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Cyber Attack & Data Breach

Tracks cyberattacks, data breaches, compromised organizations, leaked data, and other security incidents

2254 articles

Cyber Attack & Data Breach · cloudsek.com

Unauthenticated MCP Server Exposed AWS Credentials Through SSRF and File Inclusion

CloudSEK says an unauthenticated MCP server exposed a customer’s internal tools, allowing an audio proxy to access AWS metadata and read local files, exposing IAM credentials and database secrets.

Jun 2, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Red Hat npm Packages Compromised in Miasma Credential-Theft Campaign

Researchers say 32 Red Hat npm packages were backdoored with Miasma, a Shai-Hulud variant targeting developer credentials and cloud secrets. Red Hat removed the packages and reported no identified impact to customer or production environments.

Jun 1, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Dashlane Suspends Accounts After Brute-Force Login Attempts

Dashlane said an external party targeted user accounts with brute-force login attempts, triggering temporary suspensions. The company unsuspended affected accounts and reported no evidence its systems were compromised, though some users continued to report login issues.

Jun 1, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims Leak of Database Allegedly Linked to Hampr, With 360,000 Records

An actor using the alias 2019 claims to have leaked a database allegedly linked to Australian workplace catering platform Hampr, reportedly containing more than 360,000 records. The claim is unverified.

May 31, 2026
Cyber Attack & Data Breach · therecord.media

Carnival Confirms April Data Breach That May Affect Nearly 6 Million People

Carnival confirmed an April cyberattack in which an attacker copied personal data after compromising an employee account. A Maine filing suggests nearly 6 million people may be affected; Carnival has not attributed the attack to ShinyHunters.

May 31, 2026
Cyber Attack & Data Breach · darkwebinformer.com

ChimeraZ Claims Leak of 6,000 Records Tied to Amepi

ChimeraZ claims to have leaked a database allegedly tied to French real-estate platform Amepi. The report says it may contain about 6,000 records, but does not confirm the database’s authenticity or connection to Amepi.

May 30, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Moelester Claims to Offer 458,000 Swiss Medical Member Records

Moelester claims to be selling a dataset allegedly tied to Argentine healthcare provider Swiss Medical, involving about 458,000 member records and a possible exposure of sensitive information.

May 30, 2026
Cyber Attack & Data Breach · rheinpfalz.de

Rhineland-Palatinate Political Education Center Takes Websites Offline After Cyberattack

The Rhineland-Palatinate Center for Political Education and Memorials isolated its websites after a cyberattack, leaving them inaccessible. It is investigating whether subscriber or customer data was exposed; none has been confirmed stolen.

May 29, 2026
Cyber Attack & Data Breach · securityweek.com

ShinyHunters Publishes Alleged Charter Data; Analysis Finds 4.9 Million Emails

ShinyHunters published data it says was stolen from Charter, claiming 42 million records. Have I Been Pwned identified 4.9 million unique email addresses. Charter said sales tools were affected and denied CPNI or sensitive personal information was released.

May 29, 2026
Cyber Attack & Data Breach · darkwebinformer.com

French Government Platform Resana Listed in Alleged 990,000-Record Data Sale

Threat actor xMetah claims to be selling a database allegedly tied to Resana, a French government collaboration platform; the purported dump reportedly contains 990,000 user records. The report does not independently verify exposure.

May 29, 2026
Cyber Attack & Data Breach · darkwebinformer.com

ChimeraZ Claims Leak of 100,000 Figaro Immobilier Invoices

ChimeraZ claims to have leaked a database allegedly tied to French real-estate platform Figaro Immobilier / Explorimmo, reportedly containing about 100,000 invoices. The leak and potential exposure of sensitive information are unverified.

May 29, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Charter breach exposed personal data from 4.9 million accounts, Have I Been Pwned says

Have I Been Pwned says leaked data affected 4.9 million Charter accounts. ShinyHunters claimed a vishing attack led to theft from Salesforce; Charter confirmed a breach but said no sensitive personal information or CPNI was exfiltrated.

