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In this episode of the Security Swarm Podcast, host Andy Syrewicze and guest Michael Posey discuss the new password guidelines and recommendations released by NIST (National Institute of Standards and Technology). They cover a range of topics related to password security, including the importance of password length over complexity, the move away from composition rules and periodic password changes, the risks associated with knowledge-based authentication, the concept of password entropy, and more!
Throughout the conversation, Andy and Michael draw on their extensive experience in the cybersecurity field to offer practical advice and perspectives on the changing landscape of password security.
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Key Takeaways:
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NIST recommends a minimum password length of 8 characters, with a suggested length of 15 characters or more.
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NIST has recommended removal of the requirement for password composition rules, such as the need for special characters, numbers, and uppercase letters.
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NIST states that password providers SHALL NOT require periodic password changes unless there is evidence of a breach, as this can lead to users creating predictable password patterns.
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The use of ASCII and Unicode characters is now encouraged, allowing for more diverse and random password options.
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Password entropy (randomness) is more important than password complexity, as modern computing power can quickly crack simple but complex-looking passwords.
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For mission-critical systems, organizations may still choose to implement more rigorous password policies, even if they deviate from the NIST recommendations.
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The industry is exploring new hashing methods and technologies, such as passkeys, to address the challenges posed by GPU-based brute-force attacks.
Timestamps:
(07:40) Credential Service Provider (CSP) Requirements and Recommendations
(10:02) Removing Password Composition Rules
(14:21) Ending Periodic Password Changes
(19:48) The Importance of Password Entropy and Length
(28:30) Phasing Out Knowledge-Based Authentication
(30:30) The Impact of Password Length on Cracking Time
Episode Resources:
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