Keeper

Keeper stores, generates and autofills your passwords with a business-grade security posture: certified zero-knowledge vaults, secure file storage, granular sharing controls and optional BreachWatch dark-web monitoring. Its strength is formal, certified rigour rather than flash — which is why it's a favourite with people who want compliance-grade security on a personal account.

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No — there's been no breach of Keeper customer vaults, ever. In 2017 a researcher flagged a browser-extension flaw, which Keeper patched within a day with no reported data loss. Its zero-knowledge architecture is certified under SOC 2 and ISO 27001 — an unusually formal compliance record for a consumer product.

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Keeper Unlimited starts at US$3.58/mo, with frequent 50%-off first-year promotions that make the initial term cheaper — bear in mind the price steps back up once that intro discount ends. The Family plan covers up to five separate vaults, and a 30-day trial lets you test it properly before paying. It's mid-priced for the category, with the business-grade certifications being the main thing you're paying for.

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Yes — very. Keeper uses zero-knowledge AES-256 encryption and holds SOC 2 Type II and ISO 27001 certifications, plus FedRAMP authorisation for US government use, backed by regular independent audits. Among the seven managers here it carries the most formal security certifications, which is exactly its selling point for security-conscious and business users.

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Only minimally. Keeper Free works on a single mobile device without sync — a taster rather than a real solution, since you can't use it properly across a phone and a computer. For a genuinely capable free tier, Bitwarden or Proton Pass are the better picks. Keeper's real case is its paid, certified, business-grade product, which starts at US$3.58/mo.

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Keeper is owned by Keeper Security, Inc., a private US company based in Chicago and founded in 2011 by Darren Guccione and Craig Lurey. It has taken a minority growth investment from Insight Partners, but there's no big-tech parent — the founders still run the company.

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