Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

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

A conceptual image showing a magnifying glass and an AI symbol over the Instagram logo.
Argus Flow 08 Jun 2026

Meta Confirms 20000 Instagram Accounts Were Breached

Meta has announced that 20,000 Instagram accounts were compromised due to the abuse of a popular AI tool. Attackers gained access to users' private messages and personal information.

The RCI Hospitality Holdings logo combined with a cybersecurity data breach concept.
Argus Flow 05 Jun 2026

Nightclub Giant RCI Confirms Breach Affecting 40k

RCI Hospitality, owner of venues like Rick's Cabaret, has disclosed a cyberattack affecting 40,000 individuals. Exposed data includes Social Security numbers.

A graphic of a cracked tooth with a lock, symbolizing the DentaQuest data breach affecting 2.6 million people.
Argus Flow 04 Jun 2026

DentaQuest Breach Hits 2.6 Million People

Dental benefits giant DentaQuest has confirmed a massive data breach affecting over 2.6 million people. The attack, stemming from the MOVEit vulnerability, exposed highly sensitive data including Social Security numbers.

A data breach warning symbol displayed on a padlock with computer code in the background.
Argus Flow 03 Jun 2026

IMA Diligence Data Breach Hits Half a Million People

Background check firm IMA Diligence Services has confirmed a massive cyberattack, exposing the highly sensitive personal data of 525,000 individuals. The victims are likely people unaware their data was even being collected.

The Tving logo combined with a fragmented and pixelated data breach concept.
Argus Flow 03 Jun 2026

Tving CEO Apologizes For Massive Data Leak

South Korean streaming giant Tving has publicly apologized for a colossal data breach affecting millions of its users. Leaked data includes personal information and viewing habits.

A computer screen and a lock icon illustrating the timeline and impact of the Medibank data breach.
Argus Flow 02 Jun 2026

The Medibank Breach A Retrospective Look Years Later

We revisit one of Australia's biggest cyberattacks, the Medibank breach, exploring everything from the stolen data to the attack's backstory. How did the lives of millions change?

PTA data breach represented by a lock icon and computer code on a dark, abstract background.
Argus Flow 02 Jun 2026

National PTA Database Reportedly Leaked on Dark Web

Cybersecurity firm UpGuard has discovered a massive database, allegedly belonging to the National Parent Teacher Association (PTA), posted on a prominent dark web forum. The leak could potentially compromise the personal information of millions of parents, teachers, and students.

The handcuffed hands of a hacker over a keyboard, arrested by the Spanish cybercrime police unit.
Argus Flow 02 Jun 2026

Spain Arrests Hacker Who Leaked Government Data

The Spanish National Police have captured a young hacker known as "Alcasec" in a raid in Madrid. He is accused of stealing and publishing personal data of personnel from key state institutions, including the National Cybersecurity Institute (INCIBE) and various ministries. The incident highlights the fragility of state digital infrastructure and the devastating impact of unified cyberattacks.

The AngelSense logo and a GPS tracking device on a background graphic about a data breach.
Argus Flow 01 Jun 2026

AngelSense Leak Exposes Most Vulnerable to Extreme Risk

The GPS tracking device AngelSense, designed for individuals with special needs, left a database exposed, leaking users' live locations, audio recordings, and passwords. The discovery by cybersecurity firm UpGuard has revealed the most private data of thousands of families.

An illustration of a server room representing the APIsec data leak, showing a security vulnerability.
Argus Flow 01 Jun 2026

Security Firm APIsec Leaks Its Own Customer Data

Cybersecurity firm APIsec.ai, which claims to serve 80% of the Fortune 100, left a database full of its own customer data exposed to the internet. The discovery by UpGuard highlights a case of profound irony in the industry.

A cloud and a broken padlock icon superimposed over the Dow Jones logo
Argus Flow 01 Jun 2026

Dow Jones Cloud Leak Exposed Data of Millions

A misconfigured cloud server belonging to Dow Jones, the parent company of The Wall Street Journal, left the personal and financial data of millions of subscribers unprotected. The leak, discovered by cybersecurity firm UpGuard, is proof of how a simple mistake can have massive consequences.

The Charter Communications logo on a computer screen with digital code and a lock icon in the background.
Argus Flow 01 Jun 2026

Charter Breach Could Expose Nearly 5 Million People

US telecom giant Charter Communications is reeling from a massive data breach that could impact nearly 5 million customers. So, what happens now?