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Failures in Twitter’s Two-Factor Authentication System

Schneier on Security

Twitter is having intermittent problems with its two-factor authentication system: Not all users are having problems receiving SMS authentication codes, and those who rely on an authenticator app or physical authentication token to secure their Twitter account may not have reason to test the mechanism.

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DeepSeek database exposed highly sensitive information

Security Affairs

. “This database contained a significant volume of chat history, backend data and sensitive information, including log streams, API Secrets, and operational details.” The experts used ClickHouses HTTP interface and accessed the /play path to execute arbitrary SQL queriesvia the browser. ” concludes the report.

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Authentication bypass CVE-2025-22230 impacts VMware Windows Tools

Security Affairs

Broadcom addressed a high-severity authentication bypass vulnerability, tracked as CVE-2025-22230, in VMware Tools for Windows. Broadcom released security updates to address a high-severity authentication bypass vulnerability, tracked as CVE-2025-22230 (CVSS score 9.8), impacting VMware Tools for Windows. Is this a VM Escape?

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Broadcom fixed information disclosure flaws in VMware Aria Operations

Security Affairs

is an information disclosure vulnerability in VMware Aria Operations for Logs.A is an information disclosure vulnerability. is an authentication bypass vulnerability in VMware Aria Operations for Logs. CVE-2025-22222 (CVSS score: 7.7) The vulnerability CVE-2023-34051 (CVSS score 8.1)

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The Consumer Authentication Strength Maturity Model (CASMM)

Daniel Miessler

This post is an attempt to create an easy-to-use security model for the average internet user. Basically, how secure is someone’s current behavior with respect to passwords and authentication, and how can they improve? People like moving up rankings, so let’s use that! How to use this model.

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CASMM (The Consumer Authentication Strength Maturity Model)

Daniel Miessler

This post is an attempt to create an easy-to-use security model for the average internet user. Basically, how secure is someone’s current behavior with respect to passwords and authentication, and what can they do to improve? People like moving up rankings, so let’s use that! How to use this model.

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Change Healthcare Breach Hits 100M Americans

Krebs on Security

Change Healthcare says it has notified approximately 100 million Americans that their personal, financial and healthcare records may have been stolen in a February 2024 ransomware attack that caused the largest ever known data breach of protected health information. Image: Tamer Tuncay, Shutterstock.com. Last month, Sens. Mark Warner (D-Va.)