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Cyber Attack & Data Breach

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

2306 articles

Cyber Attack & Data Breach · signature-healthcare.org

Signature Healthcare Reports Cybersecurity Incident, Diverts Ambulances and Cancels Chemotherapy

Signature Healthcare says suspicious network activity affected some information systems. The hospital is investigating and using downtime procedures; ambulance traffic is diverted, and chemotherapy infusions are canceled for April 7.

Apr 8, 2026
Cyber Attack & Data Breach · dailydarkweb.net

Handala Hack Team Claims Data Theft Targeting Israeli Drone Director

The Handala Hack Team claims it targeted Vered Haimovich through a hotel-based hardware swap in Uzbekistan and stole emails, UAV data, Elbit Systems reports, and personal files. The claims are unverified.

Apr 8, 2026
Cyber Attack & Data Breach · dailydarkweb.net

Benito Juárez Municipality Reportedly Suffers Business Data Leak

A dark web forum posting claims data for more than 38,360 people tied to Benito Juárez municipal business registrations was exposed, including RFC tax IDs, contact details, addresses, and business-license information. The claim is unconfirmed.

Apr 8, 2026
Cyber Attack & Data Breach · dailydarkweb.net

Dark Web Forum Post Claims Data Breach at Anáhuac Mayab Clinical Center

A dark web forum user reportedly posted a download link to databases allegedly belonging to Centro de Estudios Clínicos Anáhuac Mayab, including patient, appointment and inventory records. The claim is unverified.

Apr 8, 2026
Cyber Attack & Data Breach · securityweek.com

Cyberattack Disrupts Massachusetts Hospital, Forcing Ambulance Diversions

Signature Healthcare reported suspicious activity in part of its network, prompting downtime procedures and ambulance diversions. Some services were disrupted; the organization has not confirmed ransomware, and the attackers’ motives are unclear.

Apr 8, 2026
Cyber Attack & Data Breach · news8000.com

Minnesota Authorizes National Guard Assistance After Winona County Cyberattack

A cyberattack that began Monday and continued into Tuesday disrupted Winona County’s critical systems and services. Gov. Tim Walz authorized National Guard assistance as state, federal and external experts coordinate the response.

Apr 8, 2026
Cyber Attack & Data Breach · theregister.com

Ransomware attack disrupts Dutch healthcare software vendor ChipSoft

Z-CERT confirmed a ransomware attack on Dutch healthcare software vendor ChipSoft, whose website and some services went offline. Most hospitals retained patient portals, while 11 took ChipSoft systems offline; the attacker is unknown.

Apr 8, 2026
Cyber Attack & Data Breach · thecyberexpress.com

Minnesota National Guard to Assist Winona County After Cyberattack Disrupts Services

A cyberattack that began April 6 disrupted Winona County systems and slowed some services. Minnesota authorized National Guard support; 911 and fire response remain operational as officials investigate and restore systems.

Apr 8, 2026
Cyber Attack & Data Breach · dailydarkweb.net

Seller Claims Service Telecom Data, Including 2.8 Million User Records, Is for Sale

An unidentified seller reportedly offered data allegedly taken from Service Telecom for $2,200, including 2,835,372 user records, corporate email backups and about 16GB of source code. The claims are unconfirmed.

Apr 8, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Actor Claims to Sell Root Access to Botswana Government Health Portal Firewall

A listing attributed to Florence, linked to the Nightmare group, claims to offer root RCE and shell access to a Linux firewall protecting Botswana’s Government Health Portal for $300. The claim is not independently verified.

Apr 8, 2026
Cyber Attack & Data Breach · therecord.media

Massachusetts Hospital Diverts Ambulances After Cyber Incident

A cyber incident at Signature Healthcare and Brockton Hospital disrupted information systems, prompting ambulance diversions and canceled chemotherapy infusions. Emergency services and scheduled surgeries continued as the hospital investigated; no group claimed the act.

Apr 8, 2026
Cyber Attack & Data Breach · computable.nl

Cyberattack on ChipSoft Prompts 11 Hospitals to Take Portals Offline

Eleven hospitals reportedly took portals offline as a precaution after an attack on ChipSoft. Ransomware was reported but not confirmed by the company, which says patient data may have been accessed or stolen.

