Coruna: The Mysterious Journey of a Powerful iOS Exploit Kit

Google Threat Intelligence Group (GTIG) has identified a new and powerful exploit kit targeting Apple iPhone models running iOS version 13.0 (released in September 2019) up to version 17.2.1 (released in December 2023). The exploit kit, named “Coruna” by its Read More …

New Android malware can hack every top phone maker’s security, and costs less than a second-hand iPhone

Oblivion is a newly observed Android Remote Access Trojan which reportedly targets a range of popular devices running Android 8 through 16. Security researchers at Certo have examined the tool, which is sold on a subscription basis starting at $300, Read More …

Exposing the Undercurrent: Disrupting the GRIDTIDE Global Cyber Espionage Campaign

Last week, Google Threat Intelligence Group (GTIG), Mandiant, and partners took action to disrupt a global espionage campaign targeting telecommunications and government organizations in dozens of nations across four continents. The threat actor, UNC2814, is a suspected People’s Republic of Read More …

North Korea’s Lazarus Group targets healthcare orgs with Medusa ransomware

North Korea’s Lazarus Group appears to have added another tool to its kit. It has begun using Medusa ransomware in extortion attacks targeting at least one US healthcare organization and an unnamed victim in the Middle East, according to Symantec Read More …

Massive Winos 4.0 Campaigns Target Taiwan

FortiGuard Labs recently observed several targeted phishing campaigns in Taiwan that use themes designed to exploit local business processes. These campaigns disseminate Winos 4.0 (ValleyRat) and subsequent malicious plugins through weaponized attachments or embedded links. The lures mimic official communications, Read More …

Arkanix Stealer: C++ and Python infostealer

In October 2025, Kaspersky researchers discovered a series of forum posts advertising a previously unknown stealer, dubbed “Arkanix Stealer” by its authors. It operated under a MaaS (malware-as-a-service) model, providing users not only with the implant but also with access Read More …

Divide and conquer: how the new Keenadu backdoor exposed links between major Android botnets

In April 2025, Kaspersky reported on a then-new iteration of the Triada backdoor that had compromised the firmware of counterfeit Android devices sold across major marketplaces. The malware was deployed to the system partitions and hooked into Zygote – the Read More …

RenEngine: When “free” comes at too high a price

Kaspersky researchers often describe cases of malware distribution under the guise of game cheats and pirated software. Sometimes such methods are used to spread complex malware that employs advanced techniques and sophisticated infection chains. In February 2026, researchers from Howler Read More …

Approaching cyclone: Vortex Werewolf attacks Russia

In December 2025 and January 2026, BI.ZONE Threat Intelligence detected malicious activity by a new cluster Vortex Werewolf (SkyCloak). The attacks targeted Russian government and defense organizations. BI.ZONE researchers findings indicate that the adversary used phishing emails to deliver malware Read More …

Dynowiper: Destructive Malware Targeting Poland’s Energy Sector

The coordinated destructive campaign against critical energy infrastructure occurred on December 29, 2025, during a period of severe winter weather in Poland. According to CERT Polska’s report, the campaign targeted: 30+ wind and solar farms across Poland; A major CHP Read More …