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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.

Passwords 122
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Bypassing Two-Factor Authentication

Schneier on Security

These techniques are not new, but they’re increasingly popular : …some forms of MFA are stronger than others, and recent events show that these weaker forms aren’t much of a hurdle for some hackers to clear.

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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).

Passwords 265
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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.

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Banks, Arbitrary Password Restrictions and Why They Don't Matter

Troy Hunt

Allow me to be controversial for a moment: arbitrary password restrictions on banks such as short max lengths and disallowed characters don't matter. Also, allow me to argue with myself for a moment: banks shouldn't have these restrictions in place anyway. 6 characters. for my *online banking*.

Banking 273
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New iPhone Security Features to Protect Stolen Devices

Schneier on Security

No passcode fallback is available in the event that the user is unable to complete Face ID or Touch ID authentication. No passcode fallback is available in the event that the user is unable to complete Face ID or Touch ID authentication.

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NetSPI Wins First Place at SHARE Mainframe Capture the Flag Event

NetSpi Executives

Last week, NetSPIs Mainframe Pentesting Team won first place in the inaugural SHARE Capture the Flag (CTF) event sponsored by Broadcom! In a first for SHARE, the cybersecurity track introduced a Capture the Flag event, hosted and organized by Broadcom. And we look forward to the next SHARE Capture the Flag event.