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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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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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Not All MFA is Equal, and the Differences Matter a Lot

Daniel Miessler

People are starting to get the fact that texts (SMS) are a weak form of multi-factor authentication (MFA). In that post we talked about 8 levels of password security, starting from using shared and weak passwords and going all the way up to passwordless. It completely changes how authentication is done.

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Critical GitHub Enterprise Server Authentication Bypass bug. Fix it now!

Security Affairs

GitHub addressed a vulnerability in the GitHub Enterprise Server (GHES) that could allow an attacker to bypass authentication. GitHub has rolled out security fixes to address a critical authentication bypass issue, tracked as CVE-2024-4985 (CVSS score: 10.0), in the GitHub Enterprise Server (GHES).

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QNAP fixed three flaws in its NAS devices, including an authentication bypass

Security Affairs

The three flaws fixed are: CVE-2024-21899 : an improper authentication vulnerability could allow users to compromise the security of the system via a network. CVE-2024-21900 : an injection vulnerability could allow authenticated users to execute commands via a network.

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Critical Veeam Backup Enterprise Manager authentication bypass bug

Security Affairs

A critical security vulnerability in Veeam Backup Enterprise Manager could allow threat actors to bypass authentication. A critical vulnerability, tracked as CVE-2024-29849 (CVSS score: 9.8), in Veeam Backup Enterprise Manager could allow attackers to bypass authentication.

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