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Ameaças Cibernéticas The Hacker News 🇺🇸

Attackers Exploit Zimbra SNMP Flaw for Unauthenticated Remote Code Execution

A now-patched security flaw impacting Zimbra Collaboration (ZCS) has come under active exploitation in the wild, according to the Polish Computer Emergency Response Team (CERT Polska). The vulnerability in question is CVE-2026-73570 (CVSS score: 8.9), which refers to a case of c…

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…

Governança & IA Health IT Answers 🇺🇸

Winning the Revenue Cycle Arms Race Starts With the Foundation

By Brian Robertson -To improve revenue cycle management (RCM) through AI, organizations first have to change how they see the revenue cycle itself. RCM is no longer operational support. It is a core driver of enterprise strategy, corner office and all. The post Winning the Revenu…

Governança & IA The Hacker News 🇺🇸

Why "Shady AI" is Security's Next Big Governance Problem

In March 2026, an internal AI agent at Meta triggered a “Sev 1” incident after sensitive company and user data was exposed to employees who weren’t authorized to access it.  The incident began when a Meta employee posted a technical question on an internal forum. An engineer use…

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.

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