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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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6 Best Authenticator Apps for 2024

Tech Republic Security

Authenticator apps provide an extra layer of security. Learn about the best authenticator apps to secure your online accounts and protect your privacy.

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What Is Passwordless Authentication?

Tech Republic Security

Learn about passwordless authentication, and explore the different types, benefits and limitations to help you decide which solution to choose.

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Microsoft deprecates Windows NTLM authentication protocol

Bleeping Computer

Microsoft has officially deprecated NTLM authentication on Windows and Windows servers, stating that developers should transition to Kerberos or Negotiation authentication to prevent problems in the future. [.]

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Beware of Pixels & Trackers on U.S. Healthcare Websites

The healthcare industry has massively adopted web tracking tools, including pixels and trackers.

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Apple to Add Manual Authentication to iMessage

Schneier on Security

Signal has had the ability to manually authenticate another account for years. iMessage is getting it : The feature is called Contact Key Verification, and it does just what its name says: it lets you add a manual verification step in an iMessage conversation to confirm that the other person is who their device says they are.

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On Risk-Based Authentication

Schneier on Security

A Study on Usability and Security Perceptions of Risk-based Authentication “: Abstract : Risk-based Authentication (RBA) is an adaptive security measure to strengthen password-based authentication. I’ve blogged about risk-based authentication before. Paper’s website.