Cybersecurity researchers have disclosed details of a security flaw that leverages indirect prompt injection targeting Google Gemini as a way to bypass authorization guardrails and use Google Calendar as a data extraction mechanism. The vulnerability, Miggo Security's Head of Research, Liad Eliyahu, said, made it possible to circumvent Google Calendar's privacy controls by hiding a dormant

Le 16 janvier 2026, la Royal Navy a annoncé la réussite du premier vol de Proteus, un drone autonome de la taille et de la forme d’un hélicoptère conçu pour opérer depuis des navires en soutien de diverses missions, notamment la recherche de sous-marins hostiles.

ChatGPT Go is finally worth your money, as OpenAI has almost doubled the usage limits and enabled ultimate access to GPT 5.2 Instant. [...]

OpenAI is offering ChatGPT Plus, which costs $20 in the United States, for free, but the offer is valid for some accounts only, and it's a limited-time deal. [...]

A malvertising campaign is using a fake ad-blocking Chrome and Edge extension named NexShield that intentionally crashes the browser in preparation for ClickFix attacks. [...]

Ransomware attackers targeting a Fortune 100 company in the finance sector used a new malware strain, dubbed PDFSider, to deliver malicious payloads on Windows systems. [...]

The U.K. government is warning of continued malicious activity from Russian-aligned hacktivist groups targeting critical infrastructure and local government organizations in the country in disruptive denial-of-service (DDoS) attacks. [...]

Alors que la coupure d’Internet se prolonge en Iran, le pouvoir promet un retour progressif à la normale. L’ONG Filterwatch alerte pourtant sur un plan visant à réserver l’accès au Web mondial à une minorité, tout en développant un Internet national sous contrôle.

A Tennessee man has pleaded guilty to hacking the U.S. Supreme Court's electronic filing system and breaching accounts at the AmeriCorps U.S. federal agency and the Department of Veterans Affairs. [...]

Une vaste campagne cybercriminelle inonde actuellement les boîtes mail des Français. Exploitant les méthodes classiques du phishing, elle cible tout particulièrement les voyageurs de la SNCF.

A Jordanian man has pleaded guilty to operating as an "access broker" who sold access to the computer networks of at least 50 companies. [...]

In cybersecurity, the line between a normal update and a serious incident keeps getting thinner. Systems that once felt reliable are now under pressure from constant change. New AI tools, connected devices, and automated systems quietly create more ways in, often faster than security teams can react. This week’s stories show how easily a small mistake or hidden service can turn into a real

Just a few years ago, the cloud was touted as the “magic pill” for any cyber threat or performance issue. Many were lured by the “always-on” dream, trading granular control for the convenience of managed services. In recent years, many of us have learned (often the hard way) that public cloud service providers are not immune to attacks and SaaS downtime, hiding behind the Shared Responsibility

A team of academics from the CISPA Helmholtz Center for Information Security in Germany has disclosed the details of a new hardware vulnerability affecting AMD processors. The security flaw, codenamed StackWarp, can allow bad actors with privileged control over a host server to run malicious code within confidential virtual machines (CVMs), undermining the integrity guarantees provided by AMD

La généralisation des dispositifs médicaux connectés transforme en profondeur les pratiques de soins, mais expose également les établissements de santé à de nouveaux risques cyber.  En 2024, 749 incidents de cybersécurité affectant des établissements de santé en France ont été déclarés, soit une forte augmentation par rapport à 2023, ce qui illustre la multiplication des […]

The post Cybersécurité des établissements de santé : Keyfactor alerte sur les risques liés à la perte de confiance numérique des dispositifs médicaux first appeared on UnderNews.

​Information technology giant Ingram Micro has revealed that a ransomware attack on its systems in July 2025 led to a data breach affecting over 42,000 individuals. [...]

Cybersecurity researchers have disclosed details of an ongoing campaign dubbed KongTuke that used a malicious Google Chrome extension masquerading as an ad blocker to deliberately crash the web browser and trick victims into running arbitrary commands using ClickFix-like lures to deliver a previously undocumented remote access trojan (RAT) dubbed ModeloRAT. This new escalation of ClickFix has

Zimperium, spécialiste mondial de la sécurité mobile, alerte sur la progression rapide des attaques de phishing via QR codes, aussi appelées « quishing ». En un an, elles ont bondi d’environ 25% et représentent désormais jusqu’à un quart des campagnes d’hameçonnage exploitant ce vecteur comme principal leurre. Tribune – Ces campagnes reposent sur des QR […]

The post Les QR codes s’imposent un vecteur majeur de phishing mobile first appeared on UnderNews.

Une étude de Flare révèle que près de la moitié des cybercriminels utilisent des kits de phishing multi-marques pour voler des données. Un nouveau rapport lève le voile sur l’écosystème sophistiqué qui alimente les campagnes de phishing touchant particuliers et entreprises. Tribune – Flare, leader du Threat Exposure Management, publie une nouvelle étude « The […]

The post Étude Flare : près d’un cybercriminel sur deux utilise des kits de phishing multi-marques first appeared on UnderNews.