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On Risk-Based Authentication

Schneier on Security

Interesting usability study: “ More Than Just Good Passwords? 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. Paper’s website.

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The Rise of One-Time Password Interception Bots

Krebs on Security

In February, KrebsOnSecurity wrote about a novel cybercrime service that helped attackers intercept the one-time passwords (OTPs) that many websites require as a second authentication factor in addition to passwords. An ad for the OTP interception service/bot “SMSRanger.”

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Hunting SMB Shares, Again! Charts, Graphs, Passwords & LLM Magic for PowerHuntShares 2.0

NetSpi Technical

For those interested in the previous PowerHuntShares release, here is the blog and presentation. Open cmd.exe and execute PowerShell or PowerShell ISE using the runas command so that network communication authenticates using a provided set of domain credentials. Let the pseudo-TLDR/release notes begin!

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LastPass: ‘Horse Gone Barn Bolted’ is Strong Password

Krebs on Security

The password manager service LastPass is now forcing some of its users to pick longer master passwords. But critics say the move is little more than a public relations stunt that will do nothing to help countless early adopters whose password vaults were exposed in a 2022 breach at LastPass.

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A Day in the Life of a Prolific Voice Phishing Crew

Krebs on Security

Lookout researchers discovered multiple voice phishing groups were using a new phishing kit that closely mimicked the single sign-on pages for Okta and other authentication providers. In the first step of the attack, they peppered the target’s Apple device with notifications from Apple by attempting to reset his password.

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A Breach, or Just a Forced Password Reset?

Krebs on Security

Software giant Citrix Systems recently forced a password reset for many users of its Sharefile content collaboration service, warning it would be doing this on a regular basis in response to password-guessing attacks that target people who re-use passwords across multiple Web sites. periodically).

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Real-Time Attacks Against Two-Factor Authentication

Schneier on Security

Attackers are targeting two-factor authentication systems: Attackers working on behalf of the Iranian government collected detailed information on targets and used that knowledge to write spear-phishing emails that were tailored to the targets' level of operational security, researchers with security firm Certfa Lab said in a blog post.