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Germany's Federal Office for the Protection of the Constitution (aka Bundesamt für Verfassungsschutz or BfV) and Federal Office for Information Security (BSI) have issued a joint advisory warning of a malicious cyber campaign undertaken by a likely state-sponsored threat actor that involves carrying out phishing attacks over the Signal messaging app. "The focus is on high-ranking targets in politics, the military, and diplomacy, as well as investigative journalists in Germany and Europe," the agencies said . "Unauthorized access to messenger accounts not only allows access to confidential private communications but also potentially compromises entire networks." A noteworthy aspect of the campaign is that it does not involve the distribution of malware or the exploitation of any security vulnerability in the privacy-focused messaging platform. Rather, the end goal is to weaponize its legitimate features to obtain covert access to a victim's chats, along wi...

Cybersecurity researchers have taken the wraps off a gateway-monitoring and adversary-in-the-middle (AitM) framework dubbed DKnife that's operated by China-nexus threat actors since at least 2019. The framework comprises seven Linux-based implants that are designed to perform deep packet inspection, manipulate traffic, and deliver malware via routers and edge devices. Its primary targets seem to be Chinese-speaking users, an assessment based on the presence of credential harvesting phishing pages for Chinese email services, exfiltration modules for popular Chinese mobile applications like WeChat, and code references to Chinese media domains. "DKnife's attacks target a wide range of devices, including PCs, mobile devices, and Internet of Things (IoT) devices," Cisco Talos researcher Ashley Shen noted in a Thursday report. "It delivers and interacts with the ShadowPad and DarkNimbus backdoors by hijacking binary downloads and Android application updates....

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered Federal Civilian Executive Branch (FCEB) agencies to strengthen asset lifecycle management for edge network devices and remove those that no longer receive security updates from original equipment manufacturers (OEMs) over the next 12 to 18 months. The agency said the move is to drive down technical debt and minimize the risk of compromise, as state-sponsored threat actors turn such devices as a preferred access pathway for breaking into target networks. Edge devices is an umbrella term that encompasses load balancers, firewalls, routers, switches, wireless access points, network security appliances, Internet of Things (IoT) edge devices, software-defined networks, and other physical or virtual networking components that route network traffic and hold privileged access. "Persistent cyber threat actors are increasingly exploiting unsupported edge devices -- hardware and software that no longer receiv...

A previously undocumented cyber espionage group operating from Asia broke into the networks of at least 70 government and critical infrastructure organizations across 37 countries over the past year, according to new findings from Palo Alto Networks Unit 42. In addition, the hacking crew has been observed conducting active reconnaissance against government infrastructure associated with 155 countries between November and December 2025. Some of the entities that have been successfully compromised include five national-level law enforcement/border control entities, three ministries of finance and other government ministries, and departments that align with economic, trade, natural resources, and diplomatic functions. The activity is being tracked by the cybersecurity company under the moniker TGR-STA-1030 , where "TGR" stands for temporary threat group and "STA" refers to state-backed motivation. Evidence shows that the threat actor has been active since January ...

As you know, enterprise network security has undergone significant evolution over the past decade. Firewalls have become more intelligent, threat detection methods have advanced, and access controls are now more detailed. However (and it’s a big “however”), the increasing use of mobile devices in business operations necessitates network security measures that are specifically tailored to their unique operating patterns. Yes, enterprises have invested heavily in robust network security such as firewalls, intrusion detection, and threat intelligence platforms. And yes, these controls work exceptionally well for traditional endpoints—but mobile devices operate differently! They connect to corporate Wi-Fi and public networks interchangeably. They run dozens of apps with varying trust levels. They process sensitive data in coffee shops, airports, and home offices. The challenge isn't that organizations lack security—it's that mobile devices need security controls that adapt to t...