This lack of transparency should be a concern to security-conscious individuals and businesses trusting Keeper with sensitive data. However, Keeper has never adequately explained how its Breachwatch feature is capable of proactively checking for compromised passwords nor how the password manager supports master password and account recovery under a zero knowledge model. Genuine zero knowledge is an important factor when evaluating vault-based password managers because, if the provider´s servers are hacked or the provider has a malicious insider in its workforce, the data stored on the provider´s servers cannot be deciphered. However, these comparisons fail to mention that Keeper offers an extremely limited free service nor that many of its add-on premium services are provided as standard in Bitwarden´s premium and business plans.įurthermore, questions exist about the authenticity of Keeper´s claim it is a zero-knowledge solution. Some comparisons of Bitwarden versus Keeper arrive at the conclusion that Bitwarden is the best free password manager, while Keeper offers a better premium service.

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