Chinese state hackers use rootkit to hide ToneShell malware activity
A new sample of the ToneShell backdoor, typically seen in Chinese cyberespionage campaigns, has been delivered through a kernel-mode loader in attacks against government organizations.
Condé Nast Under Attack: Telling the Complexity of Cybersecurity
The recent incident involving Condé Nast is more than a simple data breach: it is a concrete example of how cybersecurity journalism often unfolds in real
Nuova determinazione ACN “Piattaforma NIS”: cosa cambia (davvero) per la registrazione 2026
ACN ha pubblicato una nuova determinazione sull’uso della piattaforma NIS che non introduce “nuovi obblighi NIS2” nel senso tecnico del termine: mette ordine su come gli obblighi si eseguono e su chi risponde, con finestre temporali rigide e un’impostazione molto più “compliance-by-design”. I punti cardine
Coupang to split $1.17 billion among 33.7 million data breach victims
Coupang, the largest retailer in South Korea, announced $1.17 billion (1.685 trillion Won) total compensation for the 33.7 million customers whose information was exposed in the data breach discovered last month.
KrebsOnSecurity.com celebrates its 16th anniversary today! A huge "thank you" to all of our readers -- newcomers, long-timers and drive-by critics alike. Your engagement this past year here has been tremendous and truly a salve on a handful of dark…
Hacker arrested for KMSAuto malware campaign with 2.8 million downloads
A Lithuanian national has been arrested for his alleged involvement in infecting 2.8 million systems with clipboard-stealing malware disguised as the KMSAuto tool for illegally activating Windows and Office software.
Trust Wallet says 2,596 wallets drained in $7 million crypto theft attack
Trust Wallet says attackers who compromised its browser extension right before Christmas have drained approximately $7 million from nearly 3,000 cryptocurrency wallet addresses.
Romanian energy provider hit by Gentlemen ransomware attack
A ransomware attack hit Oltenia Energy Complex (Complexul Energetic Oltenia), Romania's largest coal-based energy producer, on the second day of Christmas, taking down its IT infrastructure.
The Real-World Attacks Behind OWASP Agentic AI Top 10
OWASP's new Agentic AI Top 10 highlights real-world attacks already targeting autonomous AI systems, from goal hijacking to malicious MCP servers. Koi Security breaks down real-world incidents behind multiple categories, including two cases cited by OWASP, showing how agent tools and runtime behavior are being abused.
Former Coinbase support agent arrested for helping hackers
A former Coinbase customer service agent was arrested in India for helping hackers earlier this year steal sensitive customer information from a company database.
Korean Air data breach exposes data of thousands of employees
Korean Air experienced a data breach affecting thousands of employees after Korean Air Catering & Duty-Free (KC&D), its in-flight catering supplier and former subsidiary, was recently hacked.
Fortinet warns of 5-year-old FortiOS 2FA bypass still exploited in attacks
Fortinet has warned customers that threat actors are still actively exploiting a critical FortiOS vulnerability that allows them to bypass two-factor authentication (2FA) when targeting vulnerable FortiGate firewalls.
MongoBleed, la vulnerabilità in MongoDB è già sfruttata in rete: aggiornamento urgente
Disponibile in rete l’exploit per la vulnerabilità MongoBleed identificata in MongoDB: lo sfruttamento attivo potrebbe consentire l’accesso non controllato a zone di memoria riservate. La falla di sicurezza è già stata risolta dal vendor, per cui è urgente applicare il prima possibile la patch
You’ve been targeted by government spyware. Now what?
Tech companies are increasingly warning their customers that they have been targeted by governments with advanced government spyware, such as NSO's Pegasus or Paragon's Graphite. What happens after receiving a threat notification?
The HoneyMyte APT evolves with a kernel-mode rootkit and a ToneShell backdoor
Kaspersky discloses a 2025 HoneyMyte (aka Mustang Panda or Bronze President) APT campaign, which uses a kernel-mode rootkit to deliver and protect a ToneShell backdoor.
Manipolazione dei prompt: la bassa soglia di accesso apre il vaso di Pandora
Il prompt hacking o prompt injection ricorda i famigerati attacchi SQL injection dei primi anni 2000. Abbiamo già visto tattiche simili in passato. Ecco cosa rende questa minaccia particolarmente difficile da affrontare
Quando un’entità finanziaria è anche un fornitore ICT: gli impatti su GDPR, DORA, NIS2
Un’azienda, titolare di un trattamento, potrebbe nominare un proprio fornitore come responsabile del trattamento oppure operare come responsabile del trattamento per conto di uno o più clienti. O ancora agire come titolare e responsabile. Ecco che cosa accade, dal punto di vista della conformità normativa, qualora un’entità finanziaria ricopra anche il ruolo di fornitore ICT
A severe vulnerability affecting multiple MongoDB versions, dubbed MongoBleed (CVE-2025-14847), is being actively exploited in the wild, with over 80,000 potentially vulnerable servers exposed on the public web.
Hacker claims to leak WIRED database with 2.3 million records
A hacker claims to have breached Condé Nast and leaked an alleged WIRED database containing more than 2.3 million subscriber records, while also warning that they plan to release up to 40 million additional records for other Condé Nast properties.