Latest cybersecurity reporting from selected sources.

Leaked negotiations spill the tea

A U.S. government agency paid $1M to Kairos, a group focused on data theft and extortion rather than ransomware, Ransom-ISAC reports. A new case study from Ransom-ISAC reconstructs a complete data-extortion incident involving a U.S. government body and a threat actor called Kairos, using a leaked negotiation transcript and blockchain tracing of the ransom payment. […]

A U.S. government entity paid about $1 million to keep stolen files from being leaked, according to a new case study by Rakesh Krishnan for Ransom-ISAC, built on a leaked negotiation chat and the blockchain trail the payment left

FulcrumSec leaked data stolen from Novo Nordisk, claiming to have exfiltrated 1.3TB, including clinical records and AI research assets. On June 15, 2026, a data-theft extortion group calling itself FulcrumSec began leaking files from Novo Nordisk, the Danish maker of Ozempic and Wegovy, after the company refused a $25 million ransom demand. The attackers claimed […]

ShinyHunters leaked 234 GB of data allegedly stolen from DentaQuest after failed negotiations, potentially impacting 2.6 million people. The ShinyHunters extortion group has published a 234 GB archive of data allegedly stolen from dental benefits administrator DentaQuest. The cybercrime gang added the company to its Tor data leak site in May, and the data was […]

Cybercrime group ShinyHunters leaked data allegedly stolen from Charter Communications, exposing millions of customer records after a failed extortion attempt. The ShinyHunters extortion group has published data allegedly stolen from Charter Communications after the company apparently refused to pay a ransom. Charter Communications is one of the largest telecommunications companies in the United States. It […]

U.S. telecommunications giant Charter Communications has confirmed it suffered a data breach after the ShinyHunters extortion group threatened to leak stolen data unless a ransom is paid. [...]

A 5-year study on the Ransomware Economy found that 30,515 exposed databases were hit by ransom attacks, causing massive damage despite victims never paying. Database extortion doesn’t look like the ransomware stories that usually grab headlines. There’s no slick branding, no leak-site countdown, no gang posting memes on Telegram. In most cases, there’s just a […]

'Have I Been Pwned' Founder Troy Hunt Reviews Impact on People and OrganizationsThe volume of data breaches that result in stolen personal data being leaked online has been surging, "courtesy of the ShinyHunters," and while it affects individuals, the organizations being extorted are bearing the brunt of such attacks, said Troy Hunt, founder and CEO of Have I Been Pwned.

Instructure, the edtech giant behind the widely popular Canvas learning management system (LMS), has reached an "agreement" with the ShinyHunters extortion group to prevent the data stolen in a recent breach from being leaked online. [...]

American educational technology company Instructure, the parent company of Canvas, said it reached an "agreement" with a decentralized cybercrime extortion group after it breached its network and threatened to leak stolen information from thousands of schools and universities

ShinyHunters, a prolific cybercrime group, threatened to leak data from more than 8,800 school systems. The post Instructure claims hackers returned stolen Canvas data after an extortion standoff appeared first on CyberScoop.

ShinyHunters has escalated its Canvas extortion campaign, defacing hundreds of school login pages and threatening to leak stolen data unless institutions negotiate

An ongoing data extortion attack targeting the widely-used education technology platform Canvas disrupted classes and coursework at school districts and universities across the United States today, after a cybercrime group defaced the service's login page with a ransom demand that threatened to leak data from 275 million students and faculty across nearly 9,000 educational institutions.

Prolific ShinyHunters Extortion Group Made 'Pay or Leak' Threat to VictimHome security giant ADT has suffered a data breach that appears to have exposed personally identifiable information tied to 5.5 million customers. Prolific extortionist group ShinyHunters claimed credit for the attack, saying it stole Salesforce data after socially engineering an ADT employee.

Home security giant ADT has confirmed a data breach after the ShinyHunters extortion group threatened to leak stolen data unless a ransom is paid. [...]

Also: ZachXBT Uncovers DPRK Worker Scam, Hyperbridge Hack, Coinone FineThis week, Operation Atlantic disrupts $45M phishing fraud, ZachXBT uncovers DPRK crypto worker scheme, Hyperbridge exploit, South Korea fines Coinone $3.5M, Kraken faces extortion attempt over insider data leak and American musician loses $420K in fake Ledger app.

The ShinyHunters extortion group has leaked data from 13.5 million McGraw Hill user accounts, stolen after breaching the company's Salesforce environment earlier this month. [...]

Rockstar Games has suffered a data breach linked to a recent security incident at Anodot, with the ShinyHunters extortion gang now leaking the stolen data on its data leak site. [...]

Multi-extortion ransomware relies on stolen data to pressure victims with public leaks. Penta Security explains how its D.AMO platform keeps exfiltrated files encrypted and useless to attackers. [...]