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Cyber Attack & Data Breach

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

2260 articles

Cyber Attack & Data Breach · radioh.no

Fitjar Municipality Probes Possible Cyber Intrusion After Water Production Halt

Fitjar Municipality is investigating a possible intrusion at its water treatment plant after production temporarily stopped on April 24. The cause and any effect on water quality remain unknown; national authorities have been notified.

May 8, 2026
Cyber Attack & Data Breach · roth-industries.com

Roth Group Says Servers Were Encrypted in May Cyberattack

Roth Group says its servers at German sites were encrypted on 8 May 2026; its core SAP system was unaffected. Key systems and communications are operational again, while investigations continue.

May 8, 2026
Cyber Attack & Data Breach · emops.twse.com.tw

Company Reports Unauthorized Access and Server Data Encryption

The company says its security unit found that unidentified hackers accessed its hosts and encrypted some server data. It engaged external experts and reports no material financial or operational impact.

May 7, 2026
Cyber Attack & Data Breach · alcabodelacalle.es

Possible Cyberattack Disrupts Valdemoro Municipal Servers and Services

Valdemoro reported a network incident that may involve a cyberattack, disrupting some municipal services. The town disconnected its servers as a precaution; access to personal data has not been confirmed.

May 6, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Taiwan Student Accused of Spoofing Rail TETRA Alarm That Halted Four Trains

A Taiwanese student was arrested after authorities said a forged TETRA “General Alarm” halted four high-speed rail trains for 48 minutes. The suspect’s lawyer says the transmission was accidental.

May 5, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

ShinyHunters Claims Theft of 280 Million Records in Instructure Breach

ShinyHunters claims it stole 280 million records from 8,809 education organizations through Canvas export features. Instructure is investigating; the claimed scale and affected institutions have not been independently verified.

May 5, 2026
Cyber Attack & Data Breach · dysruptionhub.com

Foxconn Confirms Cyberattack at North American Factories; Wisconsin Link Unclear

Foxconn confirmed a cyberattack affected some North American factories, which are resuming production, but did not identify them or link the incident to Wisconsin. Nitrogen’s claim of stealing 8 TB remains unverified.

May 5, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Vimeo Breach Exposed Data of 119,200 People, Have I Been Pwned Reports

Vimeo confirmed unauthorized data access following an Anodot breach. Have I Been Pwned reported that 119,200 people’s email addresses and some names were exposed; ShinyHunters claimed the theft and posted a 106GB archive.

May 5, 2026
Cyber Attack & Data Breach · opensourcemalware.com

Malicious Pull Request Targeted Antrea’s Jenkins CI; Attacker Claimed Root Access

A malicious Antrea pull request triggered Jenkins tests and included payloads to probe the controller and collect credentials. Maintainers closed it as an exfiltration attempt; the attacker claimed root access, which the article does not independently confirm.

May 5, 2026
Cyber Attack & Data Breach · therecord.media

World Leaks Claims Mediaworks Data Theft; Company Confirms Incident

World Leaks claims it stole and published nearly 8.5 TB of Mediaworks data. The company confirmed an incident and launched an investigation, but the outlet could not independently verify the leaked files or a reported memo.

May 5, 2026
Cyber Attack & Data Breach · borncity.com

4SELLERS Reports Ransomware Attack, Says Systems Are Restored

4SELLERS says a ransomware attack on April 30 impaired parts of its systems. The company reports services are restored, while an investigation into possible data impact continues; it says there is no current indication that sensitive data was compromised.

May 5, 2026
Cyber Attack & Data Breach · 24heures.ch

Romand Radiology Network Reports New Intrusion, Delays Exams

The Romand Radiology Network reports a new intrusion, with some exams needing to be rescheduled or moved. It is not yet known whether patient data was stolen.

May 5, 2026
Cyber Attack & Data Breach · letelegramme.fr

Quiberon Municipality Reports Cyberattack Affecting IT Systems

The City of Quiberon said a cyberattack affected its IT system on Sunday, May 3. It warned that some municipal services may be disrupted or difficult to reach while teams work to maintain public services.

May 5, 2026
Cyber Attack & Data Breach · gov.pl

Polish Hospital Reports No Evidence of Data Theft After 2023 Ransomware Attack

A Polish hospital says investigations found no evidence that patient or staff data were exfiltrated after a March 2023 ransomware incident encrypted archived records. Theft remains unconfirmed; the affected server was disabled.

May 5, 2026
Cyber Attack & Data Breach · sandiegouniontribune.com

San Diego Community College District Battles Cyberattack, Keeps Some Systems Offline

The San Diego Community College District says a cyberattack that began Saturday took some internet, email, websites and registration platforms offline. The district says campuses remain open and it has detected no breach or ransom demand.

May 4, 2026
Cyber Attack & Data Breach · therecord.media

Canvas Operator Says Hackers Accessed User Information After Cyber Incident

Infrastructure said hackers accessed names, email addresses, student IDs and messages at some institutions, disrupting customer tools during containment. ShinyHunters claimed it stole 3.6 TB from more than 9,000 schools; that claim was not confirmed.

May 4, 2026
Cyber Attack & Data Breach · bleepingcomputer.com

Trellix Discloses Unauthorized Access to Source Code Repository

Trellix disclosed unauthorized access to part of its source code repository and is investigating with outside forensic experts and law enforcement. The company says it has found no evidence that the code was altered or exploited.

May 4, 2026
Cyber Attack & Data Breach · securityweek.com

Trellix Says Part of Its Source Code Repository Was Breached

Trellix says part of its source code repository was breached. It is investigating with forensic experts and has notified law enforcement; it says it has found no evidence that its release process was affected or source code exploited.

May 4, 2026
Cyber Attack & Data Breach · securityweek.com

DigiCert Revokes 60 Code-Signing Certificates After Support Portal Attack

DigiCert said attackers used malware and its internal support portal to obtain EV Code Signing certificates. By April 17, it had revoked 60 certificates associated with the incident and canceled pending orders.

May 4, 2026
Cyber Attack & Data Breach · claimdepot.com

Hematology Oncology Consultants Reports Breach Exposing Personal and Medical Information

Hematology Oncology Consultants said a 2025 ransomware attack compromised files containing personal and medical information, including Social Security numbers. Rhysida claimed the attack; the practice notified affected people in April 2026.

May 4, 2026
Cyber Attack & Data Breach · cyberdaily.au

New Zealand Contractor McKay Confirms January Cyberattack

McKay confirmed unauthorized access to one internal device in January. The New Zealand contractor says it contained the access, notified affected people and authorities, and is strengthening security; Mnt6 later listed the firm on its leak site.

May 4, 2026
Cyber Attack & Data Breach · tipranks.com

ALS Reports Unauthorized Access, Restores Most Operations

ALS reported unauthorized third-party access to some IT systems and temporary disruption to parts of its operations. It says most operations have been restored while remediation and investigation continue; potential data impacts are not yet clear.

May 4, 2026
Cyber Attack & Data Breach · thehackernews.com

Trellix Reports Unauthorized Access to Part of Its Source Code Repository

Trellix says unauthorized access affected part of its source code repository. It has engaged forensic experts and notified law enforcement, but reports no evidence that source code was released, distributed, or exploited.

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

French Authorities Detain 15-Year-Old Suspected in ANTS Data Breach

France detained a 15-year-old suspected of using “breach3d” to sell data from the confirmed ANTS breach. The agency reported 11.7 million affected accounts; exposed fields included contact and birth-date information. The suspect has not been formally charged.

May 1, 2026
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