terabytes of data and is threatening to leak it. The […]

The Eleven11bot botnet has infected over 86,000 IoT devices, mainly security cameras and network video recorders (NVRs). Researchers from Nokia Deepfield Emergency Response Team (ERT) discovered a new botnet named Eleven11bot that has already infected over 86,000 IoT devices. Most infected devices are security cameras and network video recorders (NVRs), which are used to launch […]

The Polish space agency POLSA announced it has disconnected its network from the internet following a cyberattack. The Polish space agency POLSA was forced to disconnect its network from the internet in response to a cyberattack. The agency revealed that it has disconnected its infrastructure to contain the attack and secure data, a circumstance that […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Linux kernel and VMware ESXi and Workstation flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: The first issue, tracked as CVE-2024-50302, was addressed by Google with the release of the Android […]

Broadcom has addressed three VMware zero-day vulnerabilities in ESX products that are actively exploited in the wild. Broadcom released security updates to address three VMware zero-day vulnerabilities in ESX products that are actively exploited in the wild. The flaws, respectively tracked as CVE-2025-22224, CVE-2025-22225, and CVE-2025-22226, impact multiple VMware ESX products, including VMware ESXi, vSphere, […]

Companies face the risk of insider threats, worsened by remote work. North Korean hackers infiltrate firms via fake IT hires, stealing data. Stronger vetting is key. In an increasingly connected and digitalized world, companies are facing new security challenges. The insider threat, or the risk that an employee could harm the company, is a growing […]