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1757 notícias
Ameaças Cibernéticas The Hacker News 🇺🇸

Zombie Card Attack Can Revive Expired Visa Cards for Contactless Payments

Researchers at the University of Massachusetts Amherst have demonstrated an attack that revives expired Visa contactless credit cards for real in-store purchases by rewriting the expiration date a point-of-sale (POS) terminal reads over near-field communication (NFC), without bre…

Ameaças Cibernéticas The Hacker News 🇺🇸

CDN Tsunami Attack Abuses HTTP/3 Translation for Up to 350x DoS Amplification

Cybersecurity researchers have disclosed two denial-of-service (DoS) attacks that exploit how major content delivery networks (CDNs) convert client-facing HTTP/3 traffic into HTTP/1.1 requests to the websites they front, amplifying a low-bandwidth request stream by up to 350x aga…

Ameaças Cibernéticas The Hacker News 🇺🇸

40 Malicious Firefox Extensions Pose as Web3 Products to Steal Wallet Secrets

A set of 40 Mozilla Firefox extensions has been found to engage in cryptocurrency wallet theft by masquerading as OKX, Rabby Wallet, TronLink, and other Web3 products. According to the Socket Threat Research team, the extensions are part of a broader set of 77 browser add-ons th…

Ameaças Cibernéticas HIPAA Clicks 🇺🇸

Medusa Ransomware Group Has Attacked 500+ Critical Infrastructure Orgs

CISA, the Department of Health and Human Services (HHS), and the Federal Bureau of Investigation (FBI) have issued an updated […] The post Medusa Ransomware Group Has Attacked 500+ Critical Infrastructure Orgs appeared first on The HIPAA Journal.

Ameaças Cibernéticas Bleeping Computer 🇺🇸

Rogue ransomware affiliate poses as data recovery firm to steal payments

A suspected ransomware affiliate is posing as a ransomware recovery service called "Ransom Busters," contacting the victims before the attacks become public and claiming to be able to provide decryption keys and delete stolen data for a fee. [...]

Ameaças Cibernéticas Bleeping Computer 🇺🇸

Rogue ransomware affiliate poses as recovery firm to steal payments

A suspected ransomware affiliate is posing as a ransomware recovery service called "Ransom Busters," contacting the victims before the attacks become public and claiming to be able to provide decryption keys and delete stolen data for a fee. [...]

Ameaças Cibernéticas Dark Reading 🇺🇸

Agentic AI Presents New Insider Threat Model for Orgs

Katie Moussouris of Luta Security talks with the Dark Reading News Desk about how enterprises will now need to monitor risks posed by their own agents in the wake of the recent Hugging Face attack.

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