#backdoor

Cisco Talos Incident Response observed a surge in attacks exploiting public-facing applications — mainly via ToolShell targeting SharePoint — for initial access, with post-exploitation phishing and evolving ransomware tactics also persisting this quarter.

E-commerce security company Sansec has warned that threat actors have begun to exploit a recently disclosed security vulnerability in Adobe Commerce and Magento Open Source platforms, with more than 250 attack attempts recorded against multiple stores over the past 24 hours. The vulnerability in question is CVE-2025-54236 (CVSS score: 9.1), a critical improper input validation flaw that could be

South Asian hacking group Bitter (APT-Q-37) is deploying a C# backdoor using two new methods: a WinRAR flaw and malicious Office XLAM files, targeting government and military sectors.

The Iranian nation-state group known as MuddyWater has been attributed to a new campaign that has leveraged a compromised email account to distribute a backdoor called Phoenix to various organizations across the Middle East and North Africa (MENA) region, including over 100 government entities. The end goal of the campaign is to infiltrate high-value targets and facilitate intelligence gathering

Cybersecurity researchers have disclosed details of a coordinated spear-phishing campaign dubbed PhantomCaptcha targeting organizations associated with Ukraine's war relief efforts to deliver a remote access trojan that uses a WebSocket for command-and-control (C2). The activity, which took place on October 8, 2025, targeted individual members of the International Red Cross, Norwegian Refugee

The Iranian threat group is using a compromised mailbox accessed through NordVPN to send phishing emails that prompt recipients to enable macros.

Government, financial, and industrial organizations located in Asia, Africa, and Latin America are the target of a new campaign dubbed PassiveNeuron, according to findings from Kaspersky. The cyber espionage activity was first flagged by the Russian cybersecurity vendor in November 2024, when it disclosed a set of attacks aimed at government entities in Latin America and East Asia in June, using

The China-linked Salt Typhoon APT group attacked a European telecom via a Citrix NetScaler vulnerability in July 2025, Darktrace reports. This follows past US Army and telecom breaches.

Cybersecurity researchers have shed light on the inner workings of a botnet malware called PolarEdge. PolarEdge was first documented by Sekoia in February 2025, attributing it to a campaign targeting routers from Cisco, ASUS, QNAP, and Synology with the goal of corralling them into a network for an as-yet-undetermined purpose. The TLS-based ELF implant, at its core, is designed to monitor

A new malware attributed to the Russia-linked hacking group known as COLDRIVER has undergone numerous developmental iterations since May 2025, suggesting an increased "operations tempo" from the threat actor. The findings come from Google Threat Intelligence Group (GTIG), which said the state-sponsored hacking crew has rapidly refined and retooled its malware arsenal merely five days following