Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

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

Denver's crosswalk signs were hacked to display anti-Trump messages. Public infrastructure systems compromised, but no personal data was stolen in this cyber attack.
Argus Flow 20 Apr 2026

Denver Crosswalk Signs Hacked to Broadcast Anti-Trump Messages

Traffic light crosswalk signs in Denver were compromised to display unauthorized anti-Trump messages. This incident involved the manipulation of public infrastructure systems, though no personal user data was reported to be stolen. Authorities are investigating the security vulnerability that allowed this intrusion.

Toy giant Hasbro reports a cyberattack disrupting operations. The company is investigating the full scope and potential data compromise of sensitive files.
Argus Flow 20 Apr 2026

Hasbro Hit by Cyberattack, Investigates Possible Data Breach

Toy giant Hasbro recently reported a cyberattack that disrupted some company operations. The firm is currently investigating the full extent of the incident, including whether any files or sensitive data were compromised. The number of affected records and specific data types have not yet been disclosed.

Eurail data breach in Dec 2025 compromised names and passport numbers of 308,777 travelers, raising concerns about identity theft.
Argus Flow 20 Apr 2026

Eurail Data Breach Affects Over 300,000 Travelers

In December 2025, Eurail suffered a data breach, leading to the theft of names and passport numbers belonging to 308,777 individuals. The company is now notifying affected travelers about the exposure of their personal information.

ChipSoft, a Dutch healthcare IT firm, suffered a ransomware attack, taking EHR services offline in hospitals across the Netherlands and Belgium. Read more.
Argus Flow 20 Apr 2026

ChipSoft Ransomware Attack Knocks EHR Services Offline in Netherlands, Belgium

Dutch healthcare IT firm ChipSoft has suffered a ransomware attack, causing its HiX platform and other digital services to go offline. This incident severely disrupted access to Electronic Health Records for hospitals and patients across the Netherlands and Belgium. The extent of data exfiltration, if any, remains unconfirmed.

Cookeville Regional Medical Center's ransomware attack exposed data for 337,917 individuals. The Rhysida group stole 500GB of sensitive patient information.
Argus Flow 20 Apr 2026

Cookeville Regional Medical Center Data Breach Affects Over 337,000 People

Cookeville Regional Medical Center in Tennessee suffered a ransomware attack, exposing data of 337,917 individuals. The Rhysida group stole over 500GB of sensitive information from the hospital's systems.

Hims telehealth platform experienced a data breach, exposing patients' personal health information (PHI). Risks and preventive measures.
Argus Flow 20 Apr 2026

Hims Data Breach Exposes Sensitive Patient Health Information

Telehealth brand Hims has been compromised by threat actors. Patients' personal health details may now be exposed, posing significant risks to affected individuals.

A critical vulnerability in Cursor AI exposed developer devices, risking access to source code, API keys, and sensitive data. Learn about the impact and mitigation.
Argus Flow 20 Apr 2026

Cursor AI Vulnerability Exposed Developer Devices

A newly discovered vulnerability in Cursor AI exposed the devices of many developers. This critical flaw could allow unauthorized access to sensitive data including source code, API keys, and internal credentials. The full extent of data compromise and the number of affected individuals are still being assessed.

Three recently disclosed Windows zero-day vulnerabilities are being actively exploited by attackers to gain SYSTEM or elevated administrator permissions.
Argus Flow 20 Apr 2026

Windows Zero-Days Exploited in Active Attacks

Three recently disclosed Windows security vulnerabilities are now actively being exploited by threat actors. These attacks aim to gain SYSTEM or elevated administrator permissions on targeted systems. Urgent security measures are advised for all Windows users.

Kamerin Stokes was sentenced to 30 months for selling access to tens of thousands of hacked DraftKings accounts. Emphasizes legal consequences of cybercrime.
Argus Flow 20 Apr 2026

Man Sentenced to 30 Months for Selling Hacked DraftKings Accounts

Kamerin Stokes of Memphis, Tennessee, was sentenced to 30 months in prison for selling access to tens of thousands of hacked DraftKings accounts. This incident highlights the severe security risks associated with compromised user credentials and unauthorized account access.

Payouts King ransomware group adopts QEMU virtual machines & reverse SSH backdoors to bypass endpoint security, running hidden VMs to encrypt data.
Argus Flow 20 Apr 2026

Payouts King Ransomware Uses QEMU VMs to Bypass Security

The Payouts King ransomware group has adopted a novel technique, leveraging QEMU virtual machines to evade endpoint security measures. This method involves creating hidden virtual environments on compromised systems, enabling the ransomware to execute undetected and encrypt data.

Cloud development platform Vercel confirms a security breach. Hackers claim to be selling stolen user data. Users advised to change passwords.
Argus Flow 20 Apr 2026

Vercel Confirms Data Breach as Hackers Attempt to Sell Stolen Information

Cloud development platform Vercel has confirmed a security incident after threat actors claimed to have breached its systems. Hackers are reportedly attempting to sell stolen user data online, potentially affecting account credentials and related information.

A judge has allowed a state auditor's investigation into a Blue Cross Blue Shield data breach. Sensitive health and personal data are potentially affected.
Argus Flow 20 Apr 2026

Blue Cross Blue Shield Data Breach Investigation Allowed to Proceed

A judge has ruled that a state auditor's investigation into a data breach impacting Blue Cross Blue Shield members can move forward. The breach potentially exposed sensitive health and personal information, though the exact number of affected individuals and the full scope of the compromise remain under investigation.