100 Chrome Extensions Steal User Data, Create Backdoor 2026-04-15 at 16:34 By Ionut Arghire Published through five accounts, the extensions appear part of a coordinated campaign based on shared C&C infrastructure. The post 100 Chrome Extensions Steal User Data, Create Backdoor appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source
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North Korean hackers linked to Axios npm supply chain compromise 2026-04-01 at 18:56 By Zeljka Zorz The software supply chain attack that resulted in the compromise of npm packages of Axios, an extremely popular HTTP client library, is believed to be the work of financially-motivated North Korean attackers. Links to UNC1069 On March 31, 2026, […]
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Researchers release tool to detect stealthy BPFDoor implants in critical infrastructure networks 2026-03-26 at 15:52 By Zeljka Zorz Telecommunications providers around the world have been dealing with the burrowing efforts of the China-linked APTs for many years now. To help them identify hard-to-detect implants used by the China-based group dubbed Red Menshen, Rapid7 researchers have […]
Chinese Hackers Caught Deep Within Telecom Backbone Infrastructure 2026-03-26 at 15:52 By Ionut Arghire The state-sponsored threat actor deployed kernel implants and passive backdoors enabling long-term, high-level espionage. The post Chinese Hackers Caught Deep Within Telecom Backbone Infrastructure appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source
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Iran-linked APT targets US critical sectors with new backdoors 2026-03-06 at 15:56 By Zeljka Zorz An Iran-linked hacking group has been active inside the networks of several US organizations since early February, raising concerns that the activity could precede broader cyber operations connected to escalating geopolitical tensions in the Middle East. New backdoors used by […]
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‘DKnife’ Implant Used by Chinese Threat Actor for Adversary-in-the-Middle Attacks 2026-02-06 at 11:08 By Ionut Arghire Used since at least 2019, DKnife has been targeting the desktop, mobile, and IoT devices of Chinese users. The post ‘DKnife’ Implant Used by Chinese Threat Actor for Adversary-in-the-Middle Attacks appeared first on SecurityWeek. This article is an excerpt […]
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Cisco fixes AsyncOS vulnerability exploited in zero-day attacks (CVE-2025-20393) 2026-01-16 at 17:05 By Zeljka Zorz Cisco has finally shipped security updates for its Email Security Gateway and Secure Email and Web Manager devices, which fix CVE-2025-20393, a vulnerability in the devices’ AsyncOS that has been exploited as a zero-day by suspected Chinese attackers since at […]
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Cisco email security appliances rooted and backdoored via still unpatched zero-day 2025-12-17 at 21:47 By Zeljka Zorz A suspected Chinese-nexus threat group has been compromising Cisco email security devices and planting backdoors and log-purging tools on them since at least late November 2025, Cisco Talos researchers have shared. “Our analysis indicates that appliances with non-standard […]
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Chrome, Edge Extensions Caught Tracking Users, Creating Backdoors 2025-12-02 at 16:35 By Ionut Arghire The extensions were seen profiling users, reading cookie data to create unique identifiers, and executing payloads with browser API access. The post Chrome, Edge Extensions Caught Tracking Users, Creating Backdoors appeared first on SecurityWeek. This article is an excerpt from SecurityWeek […]
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MuddyWater cyber campaign adds new backdoors in latest wave of attacks 2025-12-02 at 15:15 By Sinisa Markovic ESET researchers say an Iran aligned threat group is refining its playbook again, and the latest activity shows how much its tactics have shifted. MuddyWater is a long running cyberespionage group, and new findings points to a campaign […]
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Cisco ASA zero-day vulnerabilities exploited in sophisticated attacks 2025-09-26 at 14:19 By Zeljka Zorz A widespread campaign aimed at breaching organizations via zero-day vulnerabilities in Cisco Adaptive Security Appliances (ASA) has been revealed by the US, UK, Canadian and Australian cybersecurity agencies. The suspected state-sponsored threat actor behind it is believed to be the one […]
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Attackers use “Contact Us” forms and fake NDAs to phish industrial manufacturing firms 2025-08-29 at 14:19 By Zeljka Zorz A recently uncovered phishing campaign – carefully designed to bypass security defenses and avoid detection by its intended victims – is targeting firms in industrial manufacturing and other companies critical to various supply chains, Check Point […]
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NetScaler ADC/Gateway zero-day exploited by attackers (CVE-2025-7775) 2025-08-26 at 16:35 By Zeljka Zorz Three new vulnerabilities affecting (Citrix) NetScaler application delivery controller (ADC) and Gateway devices have been made public, one of which (CVE-2025-7775) has been targeted in zero-day attacks. “Exploits of CVE-2025-7775 on unmitigated appliances have been observed,” Citrix has confirmed, and released security […]
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Microsoft Dissects PipeMagic Modular Backdoor 2025-08-19 at 17:07 By Ionut Arghire PipeMagic, which poses as a ChatGPT application, is a modular malware framework that provides persistent access and flexibility. The post Microsoft Dissects PipeMagic Modular Backdoor appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source
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WinRAR zero-day was exploited by two threat actors (CVE-2025-8088) 2025-08-12 at 16:11 By Zeljka Zorz The RomCom attackers aren’t the only ones that have been leveraging the newly unveiled WinRAR vulnerability (CVE-2025-8088) in zero-day attacks: according to Russian cybersecurity company BI.ZONE, a group tracked as Paper Werewolf has been using it to target Russian organizations. […]
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WinRAR zero day exploited by RomCom hackers in targeted attacks 2025-08-11 at 12:55 By Sinisa Markovic ESET researchers have discovered a previously unknown vulnerability in WinRAR, exploited in the wild by Russia-aligned group RomCom. If you use WinRAR or related components such as the Windows versions of its command line tools, UnRAR.dll, or the portable […]
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SonicWall SMA devices persistently infected with stealthy OVERSTEP backdoor and rootkit 2025-07-16 at 20:54 By Zeljka Zorz Unknown intruders are targeting fully patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances and deploying a novel, persistent backdoor / rootkit, analysts with Google’s Threat Intelligence Group (GTIG) have warned. The analysts say UNC6148 – as […]
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Flaws in Gigabyte Firmware Allow Security Bypass, Backdoor Deployment 2025-07-14 at 14:54 By Ionut Arghire Vulnerabilities in Gigabyte firmware implementations could allow attackers to disable Secure Boot and execute code during the early boot phase. The post Flaws in Gigabyte Firmware Allow Security Bypass, Backdoor Deployment appeared first on SecurityWeek. This article is an excerpt […]
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Stealthy backdoor found hiding in SOHO devices running Linux 2025-06-23 at 11:02 By Mirko Zorz SecurityScorecard’s STRIKE team has uncovered a network of compromised small office and home office (SOHO) devices they’re calling LapDogs. The threat is part of a broader shift in how China-Nexus threat actors are using Operational Relay Box (ORB) networks to […]
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Encryption Backdoors: The Security Practitioners’ View 2025-06-19 at 14:08 By Kevin Townsend After decades of failed attempts to access encrypted communications, governments are shifting from persuasion to coercion—security experts say the risks are too high. The post Encryption Backdoors: The Security Practitioners’ View appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View […]
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