Apr 8, 2026
Cyber Attack & Data Breach · tipranks.com

Sumitomo Metal Mining Reports Ransomware Attack at Philippine Nickel Subsidiary

Sumitomo Metal Mining says unauthorized third-party access led to two servers being encrypted at its Coral Bay Nickel subsidiary. Production remains unaffected as the company investigates and restores systems.

Apr 8, 2026
Cyber Attack & Data Breach · kttc.com

Minnesota National Guard to Aid Winona County After Cyberattack

Minnesota authorized National Guard cyber protection support for Winona County after an attack reportedly impaired vital emergency and municipal services from Monday into Tuesday, April 7.

Apr 7, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

SaaS integration breach exposed tokens used in attacks on Snowflake customers

A SaaS integrator breach exposed tokens used in attacks on more than a dozen companies, mostly Snowflake customers. Snowflake locked potentially affected accounts; ShinyHunters claims data theft and extortion, while Anodot’s role remains alleged.

Apr 7, 2026
Cyber Attack & Data Breach · dailydarkweb.net

AlumnForce Data Breach Allegedly Exposes 2.7 Million Records

A report alleges that 2.7 million AlumnForce user records spanning 1987–2026 are being sold. The data reportedly covers 49 institutions and includes personal, education and employment details; the article provides no independent confirmation.

Apr 7, 2026
Cyber Attack & Data Breach · dailydarkweb.net

KyunCall Reportedly Breached, With 250GB of User Data Allegedly Exposed

KyunCall was reportedly breached, with more than 250GB of user data allegedly exposed, including passwords, contact and profile details, location and device metadata, and account activity. The article provides no independent confirmation.

Apr 7, 2026
Cyber Attack & Data Breach · dailydarkweb.net

MyLovely.AI Data Breach Allegedly Exposes Data of 106,362 Users

A report alleges a 2.1 GB database of MyLovely[.]AI user records, dated April 2026, was posted on a dark web forum. The claimed data includes generated content, prompts, profile details and subscription information.

Apr 7, 2026
Cyber Attack & Data Breach · matthewrosenquist.substack.com

Axios Compromise Used Social Engineering Against a Lead Maintainer

The article reports that a lead Axios maintainer was tricked into installing a Remote Access Trojan after attackers impersonated a company founder using AI-generated likenesses, webpages, and profiles.

Apr 7, 2026
Cyber Attack & Data Breach · emops.twse.com.tw

Company Reports April 7 Cyberattack on Its Information Systems

The company says hackers attacked its information systems on April 7, 2026. It reports activating defenses, investigating, and finding no leaked information or significant operational impact at the time of its disclosure.

Apr 7, 2026
Cyber Attack & Data Breach · darkwebinformer.com

Seller Claims 10.1 Million KBank Vietnam Credit Records for Sale

A threat actor using the handle hackboy claims to sell 10,152,989 records allegedly taken from Kbank_Vietnam_Core in February 2026, including national IDs, contact details, salaries, employer information, and CIC credit scores.

Apr 6, 2026
Cyber Attack & Data Breach · dailydarkweb.net

Threat Actor Claims Patient Data Breach at Serbian Gynecology Clinic

An unnamed threat actor allegedly posted Deminima clinic patient records publicly after an extortion attempt. The records reportedly included contact details, JMBG numbers, dates of birth, and sensitive medical diagnoses; the claims are unverified.

Apr 6, 2026
Cyber Attack & Data Breach · thecyberexpress.com

Cyberattack Disrupts Massachusetts Dispatch Systems; 911 Remains Operational

A reported cyberattack disrupted the Patriot Regional Emergency Communications Center and took non-emergency and business lines offline. Officials say 911 remains operational as they work to restore systems using mutual aid and CodeRED alerts.

Apr 6, 2026
Cyber Attack & Data Breach · thecyberexpress.com

Drift Protocol Drained of $285M in 12-Minute Exploit; Investigators Link Operation to UNC4736

A $285 million exploit drained over half of Drift Protocol’s roughly $550 million in Solana assets on April 1. Investigators linked the six-month operation to DPRK-linked UNC4736; Drift froze protocol functions and coordinated recovery efforts.

Apr 6, 2026
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