Publications & Analyses
Argus Flow releases, platform announcements, press updates, and cybersecurity analyses.
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.
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Upbound Group Reports $13 Million Loss From Data Breach Fraud
Texas-based consumer finance company Upbound Group announced that a cyberattack led to the theft of customer data, which was then used to commit $13 million in fraudulent contract fraud. The company's Acima brand was targeted.