Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

Argus Flow releases, platform announcements, press updates, and cybersecurity analyses.

German BKA successfully identified REvil ransomware group leaders linked to 130 attacks targeting German entities. A major step in combating cybercrime.
Argus Flow 06 Apr 2026

BKA Identifies REvil Leaders Behind 130 German Ransomware Attacks

The BKA has successfully identified the leaders of the notorious REvil ransomware group. This group is linked to 130 ransomware attacks targeting organizations within Germany. While the specific number of affected records and data types are not detailed in this report, the identification marks a significant step in combating cybercrime.

Germany reveals "UNKN" as Daniil Maksimovich Shchukin, 31-year-old Russian, alleged leader of REvil and GandCrab ransomware gangs. Linked to 130+ cyber sabotages.
Argus Flow 06 Apr 2026

Germany Identifies "UNKN," Leader of REvil and GandCrab Ransomware Gangs

German authorities have identified "UNKN," the elusive leader behind the prominent Russian ransomware groups GandCrab and REvil. The individual has been named as 31-year-old Russian Daniil Maksimovich Shchukin, linked to at least 130 acts of computer sabotage. This identification marks a significant achievement in global cybercrime enforcement.

The European Commission confirms a data breach stemming from a supply chain attack involving the Trivy vulnerability scanner. Learn about the incident and its cybersecurity implications.
Argus Flow 04 Apr 2026

European Commission Confirms Data Breach Linked to Trivy Supply Chain Attack

The European Commission has confirmed a data breach connected to a supply chain attack involving the vulnerability scanner Trivy. While specific details on the number of affected records and precise data types remain under investigation, the incident highlights critical software supply chain vulnerabilities.

Explore the latest cybersecurity news: a ChatGPT data leak, the discovery of a new Android rootkit, and a ransomware attack targeting a critical water facility.
Argus Flow 03 Apr 2026

ChatGPT Data Leak, Android Rootkit, and Water Facility Ransomware Attack

Recent cybersecurity reports indicate a potential data leak affecting ChatGPT users. Concurrently, a new Android rootkit has been identified, and a critical water facility reportedly suffered a ransomware attack.

T-Mobile provides new details in a filing regarding a recent data breach. Learn about the breach scope, affected data types, and T-Mobile's security measures.
Argus Flow 03 Apr 2026

T-Mobile Clarifies Latest Data Breach Details in New Filing

T-Mobile has issued a new filing to clarify details regarding a recent data breach. The incident involved unauthorized access to customer data, potentially impacting tens of millions of users. Personal information such as names, addresses, phone numbers, and dates of birth were reportedly compromised.

Nacogdoches Memorial Hospital experienced a data breach affecting 250,000 individuals. Personal and health data may be compromised. Learn about the incident and protective steps.
Argus Flow 03 Apr 2026

Nacogdoches Memorial Hospital Data Breach Affects 250,000 Patients

Nacogdoches Memorial Hospital recently announced a data breach impacting approximately 250,000 individuals. The incident involved unauthorized access to patient data, potentially compromising sensitive personal and health information. The hospital is taking steps to address the breach and support affected individuals.

A critical vulnerability was found in Claude's code shortly after its source was leaked. This security flaw poses significant risks to user data and system integrity. Learn more about the potential impact and mitigation strategies.
Argus Flow 03 Apr 2026

Claude Code Vulnerability Discovered After Source Leak

A critical vulnerability has been identified in Claude's code, following a recent source code leak. This flaw poses significant security risks, potentially impacting user data and system integrity. Cybersecurity experts are urging immediate action to mitigate the threat.

Hackers breached 766 Next.js hosts using CVE-2025-55182, stealing credentials. Urgent security measures recommended for affected organizations.
Argus Flow 03 Apr 2026

Hackers Exploit CVE-2025-55182 to Breach 766 Next.js Hosts, Steal Credentials

Cyber attackers have exploited the CVE-2025-55182 vulnerability to breach 766 Next.js hosts. This breach resulted in the theft of sensitive credentials from the affected servers.

Toy giant Hasbro confirms a cyberattack affecting its systems. Investigation ongoing to determine data compromise and impact on customers and employees. Stay informed.
Argus Flow 01 Apr 2026

Hasbro Confirms Cyberattack and Data Incident

Toy manufacturing giant Hasbro has confirmed it was recently hit by a cyberattack. While the full scope is still under investigation, such incidents often involve unauthorized access to systems, potentially compromising customer and employee data.

Popular Axios NPM package compromised in a North Korean supply chain attack. Developers and applications using Axios are at risk. Learn the impact and mitigation steps.
Argus Flow 01 Apr 2026

Axios NPM Package Compromised in North Korean Supply Chain Attack

The popular Axios NPM package has reportedly been breached in a sophisticated supply chain attack attributed to North Korean state-sponsored actors. While specific details on affected records and stolen data are still emerging, the compromise poses a significant risk to developers and applications relying on the package.

Anthropic confirms Claude AI source code inadvertently leaked due to an npm packaging error. This incident exposed proprietary code, but no user data was compromised. Learn more about the implications.
Argus Flow 01 Apr 2026

Claude AI Source Code Leaked Due to npm Packaging Error

Anthropic's Claude AI source code has been inadvertently exposed through an npm packaging error, the company confirmed. This incident involved the accidental publication of internal code, potentially affecting the proprietary intellectual property of the AI model. No user data appears to have been directly compromised in this packaging oversight.

Stolen login credentials are the critical common denominator behind modern cyberattacks, empowering ransomware gangs and nation-state actors alike. Learn how to protect your accounts.
Argus Flow 31 Mar 2026

Stolen Login Credentials Powering Global Cyberattacks

Compromised login credentials are a primary enabler for a wide spectrum of cyberattacks, from financially motivated ransomware campaigns to sophisticated nation-state operations. This ongoing threat underscores the critical need for enhanced authentication and robust security measures across all sectors.