Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

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

The Trigona ransomware group is using a custom command-line tool in its attacks to steal data faster from victims. Learn about this new method and how to protect against it.
Argus Flow 23 Apr 2026

Trigona ransomware boosts data theft with new custom tool

The Trigona ransomware group is now using a custom command-line tool to steal data from its victims more quickly and efficiently. This new tactic enhances the effectiveness of the attackers' double extortion model.

South Korea's regulator has fined the matchmaking service Duo $830,000 for failing to adequately protect user data, leading to a significant breach.
Argus Flow 23 Apr 2026

Duo Fined $830,000 Over User Data Breach

South Korean matchmaking service Duo has been hit with an $830,000 fine by the country's regulator for failing to protect user data. The penalty was imposed due to inadequate security measures leading to a data breach.

Cosmetics giant Rituals confirmed a data breach in its My Rituals membership program. Attackers stole the personal information of customers.
Argus Flow 23 Apr 2026

Rituals Cosmetics Discloses Customer Data Breach

Dutch cosmetics giant Rituals has announced a data breach affecting its "My Rituals" membership database. An undisclosed number of customers had their personal information stolen.

Luxury cosmetics brand Rituals confirmed a data breach affecting customer PII like names, emails, and addresses. Find out what happened and what steps to take now.
Argus Flow 23 Apr 2026

Luxury Cosmetics Giant Rituals Discloses Data Breach

The luxury cosmetics brand Rituals has announced a significant data breach. The incident exposed customer personal information, although the company states that financial data was not affected.

A hacktivist holding the sensitive "BlueLeaks 2.0" dataset has decided not to sell the data. The ultimate fate of the information remains uncertain.
Argus Flow 23 Apr 2026

BlueLeaks 2.0 Dataset Will Not Be Sold by Hacktivist

A hacktivist in possession of a sensitive dataset named "BlueLeaks 2.0" has decided not to sell the information. This sudden reversal has raised questions in the cybersecurity community about the dataset's fate.

A deep dive into the 2022 Medibank data breach. Learn how 9.7 million customers' sensitive health and personal data were stolen and what steps to take.
Argus Flow 22 Apr 2026

Medibank Data Breach A Detailed Incident Review

Australian health insurer Medibank suffered a major ransomware attack, exposing the data of 9.7 million customers. The breach included highly sensitive personal and medical claims information.

UpGuard discovered a database allegedly belonging to the National Parent Teacher Association (PTA) on a dark web forum, potentially exposing member data.
Argus Flow 22 Apr 2026

National PTA Database Allegedly Leaked on Dark Web

Cybersecurity firm UpGuard has discovered a database allegedly belonging to the National Parent Teacher Association (PTA) posted for sale on a prominent dark web forum.

The database of AngelSense, a GPS tracker for individuals with special needs, was leaked. The unprotected server exposed sensitive GPS and artificial intelligence data.
Argus Flow 22 Apr 2026

AngelSense GPS Tracker Data Leak Exposes User Info

AngelSense, a company that produces GPS trackers for individuals with special needs, left a database containing sensitive user data unprotected. Cybersecurity firm UpGuard discovered and secured the database, which held GPS and AI data.

Cybersecurity firm APIsec.ai, which serves Fortune 100 companies, leaked customer data via an unprotected database discovered by UpGuard.
Argus Flow 22 Apr 2026

Security Firm APIsec ai Exposes Customer Data

Cybersecurity company APIsec.ai has exposed customer data due to a misconfigured Elasticsearch database. The leak, discovered by UpGuard, contains data from the firm which claims to serve 80% of Fortune 100 companies.

A massive cloud leak at Dow Jones, parent of WSJ, exposed sensitive data of millions of customers. Learn about the leaked data and how to protect yourself.
Argus Flow 22 Apr 2026

Dow Jones Cloud Leak Exposes Customer Data

Dow Jones, parent company of The Wall Street Journal, has exposed sensitive data belonging to millions of its customers. The massive leak was reportedly caused by a misconfigured cloud server.

UpGuard discovered a data leak of 198 million US voter records from a misconfigured GOP analytics firm database. Personal data is compromised.
Argus Flow 22 Apr 2026

US Voter Data Leak Exposes 198 Million Records

UpGuard has discovered a misconfigured database belonging to a GOP analytics firm, exposing data for approximately 198 million American voters. This significant data leak includes sensitive information related to voter profiles.

Over one million individuals' personal data, related to higher education interests, was exposed online through a marketing network. Learn about the risks and what to do.
Argus Flow 22 Apr 2026

Personal Data Leak Higher Education Marketing

Over one million individuals' personal information has been exposed online through a marketing network. This network targeted internet users interested in higher education, leading to a significant data leak.