Latest cybersecurity reporting from selected sources.

CISA Lauded for Fast Response, Transparency and Detailing Security RecommendationsSecure developers' use of public code repositories, monitor them for secrets and if they get exposed, have a well-tested incident response playbook at the ready. The U.S. Cybersecurity and Infrastructure Security Agency has shared these and other lessons learned after suffering a data leak.

Researchers Urge Organizations to Rotate Credentials and Review Audit LogsThreat actor 888 claims it stole Accenture source code and cloud credentials, prompting researchers to warn that any exposed Azure tokens, encryption keys or DevOps secrets could enable follow-on intrusions and downstream supply-chain attacks even as Accenture says operations remain unaffected.

Researchers tested 444 AI chatbot apps for iPhone and found that 282 of them, nearly two-thirds, exposed paid AI access through their network traffic

A simple website flaw exposed members, political profiles, login tokens, and dating data from Peter Thiel ‘s secretive Dialog network. Dialog, a private invitation-only organization cofounded in 2006 by billionaire tech investor Peter Thiel, has spent two decades refusing to disclose its membership. That position became harder to maintain last week when Swiss hacktivist maia […]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) urged Fortinet customers to secure their devices after nearly 74,000 firewall and VPN credentials were exposed in a data leak dubbed "FortiBleed." [...]

24 Billion Records Left Open Online: Passwords, Emails, and Everything Else Exposed database with 24 Billion records revealed stolen credentials from infostealers, Telegram channels, and breach collections, risking account takeovers. Cybernews researchers found an exposed Elasticsearch cluster on June 12th containing 24 billion records and more than 8.3 terabytes of data. They triple-checked the numbers. […]

A newly discovered data leak dubbed "FortiBleed" has exposed what appears to be a collection of Fortinet and FortiGate VPN credentials for 73,932 firewall URLs at organizations worldwide. [...]

Pro-Iran group Handala breached Cal Water via an exposed GPS tool, reaching billing data for 2M customers. 5GB leaked. On June 11, 2026, the Iran-linked threat group Handala posted a claim on its blog that it had compromised California Water Service, known as Cal Water, and published a 5GB proof-of-concept data dump to back it […]

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 […]

Google has accidentally leaked details about an unfixed issue in Chromium that keeps JavaScript running in the background even when the browser is closed, allowing remote code execution on the device. [...]

Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. Security experts said the public archive included files detailing how CISA builds, tests and deploys software internally, and that it represents one of the most egregious government data leaks in recent history.

Exposed UIs, weak authentication, and risky defaults could turn cloud-native AI apps on Kubernetes into potential targets by threat actors. Learn how exploitable misconfigurations lead to RCE and data leaks. The post When configuration becomes a vulnerability: Exploitable misconfigurations in AI apps appeared first on Microsoft Security Blog.

When 0APT and KryBit attacked each other, they exposed infrastructure and operational data, giving defenders rare insight into ransomware operations.

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.

A lesson in how not to respond to vulnerability reports UPDATED Vibe-coding platform Lovable is pooh-poohing a researcher’s finding that anyone could open a free account on the service and read other users' sensitive info, including credentials, chat history, and source code. However, the company’s story keeps changing: First it attributed the publicly exposed info to "intentional behavior" and "unclear documentation," then threw bug-bounty service HackerOne under the bus.…

Also, Eurail Breach, ChipSoft Hospital Disruptions, W3LL Phishing TakedownThis week, a "Raccoon"-linked actor hit help desks, Eurail exposed 308K users, Fortinet patched critical flaws, Pushpaganda scams, major data leaks hit healthcare and China, ransomware and phishing ops surged, and multiple breaches impacted firms and hospitals.

Publisher claims misconfigured Salesforce-hosted page leaked data Textbook giant McGraw Hill has landed on a ransomware crew's leak site after an alleged Salesforce-linked misconfiguration spilled 13.5 million records into the wild.…

Anthropic's Mythos Leak Points to Pattern of Failures, Sloppy Practices at AI LabsAnthropic accidentally exposed its most powerful unreleased AI model to compromise, and days later shipped its flagship coding tool's full source code without meaning to. Meta, Microsoft and OpenAI have each had comparable moments. Questions linger about the integrity of third-party AI tools.

Anthropic on Tuesday confirmed that internal code for its popular artificial intelligence (AI) coding assistant, Claude Code, had been inadvertently released due to a human error

Anthropic says it accidentally leaked the source code for Claude Code, which is closed source, but the company says no customer data or credentials were exposed. [...]