Nist Password Guidelines 2025 Length Limit. Verifiers and csps shall require passwords to be a minimum of eight characters in length and should require passwords to be a minimum of 15 characters in length. Paradoxically, using complex passwords (adding.
Nist password guidelines recommends a minimum of 8 characters, passphrases up to 64 characters to enhance security and reduce cyberattack vulnerability. In september 2025, the national institute of standards and technology (nist) released updated guidance on password practices as part of the second public draft of its.