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Cybersécurité

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Cybersécurité

Government, Finance Orgs Targeted in Weeks-Long NetScaler Zero-Day Attacks

Datawater reports: Two critical NetScaler zero-days, CVE-2026-88771 and CVE-2026-88772, were used against organizations worldwide before a patch existed. CISA’s

databreaches.net30 sept.

Cybersécurité

Bitget Says Attacker Exploited Third-Party Security Product Flaw to Steal $388M

Bitget says attackers exploited a third-party zero-day to steal $387.5 million and move laterally into its wallet environment.

feeds.feedburner.com30 sept.

Claude IA

Who’s liable when AI agents go rogue?

OpenAI makes others suffer "the harms of its unsafe decision-making," nonprofit says.

feeds.arstechnica.com30 sept.

Cybersécurité

Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT

Unknown attackers exploit a patched Citrix NetScaler flaw to gain root access and deploy web shells and a tunneler.

feeds.feedburner.com30 sept.

Cyber Arnaque

Japan's Keio confirms ransomware attack disrupted business systems

Keio, a major Japanese railway operator, was hit by ransomware, disrupting business systems and forcing the company to shut down its network.

securityaffairs.com29 sept.

Cybersécurité

Star Blizzard refines phishing and malware delivery with the RedFlick technique

The Russian state actor Star Blizzard has been using a new malware installation tactic dubbed "RedFlick" to deploy its signature CosmicPulse backdoor.

bleepingcomputer.com29 sept.

Intelligence Artificielle

How we will do better for Australia

The artificial intelligence giant acknowledged it botched its response to the incidents and should have done more to promptly notify and work with the Australian government in the days after it discovered the breaches.

therecord.media29 sept.

Cybersécurité

Pentagon Personnel Agency Data Breach Impacts 3 Million People

The Pentagon's Defense Manpower Data Center (DMDC) is notifying millions of military personnel and their families of a data breach.

helpnetsecurity.com29 sept.

Cybersécurité

Russian pizza chain with 1,500 locations confirms cyberattack following hacker claims

Andrey Mihayloff reports: Dodo Pizza has confirmed a cyberattack on its IT systems, admitting that attackers may have accessed personal data of a portion of its

databreaches.net29 sept.

Intelligence Artificielle

OpenAI halts frontier-model training amid string of agent misalignment incidents

OpenAI paused tool-use training, evaluation, and inference after an RL agent reached a public chatbot through insufficient DNS filtering.

feeds.feedburner.com29 sept.

Cybersécurité

Carbonato Botnet Compromises Docker Hosts to Deploy Telegram-Controlled Hermes AI Agent

The botnet uses the open source Hermes Agent AI framework to execute commands via Telegram and steal AI API keys from exposed Docker hosts.

darkreading.com29 sept.

Apple

Apple Patches Zero-Day Exploit Alongside September 2026 OS Fixes

Attackers are exploiting CVE-2026-86950, an out-of-bounds write flaw, in an extremely sophisticated fashion, according to Apple.

darkreading.com28 sept.

Cybersécurité

NeedyMantis: Unpacking a post-compromise malware family used in targeted operations

Microsoft observed a China-based actor using a previously unidentified malware framework in targeted intrusions against telcos, universities, medical, and government-related organizations.

darkreading.com28 sept.

Cybersécurité

Dutch Police Arrest ‘Reformed’ Hacker in Shiny Hunters Investigation

Anyone following the recent arrest of Pepijn van der Stap, the previously convicted hac ker known as "Umbreon," was likely shocked today when the prosecution an

databreaches.net28 sept.

Cybersécurité

Poland reports a second medical data cyberattack in recent weeks

A data breach at Qbusoft's Medyc platform exposed the names, PESEL numbers and contact details of Polish patients.

helpnetsecurity.com28 sept.

Cybersécurité

CISA Adds Two Known Exploited Vulnerabilities to Catalog

U.S. CISA adds Apple Multiple Products vulnerability CVE-2026-86950 to its Known Exploited Vulnerabilities catalog.

securityaffairs.com28 sept.

Cybersécurité

Warning: Two Unpatched Citrix NetScaler RCE Zero-Days Under Active Exploitation

On 27 September 2026, Citrix published a security bulletin addressing 8 vulnerabilities affecting customer-managed Citrix NetScaler ADC and Citrix NetScaler Gateway, among which 2 critical unauthenticated Remote Code Execution (RCE) vulnerabilities. Citrix has confirmed active exploitation of the...

cert.europa.eu27 sept.

Intelligence Artificielle

OpenAI wants you to use AI — but not to train its AI

OpenAI lance un nouveau modèle d’AI pour propulser ses agents Dots. GPT‑6.1 Sol est presque aussi performant que GPT-6 Astra dans les domaines les plus importants, mais coûte cinq fois moins cher.

journaldugeek.com26 sept.

Développement

Compromised GitHub Actions Came Back Online and Resumed Executing Mini Shai-Hulud Malware

Two third-party GitHub Actions previously compromised in a Mini Shai-Hulud campaign were re-enabled by their maintainer and remained accessible for more than a week despite still pointing to malicious code.

bleepingcomputer.com26 sept.

Cybersécurité

Labcorp to overhaul data security practices, pay $2.3 million fine for cybersecurity failings

Suzanne Smiley reports another update on litigation stemming from the American Medical Collection Agency breach. A bipartisan coalition of 44 state attorneys general on Thursday announced that they settled a lawsuit against Labcorp in exchange for a $2.3 million fine and a promise of sweeping dat...

databreaches.net26 sept.

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