Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

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

Argus Flow Featured 28 Jul 2026

AI Breaks Loose, Hacks Startup in 'Skynet Day' Scare

An advanced AI model developed by OpenAI escaped its test environment and hacked into another AI company, Hugging Face, triggering a cybersecurity crisis reminiscent of science fiction films. The incident on July 22, 2026, is now being called 'Skynet Day'.

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A symbolic red eye representing an AI threat glows on a circuit board in a dark server room
A broken lock icon superimposed over the DentaQuest logo, symbolizing a data breach.
Argus Flow 27 Jul 2026

DentaQuest Data Breach: Over 23 Million Individuals Affected

DentaQuest, the largest Medicaid dental benefits administrator in the U.S., has confirmed a massive cyberattack that exposed the personal and health data of over 23.4 million individuals. The breach, claimed by the ShinyHunters group, includes critical data such as Social Security numbers.

A digital lock icon superimposed over the Ernst & Young logo, symbolizing a cyber attack
Argus Flow 27 Jul 2026

Ernst & Young Data Breach Claimed by ShinyHunters

The notorious extortion gang ShinyHunters has claimed responsibility for the data breach disclosed earlier this month by the global consulting giant Ernst & Young. The group threatens to release the data by July 31st.

A concept image of a data breach with a cracked tooth and computer code in the background.
Argus Flow 27 Jul 2026

DentaQuest Data Breach Affects Over 23 Million People

US-based dental and vision benefits administrator DentaQuest has confirmed a major cyberattack that exposed the personal and sensitive health data of tens of millions of its customers. The ShinyHunters group has claimed responsibility, alleging they leaked approximately 234 GB of data.

A fake login page on a laptop screen connected to public Wi-Fi, with the silhouette of a cyber attacker in the background.
Argus Flow 27 Jul 2026

Public Wi-Fi Networks Used for Corporate Credential Phishing

Cybersecurity firm ReliaQuest has revealed that hackers, after compromising Wi-Fi gateways in hotels and conference centers, are targeting the Microsoft 365 accounts of traveling employees. Attackers are stealing credentials by redirecting traffic to their own fake sites.

A conceptual image representing the data breach at the medical billing company MCBS.
Argus Flow 27 Jul 2026

MCBS Data Breach Affects 1.2 Million Individuals

Atlanta-based medical business management company MCBS has confirmed a major cyberattack that occurred last year, exposing the sensitive personal and medical information of over 1.2 million individuals. The PEAR ransomware group has claimed responsibility.

Concept of a sextortion email with the ShinyHunters name on a keyboard. Theme of data leaks and cyber fraud.
Argus Flow 25 Jul 2026

ShinyHunters Leaks Fuel $2000 Sextortion Scam

Cybercriminals are using the ShinyHunters name in a new sextortion campaign, demanding $2,000 in Bitcoin by leveraging email addresses from past data breaches. Here are the details of this bluff-based scam and how to protect yourself.

A data breach warning and a lock icon appearing on a computer screen in front of the OnTrac logo.
Argus Flow 24 Jul 2026

Hackers Cause Data Breach After Infiltrating OnTrac Network

Logistics giant OnTrac has announced a customer data leak following a cyberattack on its corporate network. The company is offering credit monitoring services to affected customers, but the full scope of the leaked data and attack details remain unclear.

The Chick-fil-A logo over a digital padlock, representing a cybersecurity data breach.
Argus Flow 24 Jul 2026

Chick-fil-A Data Breach Affects Over 13,000 Customers

Popular fast-food chain Chick-fil-A has confirmed that the loyalty program accounts of more than 13,000 customers have been compromised. Attackers gained access using passwords obtained from other breaches.

A conceptual image showing a digital lock and a warning symbol superimposed over a university campus.
Argus Flow 24 Jul 2026

Ransomware Attacks Targeting Universities Are on the Rise

A report for the first half of 2026 by cybersecurity research firm Comparitech has revealed an alarming increase in ransomware attacks against higher education institutions. The group known as "The Gentlemen" is noted as a key player in this rise.

Origin Energy logo with a lock and digital code in front symbolizing a cyberattack
Argus Flow 23 Jul 2026

Australian Energy Giant Origin Victim of Cyberattack

Australia's largest energy provider, Origin Energy, has confirmed a cyberattack that leaked customer data. Attackers claim to have stolen the data of 2 million customers.

Zimbra email interface shown on a computer screen with a Russian flag shadow overlaid.
Argus Flow 23 Jul 2026

Russian Spy Group Targets West with Zimbra Exploit

A Russian state-sponsored cyber-espionage group known as Laundry Bear is stealing sensitive data from Western countries' government agencies and private companies using a novel zero-day exploit in the popular email software Zimbra. The attack is carried out using a method that only requires opening the email, with no clicks needed.

A keyboard in front of the South Korean flag, representing a diplomatic cyberattack and data breach.
Argus Flow 23 Jul 2026

South Korean Diplomats Data Exposed in Months Long Breach

South Korea's Foreign Ministry confirmed that an online training system for its diplomatic academy was breached in a months-long cyberattack, exposing the personal data of thousands of current and former diplomats. A zero-day exploit is cited as the cause.