Password managers are therefore extremely helpful, allowing users to access all their passwords with just a single master password. Most password managers are cloud based. Security is the most important feature of these password managers since, ultimately, users store sensitive data in these encrypted storage platforms, commonly called “vaults”. As he began to analyse how the various password managers were coded, he quickly came across some very strange code architecture. “The providers of password managers should not make false promises to their customers about security but instead communicate more clearly and precisely what security guarantees their solutions actually offer.”