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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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A large botnet targets M365 accounts with password spraying attacks

Security Affairs

A botnet of 130,000+ devices is attacking Microsoft 365 accounts via password-spraying, bypassing MFA by exploiting basic authentication. SecurityScorecard researchers discovered a botnet of over 130,000 devices that is conducting password-spray attacks against Microsoft 365 (M365) accounts worldwide.

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The Consumer Authentication Strength Maturity Model (CASMM)

Daniel Miessler

Basically, how secure is someone’s current behavior with respect to passwords and authentication, and how can they improve? The idea here is for someone in the security community—or really any security-savvy user—to use this visual to help someone with poor password hygiene.

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CASMM (The Consumer Authentication Strength Maturity Model)

Daniel Miessler

Basically, how secure is someone’s current behavior with respect to passwords and authentication, and what can they do to improve? The idea here is for someone in the security community—or really any security-savvy user—to use this visual to help someone with poor password hygiene.

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The Hidden Cost of Ransomware: Wholesale Password Theft

Krebs on Security

Organizations in the throes of cleaning up after a ransomware outbreak typically will change passwords for all user accounts that have access to any email systems, servers and desktop workstations within their network. ” Security news site Bleeping Computer reported on the T-Systems Ryuk ransomware attack on Dec. In our Dec.

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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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Internet Archive was breached twice in a month

Security Affairs

The Internet Archive was breached again, attackers hacked its Zendesk email support platform through stolen GitLab authentication tokens. Internet Archive Zendesk emails sent by the threat actor Source: BleepingComputer The message highlights a poor security posture by the Internet Archive.

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