Booking.com Data Breach Exposes Customer Reservation Details, Raising Phishing Risk for Travellers

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Databreach

Booking.com Data Breach Exposes Customer Reservation Details, Raising Phishing Risk for Travellers

18 April 2026 dark6

Booking.com has notified customers of a data breach that exposed names, addresses, email addresses, phone numbers, and full reservation details....

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Malware

APT28 Deploys New PRISMEX Malware Suite Against Ukraine and NATO in Sophisticated Espionage Campaign

18 April 2026 dark6

Russia's APT28 (Fancy Bear) has launched a new campaign deploying the previously undocumented PRISMEX malware framework, which uses steganography, COM...

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Vulnerability

CISA Adds Apache ActiveMQ CVE-2026-34197 to KEV Catalog as Active Exploitation Surges

18 April 2026 dark6

CISA has added CVE-2026-34197, a high-severity (CVSS 8.8) deserialization flaw in Apache ActiveMQ Classic, to its Known Exploited Vulnerabilities catalog...

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Vulnerability

Microsoft April 2026 Patch Tuesday: Actively Exploited SharePoint Zero-Day Among 167 Fixes

18 April 2026 dark6

Microsoft's April 2026 Patch Tuesday patches 167 vulnerabilities including an actively exploited SharePoint Server zero-day (CVE-2026-32201) and a publicly disclosed...

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Databreach

Chime Faces Class Action Lawsuit Over April 2026 Data Breach: Complaint Claims It ‘Could Have Been Prevented’

17 April 2026 dark6

A class action lawsuit filed against neobank Chime Financial alleges the company 'lost control' of customer payment and personal data...

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Malware

CERT-UA Exposes APT Malware Campaign Targeting Eastern European Governments and Municipal Hospitals

17 April 2026 dark6

Ukraine's CERT-UA has disclosed a sophisticated infostealer campaign targeting government bodies and municipal healthcare institutions across Eastern Europe. The malware...

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Vulnerability

CVE-2026-39987: Marimo RCE Zero-Day Exploited Within 10 Hours of Disclosure — 662 Attacks Recorded

17 April 2026 dark6

A critical unauthenticated RCE vulnerability in the Marimo Python notebook framework (CVE-2026-39987) was actively exploited just 10 hours after public...

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Ransomware

BLACKWATER Ransomware Debuts with Devastating Strike on Major Turkish Hospital Network, Claims 3.3 TB Stolen

17 April 2026 dark6

A newly emerged ransomware group called BLACKWATER has claimed its first major victim: Medical Park Hospitals Group in Turkey, with...

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Malware

MuddyWater-Linked APT Campaign Scanned 12,000+ Systems Before Striking Middle East Critical Infrastructure

16 April 2026 dark6

Iran-linked threat group MuddyWater is behind a sophisticated espionage campaign that scanned over 12,000 systems in the Middle East before...

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Cybercrime

Fake Ledger Live App on Apple’s Mac App Store Steals $9.5 Million in Crypto from 50+ Victims

16 April 2026 dark6

A counterfeit Ledger Live app remained live on Apple's Mac App Store for two weeks, tricking users into entering their...

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Vulnerability

Critical Fortinet FortiClient EMS Vulnerability CVE-2026-21643 Actively Exploited — CISA Demands Patch Today

16 April 2026 dark6

CISA has added CVE-2026-21643, a critical pre-authentication SQL injection flaw in Fortinet FortiClient EMS (CVSS 9.1), to its Known Exploited...

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Databreach

Booking.com Confirms Data Breach: Reservation Data and Personal Details of Customers Exposed

16 April 2026 dark6

Booking.com has confirmed hackers accessed customer reservation data including names, addresses, phone numbers, and booking details. Security experts warn the...

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