The North Korea-linked threat actor known as Kimsuky has distributed a previously undocumented backdoor codenamed HttpTroy as part of a likely spear-phishing attack targeting a single victim in South Korea. Gen Digital, which disclosed details of the activity, did not reveal any details on when the incident occurred, but noted that the phishing email contained…
The Australian Signals Directorate (ASD) has issued a bulletin about ongoing cyber attacks targeting unpatched Cisco IOS XE devices in the country with a previously undocumented implant known as BADCANDY. The activity, per the intelligence agency, involves the exploitation of CVE-2023-20198 (CVSS score: 10.0), a critical vulnerability that allows a remote, unauthenticated attacker to create…
The spear-phishing campaign uses fake European Commission and NATO-themed lures to trick diplomatic personnel into clicking malicious links.
The US telecom company disclosed that suspected nation-state actors first gained access to its network in December of last year, though it’s unclear if attackers obtained sensitive data.
OpenAI has announced the launch of an “agentic security researcher” that’s powered by its GPT-5 large language model (LLM) and is programmed to emulate a human expert capable of scanning, understanding, and patching code. Called Aardvark, the artificial intelligence (AI) company said the autonomous agent is designed to help developers and security teams flag and…
A suspected nation-state threat actor has been linked to the distribution of a new malware called Airstalk as part of a likely supply chain attack. Palo Alto Networks Unit 42 said it’s tracking the cluster under the moniker CL-STA-1009, where “CL” stands for cluster and “STA” refers to state-backed motivation. “Airstalk misuses the AirWatch API…
A China-affiliated threat actor known as UNC6384 has been linked to a fresh set of attacks exploiting an unpatched Windows shortcut vulnerability to target European diplomatic and government entities between September and October 2025. The activity targeted diplomatic organizations in Hungary, Belgium, Italy, and the Netherlands, as well as government agencies in Serbia, Arctic Wolf…
The exploitation of a recently disclosed critical security flaw in Motex Lanscope Endpoint Manager has been attributed to a cyber espionage group known as Tick. The vulnerability, tracked as CVE-2025-61932 (CVSS score: 9.3), allows remote attackers to execute arbitrary commands with SYSTEM privileges on on-premise versions of the program. JPCERT/CC, in an alert issued this…
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Debates over the effectiveness of phishing simulations are widespread. Sophos X-Ops looks at the arguments for and against – and our own phishing philosophy