May 29, 2026
Cyber Attack & Data Breach · nonbillable.co.uk

Weil Says Threat Actor Uploaded Client Documents; Report Says Firm Paid Up to $20M

Weil said a threat actor uploaded a limited number of client documents to external storage, while its investigation found no network access or disruption. The Insurer reported an $18M–$20M payment, which Weil has not confirmed.

May 29, 2026
Cyber Attack & Data Breach · darkwebinformer.com

ChimeraZ Claims Leak of 138,000 EnVisite Records

ChimeraZ claims to have leaked a database allegedly belonging to EnVisite, a French real-estate virtual tour platform. The claimed exposure involves 138,000 records, but the article provides no independent confirmation.

May 29, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims 43.8 Million iFood Customer Records in Extortion Attempt

An actor using the alias bacen claims to hold 43,847,219 iFood customer records, including CPF IDs, contact details and credit-card data, and is allegedly seeking extortion. The article provides no independent confirmation.

May 28, 2026
Cyber Attack & Data Breach · securityweek.com

Carnival Says Data Breach Affected Nearly 6 Million People

Carnival says attackers used social engineering to access an employee account and steal files containing personal information. The company reported 5,995,277 affected people; ShinyHunters separately claimed 8.7 million records and published data.

May 28, 2026
Cyber Attack & Data Breach · tagesschau.de

Portraitbox Hack Exposes Children’s Photos and Family Data

A cyberattack on Portraitbox reportedly stole children’s photos and families’ email addresses, delivery addresses, and passwords. Authorities say attackers are threatening to publish the photos; none had appeared in the Darknet at the time of reporting.

May 28, 2026
Cyber Attack & Data Breach · securityonline.info

Grafana Labs Reports Source Code Theft in Mini Shai-Hulud npm Worm Attack

Grafana Labs said a poisoned TanStack npm package led to read-only access to its GitHub repositories and theft of source code and business contact data. It said production and Grafana Cloud were unaffected and has rotated tokens and strengthened controls.

May 28, 2026
Cyber Attack & Data Breach · securityonline.info

GitHub Confirms 3,800 Internal Repositories Exfiltrated in TeamPCP-Linked VS Code Extension Breach

GitHub confirmed about 3,800 internal repositories were exfiltrated after a compromised VS Code extension harvested credentials. The company removed the extension, isolated an endpoint, rotated keys and tokens, and is preparing a technical report.

May 28, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Carnival Confirms Data Breach Affecting Nearly 6 Million People

Carnival says a social engineering attack led to unauthorized access and the theft of personal information affecting 5,995,277 people. ShinyHunters claimed responsibility, but Carnival has not attributed the breach.

May 28, 2026
Cyber Attack & Data Breach · vozdaplanicie.pt

Serpa Municipality Reports External Cyberattack, Communications Disrupted

Serpa Municipality says an external cyberattack affected its IT infrastructure. It reported the incident to authorities and said municipal services remain operational despite disruptions to fixed and mobile communications.

May 28, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims Sale of Alleged 437,000-Record Nitaqat Dataset

Databasehooligan claims to be selling a dataset allegedly taken from Saudi portal Nitaqat, comprising about 437,000 records with contacts, support tickets, booking history and business details.

May 27, 2026
Cyber Attack & Data Breach · darkwebinformer.com

MagoSpeak Claims Student Database Leak at Mexico’s Instituto Tecnológico de Zacatepec

MagoSpeak claims to have leaked a student database allegedly belonging to Instituto Tecnológico de Zacatepec, a public institute in Morelos, Mexico. The article provides no independent confirmation.

May 27, 2026
Cyber Attack & Data Breach · darkwebinformer.com

ChimeraZ Claims Leak of 9,000 FNHPA Member Records and Invoices

ChimeraZ claims a database linked to FNHPA was leaked, allegedly containing about 9,000 member records and invoice data. The claimed exposure has not been independently confirmed.

May 27, 2026
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